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Adduction

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Per Holmich – One of the best experts on this subject based on the ideXlab platform.

  • hip Adduction and abduction strength profiles in elite soccer players implications for clinical evaluation of hip adductor muscle recovery after injury
    American Journal of Sports Medicine, 2011
    Co-Authors: Kristian Thorborg, Andreas Serner, Jesper Petersen, Thomas Moller Madsen, Peter Magnusson, Per Holmich

    Abstract:

    Background: An ipsilateral hip Adduction/abduction strength ratio of more than 90%, and hip Adduction strength equal to that of the contralateral side have been suggested to clinically represent adequate strength recovery of hip Adduction strength in athletes after groin injury. However, to what extent side-to-side symmetry in isometric hip Adduction and abduction strength can be assumed in soccer players remains uncertain.Purpose: To compare isometric hip Adduction and abduction strength on the dominant and nondominant side in injury-free soccer players.Study Design: Cross-sectional study; Level of evidence, 3.Methods: One hundred elite soccer players were included. Maximal unilateral isometric hip Adduction and abduction strength on the dominant and nondominant side were measured with a handheld dynamometer, using a reliable test procedure.Results: The dominant side was stronger than the nondominant side for both isometric hip Adduction (2.45 ± 0.54 vs 2.37 ± 0.48 Nm/kg, P = .02) and hip abduction (2.35…

  • eccentric hip Adduction and abduction strength in elite soccer players and matched controls a cross sectional study
    British Journal of Sports Medicine, 2011
    Co-Authors: Kristian Thorborg, Jesper Petersen, Christian Couppe, S P Magnusson, Per Holmich

    Abstract:

    Background Eccentric hip Adduction and abduction strength plays an important role in the treatment and prevention of groin injuries in soccer players. Lower extremity strength deficits of less than 10% on the injured side, compared to the uninjured side, have been suggested as the clinical milestone before returning to sports following injury. Objective To examine whether a side-to-side eccentric hip Adduction or abduction strength symmetry can be assumed in non-injured soccer players and matched controls. Material and Methods Nine elite soccer players 19.4 (1.5) years and nine recreational athletes 19.5 (2.0) years matched for sex, height and weight were included. Eccentric hip Adduction and abduction strength of the dominant and non-dominant leg was tested for all the participants using an eccentric break test with a handheld dynamometer. Results The dominant leg was 14% stronger than the non-dominant leg for hip Adduction in the soccer players (p Conclusion Eccentric hip Adduction strength was greater in the dominant leg than in the non-dominant leg in soccer players, but not in matched controls. Eccentric hip abduction strength was greater in soccer players than matched controls, but soccer does not seem to induce a similar eccentric strength adaptation in the hip adductors.

Kristian Thorborg – One of the best experts on this subject based on the ideXlab platform.

  • hip Adduction and abduction strength profiles in elite soccer players implications for clinical evaluation of hip adductor muscle recovery after injury
    American Journal of Sports Medicine, 2011
    Co-Authors: Kristian Thorborg, Andreas Serner, Jesper Petersen, Thomas Moller Madsen, Peter Magnusson, Per Holmich

    Abstract:

    Background: An ipsilateral hip Adduction/abduction strength ratio of more than 90%, and hip Adduction strength equal to that of the contralateral side have been suggested to clinically represent adequate strength recovery of hip Adduction strength in athletes after groin injury. However, to what extent side-to-side symmetry in isometric hip Adduction and abduction strength can be assumed in soccer players remains uncertain.Purpose: To compare isometric hip Adduction and abduction strength on the dominant and nondominant side in injury-free soccer players.Study Design: Cross-sectional study; Level of evidence, 3.Methods: One hundred elite soccer players were included. Maximal unilateral isometric hip Adduction and abduction strength on the dominant and nondominant side were measured with a handheld dynamometer, using a reliable test procedure.Results: The dominant side was stronger than the nondominant side for both isometric hip Adduction (2.45 ± 0.54 vs 2.37 ± 0.48 Nm/kg, P = .02) and hip abduction (2.35…

  • eccentric hip Adduction and abduction strength in elite soccer players and matched controls a cross sectional study
    British Journal of Sports Medicine, 2011
    Co-Authors: Kristian Thorborg, Jesper Petersen, Christian Couppe, S P Magnusson, Per Holmich

    Abstract:

    Background Eccentric hip Adduction and abduction strength plays an important role in the treatment and prevention of groin injuries in soccer players. Lower extremity strength deficits of less than 10% on the injured side, compared to the uninjured side, have been suggested as the clinical milestone before returning to sports following injury. Objective To examine whether a side-to-side eccentric hip Adduction or abduction strength symmetry can be assumed in non-injured soccer players and matched controls. Material and Methods Nine elite soccer players 19.4 (1.5) years and nine recreational athletes 19.5 (2.0) years matched for sex, height and weight were included. Eccentric hip Adduction and abduction strength of the dominant and non-dominant leg was tested for all the participants using an eccentric break test with a handheld dynamometer. Results The dominant leg was 14% stronger than the non-dominant leg for hip Adduction in the soccer players (p Conclusion Eccentric hip Adduction strength was greater in the dominant leg than in the non-dominant leg in soccer players, but not in matched controls. Eccentric hip abduction strength was greater in soccer players than matched controls, but soccer does not seem to induce a similar eccentric strength adaptation in the hip adductors.

Giovanni Merolla – One of the best experts on this subject based on the ideXlab platform.

  • Glenohumeral and scapulohumeral kinematic analysis of patients with traumatic anterior instability wearing a shoulder brace: a prospective laboratory study
    MUSCULOSKELETAL SURGERY, 2017
    Co-Authors: F. Dellabiancia, I. Parel, M. V. Filippi, Giuseppe Porcellini, Giovanni Merolla

    Abstract:

    Purpose To assess the effectiveness of a novel glenohumeral joint immobilizer, the S2 Shoulder Stabilizer^®, by evaluating shoulder kinematics with a stereophotogrammetry system. Methods Participants in this prospective laboratory study were recruited from patients with anterior traumatic instability awaiting arthroscopic glenohumeral stabilization. Glenohumeral and scapulohumeral kinematic data (arm abduction–Adduction and internal–external rotation, and scapular pronation–retraction and mediolateral rotation) were collected twice, without and with the brace, using a VICON™ motion capture system, and processed with MATLAB^® software. Results The tests showed a significantly lower joint angle during abduction–Adduction ( p  = 0.0022) and external rotation ( p  = 0.0076) and a significantly lower ( p  = 0.0022) mediolateral scapular rotation angle in the limbs wearing the immobilizer. Humeral head translation during abduction–Adduction and internal–external rotation was also lower in the patients wearing the brace. Conclusions The immobilizer significantly limited joint excursion in all planes of movement except internal rotation. The narrower humeral head translation with respect to the trunk, measured in the tests with the brace, demonstrates that the immobilizer achieves the goal of preserving joint stability in the movements that are at risk of dislocation.

  • Glenohumeral and scapulohumeral kinematic analysis of patients with traumatic anterior instability wearing a shoulder brace: a prospective laboratory study.
    Musculoskeletal surgery, 2017
    Co-Authors: F. Dellabiancia, I. Parel, M. V. Filippi, Giuseppe Porcellini, Giovanni Merolla

    Abstract:

    To assess the effectiveness of a novel glenohumeral joint immobilizer, the S2 Shoulder Stabilizer®, by evaluating shoulder kinematics with a stereophotogrammetry system.
    Participants in this prospective laboratory study were recruited from patients with anterior traumatic instability awaiting arthroscopic glenohumeral stabilization. Glenohumeral and scapulohumeral kinematic data (arm abduction-Adduction and internal-external rotation, and scapular pronation-retraction and mediolateral rotation) were collected twice, without and with the brace, using a VICON™ motion capture system, and processed with MATLAB® software.
    The tests showed a significantly lower joint angle during abduction-Adduction (p = 0.0022) and external rotation (p = 0.0076) and a significantly lower (p = 0.0022) mediolateral scapular rotation angle in the limbs wearing the immobilizer. Humeral head translation during abduction-Adduction and internal-external rotation was also lower in the patients wearing the brace.
    The immobilizer significantly limited joint excursion in all planes of movement except internal rotation. The narrower humeral head translation with respect to the trunk, measured in the tests with the brace, demonstrates that the immobilizer achieves the goal of preserving joint stability in the movements that are at risk of dislocation.