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Per Magnus - One of the best experts on this subject based on the ideXlab platform.

  • musculoskeletal pain and overuse syndromes in adult acquired major upper limb amputees
    Archives of Physical Medicine and Rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    Abstract Ostlie K, Franklin RJ, Skjeldal OH, Skrondal A, Magnus P. Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees. Objectives (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Design Cross-sectional study: postal questionnaires and clinical examinations. Setting Norwegian ULA population. Clinical examinations performed at 3 clinics. Participants Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Interventions Not applicable. Main Outcome Measures Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Results Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64–3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51–6.36). The percentage difference for Arm pain was 24.8% (P Conclusions Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes.

  • Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees.
    Archives of physical medicine and rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Cross-sectional study: postal questionnaires and clinical examinations. Norwegian ULA population. Clinical examinations performed at 3 clinics. Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Not applicable. Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64-3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51-6.36). The percentage difference for Arm pain was 24.8% (P<.001). All pain was reported as bothersome. We found no difference in pain prevalence between Prosthesis wearers and nonwearers. Musculoskeletal overuse syndromes were found in 6.1% to 24.2% of ULAs, depending on diagnosis and case-definition criteria. Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes. Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

Anders Skrondal - One of the best experts on this subject based on the ideXlab platform.

  • musculoskeletal pain and overuse syndromes in adult acquired major upper limb amputees
    Archives of Physical Medicine and Rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    Abstract Ostlie K, Franklin RJ, Skjeldal OH, Skrondal A, Magnus P. Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees. Objectives (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Design Cross-sectional study: postal questionnaires and clinical examinations. Setting Norwegian ULA population. Clinical examinations performed at 3 clinics. Participants Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Interventions Not applicable. Main Outcome Measures Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Results Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64–3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51–6.36). The percentage difference for Arm pain was 24.8% (P Conclusions Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes.

  • Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees.
    Archives of physical medicine and rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Cross-sectional study: postal questionnaires and clinical examinations. Norwegian ULA population. Clinical examinations performed at 3 clinics. Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Not applicable. Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64-3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51-6.36). The percentage difference for Arm pain was 24.8% (P<.001). All pain was reported as bothersome. We found no difference in pain prevalence between Prosthesis wearers and nonwearers. Musculoskeletal overuse syndromes were found in 6.1% to 24.2% of ULAs, depending on diagnosis and case-definition criteria. Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes. Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

Kristin Ostlie - One of the best experts on this subject based on the ideXlab platform.

  • musculoskeletal pain and overuse syndromes in adult acquired major upper limb amputees
    Archives of Physical Medicine and Rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    Abstract Ostlie K, Franklin RJ, Skjeldal OH, Skrondal A, Magnus P. Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees. Objectives (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Design Cross-sectional study: postal questionnaires and clinical examinations. Setting Norwegian ULA population. Clinical examinations performed at 3 clinics. Participants Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Interventions Not applicable. Main Outcome Measures Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Results Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64–3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51–6.36). The percentage difference for Arm pain was 24.8% (P Conclusions Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes.

  • Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees.
    Archives of physical medicine and rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Cross-sectional study: postal questionnaires and clinical examinations. Norwegian ULA population. Clinical examinations performed at 3 clinics. Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Not applicable. Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64-3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51-6.36). The percentage difference for Arm pain was 24.8% (P<.001). All pain was reported as bothersome. We found no difference in pain prevalence between Prosthesis wearers and nonwearers. Musculoskeletal overuse syndromes were found in 6.1% to 24.2% of ULAs, depending on diagnosis and case-definition criteria. Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes. Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

Chris Manzie - One of the best experts on this subject based on the ideXlab platform.

  • on line synergy identification for personalized active Arm Prosthesis a feasibility study
    Advances in Computing and Communications, 2018
    Co-Authors: Riccardo Garciarosas, Ying Tan, Denny Oetomo, Chris Manzie
    Abstract:

    The number of degrees of freedom in prosthetic devices today is greater than the number of available electromyographic signals from the residual limb. This potentially causes complex and unintuitive interfaces, which in turn have been cited as a leading cause of prosthetic device abandonment. Synergistic Arm Prosthesis control allows for an intuitive way to provide additional information to command the motion of the Prosthesis by coordinating the motion relationship between the Prosthesis and the residual limb. There is a challenge in identifying effective synergies, especially as the motion of an amputee generally differs from the synergy of the typical ablebodied subjects, from person to person, and along the time of Prosthesis usage. In this paper, a framework for on-line data driven optimization is proposed to identify the optimal synergy setting for an individual performing a specific task, formulated as an optimization problem based on human motor control. This is done through the characterization of the task by a cost function and the parametrization of the synergy. The proposed framework is able to characterize and identify the synergy of the task of reaching for a given location, with a healthy subject in the loop. The framework is used to drive the motion of an elbow Prosthesis using its synergy with the residual shoulder movement of the human subject as input. A simple parametrization for the synergy is used in this paper to demonstrate the idea of the proposed framework. Human-in-the-loop simulation results are presented, showing the feasibility of data driven optimization for on-line synergy identification in the context of an Arm Prosthesis.

  • ACC - On-line Synergy Identification for Personalized Active Arm Prosthesis: a Feasibility Study
    2018 Annual American Control Conference (ACC), 2018
    Co-Authors: Riccardo Garcia-rosas, Ying Tan, Denny Oetomo, Chris Manzie
    Abstract:

    The number of degrees of freedom in prosthetic devices today is greater than the number of available electromyographic signals from the residual limb. This potentially causes complex and unintuitive interfaces, which in turn have been cited as a leading cause of prosthetic device abandonment. Synergistic Arm Prosthesis control allows for an intuitive way to provide additional information to command the motion of the Prosthesis by coordinating the motion relationship between the Prosthesis and the residual limb. There is a challenge in identifying effective synergies, especially as the motion of an amputee generally differs from the synergy of the typical ablebodied subjects, from person to person, and along the time of Prosthesis usage. In this paper, a framework for on-line data driven optimization is proposed to identify the optimal synergy setting for an individual performing a specific task, formulated as an optimization problem based on human motor control. This is done through the characterization of the task by a cost function and the parametrization of the synergy. The proposed framework is able to characterize and identify the synergy of the task of reaching for a given location, with a healthy subject in the loop. The framework is used to drive the motion of an elbow Prosthesis using its synergy with the residual shoulder movement of the human subject as input. A simple parametrization for the synergy is used in this paper to demonstrate the idea of the proposed framework. Human-in-the-loop simulation results are presented, showing the feasibility of data driven optimization for on-line synergy identification in the context of an Arm Prosthesis.

Ola H Skjeldal - One of the best experts on this subject based on the ideXlab platform.

  • musculoskeletal pain and overuse syndromes in adult acquired major upper limb amputees
    Archives of Physical Medicine and Rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    Abstract Ostlie K, Franklin RJ, Skjeldal OH, Skrondal A, Magnus P. Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees. Objectives (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Design Cross-sectional study: postal questionnaires and clinical examinations. Setting Norwegian ULA population. Clinical examinations performed at 3 clinics. Participants Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Interventions Not applicable. Main Outcome Measures Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Results Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64–3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51–6.36). The percentage difference for Arm pain was 24.8% (P Conclusions Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes.

  • Musculoskeletal pain and overuse syndromes in adult acquired major upper-limb amputees.
    Archives of physical medicine and rehabilitation, 2011
    Co-Authors: Kristin Ostlie, Rosemary Joy Franklin, Ola H Skjeldal, Anders Skrondal, Per Magnus
    Abstract:

    (1) To compare the prevalence of self-reported musculoskeletal pain in upper-limb amputees (ULAs) in Norway with that of a control group drawn from the Norwegian general population; (2) to describe musculoskeletal pain bothersomeness in ULAs; (3) to estimate the association between Prosthesis wear and self-reported musculoskeletal pain in ULAs; and (4) to describe the occurrence of musculoskeletal overuse syndromes in a sample of ULAs. Cross-sectional study: postal questionnaires and clinical examinations. Norwegian ULA population. Clinical examinations performed at 3 clinics. Questionnaires: population-based amputee sample (n=224; 57.4% response rate). Random control sample (n=318; 33.1% response rate). Clinical examinations: combined referred sample and convenience sample (n=70; 83.3% of those invited). Survey inclusion criteria: adult, resident in Norway and mastering Norwegian (amputees and controls), acquired major upper-limb amputation (amputees only). Not applicable. Self-reported musculoskeletal pain and pain bothersomeness. Self-reported pain in Prosthesis wearers and nonwearers. Clinically assessed diagnoses of musculoskeletal overuse syndromes. Self-reported musculoskeletal pain was more frequent in ULAs than in the control group except for lower back pain. In ULAs, 57.0% reported neck/upper back pain (odds ratio [OR]=2.56; 95% confidence interval [CI], 1.64-3.98), and 58.9% reported shoulder pain (OR=4.00; 95% CI, 2.51-6.36). The percentage difference for Arm pain was 24.8% (P<.001). All pain was reported as bothersome. We found no difference in pain prevalence between Prosthesis wearers and nonwearers. Musculoskeletal overuse syndromes were found in 6.1% to 24.2% of ULAs, depending on diagnosis and case-definition criteria. Upper-limb loss increases the risk of self-reported musculoskeletal pain in the neck/upper back, shoulders, and in the remaining Arm. Prosthesis wear does not prevent musculoskeletal pain. Further studies should be conducted to investigate the effects of Prosthesis wear and possible preventive measures, and to ascertain our preliminary prevalence estimates of overuse syndromes. Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.