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Radivoje Radić - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50-70 years) and the side of the body from which the specimen had been taken. The working curve analysis of the specimens under tensile load of a maximum force of 30N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Abstract Introduction Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. Aims The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. Materials and methods The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50–70 years) and the side of the body from which the specimen had been taken. Results The working curve analysis of the specimens under tensile load of a maximum force of 30 N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). Conclusions The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovrić, Radivoje Radić
    Abstract:

    Abstract Aims The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. Materials and methods The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50–75 years) and the side of the body from which the sample was harvested. Results Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm 2 compared with 51.46 mm 2 , respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons ( p  = 0.09), cross-sections of quadruple tendons ( p  = 0.07) and Patellar Ligament samples ( p  = 0.01) because of different muscular build. Conclusions All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft.

Egon Biuk - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50-70 years) and the side of the body from which the specimen had been taken. The working curve analysis of the specimens under tensile load of a maximum force of 30N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovric, Radivoje Radic
    Abstract:

    The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50-75 years) and the side of the body from which the sample was harvested. Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm(2) compared with 51.46 mm(2), respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons (p=0.09), cross-sections of quadruple tendons (p=0.07) and Patellar Ligament samples (p=0.01) because of different muscular build. All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Abstract Introduction Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. Aims The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. Materials and methods The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50–70 years) and the side of the body from which the specimen had been taken. Results The working curve analysis of the specimens under tensile load of a maximum force of 30 N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). Conclusions The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovrić, Radivoje Radić
    Abstract:

    Abstract Aims The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. Materials and methods The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50–75 years) and the side of the body from which the sample was harvested. Results Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm 2 compared with 51.46 mm 2 , respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons ( p  = 0.09), cross-sections of quadruple tendons ( p  = 0.07) and Patellar Ligament samples ( p  = 0.01) because of different muscular build. Conclusions All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft.

Zoran Zelić - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50-70 years) and the side of the body from which the specimen had been taken. The working curve analysis of the specimens under tensile load of a maximum force of 30N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovric, Radivoje Radic
    Abstract:

    The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50-75 years) and the side of the body from which the sample was harvested. Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm(2) compared with 51.46 mm(2), respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons (p=0.09), cross-sections of quadruple tendons (p=0.07) and Patellar Ligament samples (p=0.01) because of different muscular build. All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Abstract Introduction Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. Aims The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. Materials and methods The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50–70 years) and the side of the body from which the specimen had been taken. Results The working curve analysis of the specimens under tensile load of a maximum force of 30 N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). Conclusions The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovrić, Radivoje Radić
    Abstract:

    Abstract Aims The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. Materials and methods The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50–75 years) and the side of the body from which the sample was harvested. Results Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm 2 compared with 51.46 mm 2 , respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons ( p  = 0.09), cross-sections of quadruple tendons ( p  = 0.07) and Patellar Ligament samples ( p  = 0.01) because of different muscular build. Conclusions All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft.

Dubravka Biuk - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50-70 years) and the side of the body from which the specimen had been taken. The working curve analysis of the specimens under tensile load of a maximum force of 30N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovric, Radivoje Radic
    Abstract:

    The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50-75 years) and the side of the body from which the sample was harvested. Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm(2) compared with 51.46 mm(2), respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons (p=0.09), cross-sections of quadruple tendons (p=0.07) and Patellar Ligament samples (p=0.01) because of different muscular build. All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Abstract Introduction Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. Aims The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. Materials and methods The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50–70 years) and the side of the body from which the specimen had been taken. Results The working curve analysis of the specimens under tensile load of a maximum force of 30 N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). Conclusions The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovrić, Radivoje Radić
    Abstract:

    Abstract Aims The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. Materials and methods The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50–75 years) and the side of the body from which the sample was harvested. Results Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm 2 compared with 51.46 mm 2 , respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons ( p  = 0.09), cross-sections of quadruple tendons ( p  = 0.07) and Patellar Ligament samples ( p  = 0.01) because of different muscular build. Conclusions All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft.

Saša Rapan - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50-70 years) and the side of the body from which the specimen had been taken. The working curve analysis of the specimens under tensile load of a maximum force of 30N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovric, Radivoje Radic
    Abstract:

    The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50-75 years) and the side of the body from which the sample was harvested. Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm(2) compared with 51.46 mm(2), respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons (p=0.09), cross-sections of quadruple tendons (p=0.07) and Patellar Ligament samples (p=0.01) because of different muscular build. All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft. Copyright © 2015 Elsevier Ltd. All rights reserved.

  • Analysis of biomechanical properties of Patellar Ligament graft and quadruple hamstring tendon graft
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Goran Ćurić, Dubravka Biuk, Radivoje Radić
    Abstract:

    Abstract Introduction Two types of transplant are commonly used in the surgical management of anterior cruciate Ligament lesions: the central part of the Patellar Ligament and quadruple tendons of the gracilis muscle and semitendinosus muscle. Aims The aim of this study was to determine the biomechanical characteristics of Patellar Ligament transplants and transplants of the quadruple tendons of the hamstring muscles under tensile force in the laboratory, and to compare the results in each group of samples. Materials and methods The study comprised 160 specimens: 40 specimens of gracilis muscle tendons, 40 of semitendinosus muscle tendons, 40 of quadruple tendons and 40 of the Patellar Ligament, approximately equally distributed according to sex, age (50–70 years) and the side of the body from which the specimen had been taken. Results The working curve analysis of the specimens under tensile load of a maximum force of 30 N showed the least elongation (0.31%) in the quadruple tendon, followed by the gracilis muscle tendon (1.48%) and Patellar Ligament tendon (3.91%). Conclusions The quadruple tendon specimen showed greater strength and higher elasticity compared with the Patellar Ligament specimen, which proved the starting hypothesis.

  • Histological analysis of cross-sectional area of quadruple hamstring tendons and Patellar Ligament samples in relation to age and gender.
    Injury, 2015
    Co-Authors: Egon Biuk, Zoran Zelić, Saša Rapan, Dubravka Biuk, Ivan Lovrić, Radivoje Radić
    Abstract:

    Abstract Aims The middle of the Patellar Ligament and the quadruple hamstring tendons (gracilis and semitendinosus) are two types of graft predominantly used in anterior cruciate Ligament (ACL) reconstruction. The aim of this study was to determine the morphometric characteristics of Patellar Ligament grafts and hamstring tendon grafts and to compare the results according to subject age and gender. Materials and methods The study was conducted on a total of 120 samples: 40 of gracilis tendon, 40 of semitendinosus tendon and 40 of Patellar Ligament, distributed equally according to gender, age (50–75 years) and the side of the body from which the sample was harvested. Results Morphometric and histological analyses showed that Patellar Ligament samples had less cross-sectional area than quadruple tendon samples (49.29 mm 2 compared with 51.46 mm 2 , respectively). Sexual dimorphism was noticed in distal cross-sections of gracilis tendons ( p  = 0.09), cross-sections of quadruple tendons ( p  = 0.07) and Patellar Ligament samples ( p  = 0.01) because of different muscular build. Conclusions All samples obtained from male subjects had larger cross-sectional areas compared with the samples taken from females. Furthermore, samples obtained from subjects aged 60 years or under had larger cross-sectional areas than samples obtained from subjects aged at least 61 years for all types of graft.