Biological Sex-Related Differences in Glenohumeral Dynamics Variability during Pediatric Manual Wheelchair Propulsion.
Biological Sex-Related Differences in Glenohumeral Dynamics Variability during Pediatric Manual Wheelchair Propulsion.
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DOI：
10.1109/embc46164.2021.9630865
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发表时间：
2021-11
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肩部疼痛和病理在患有脊髓损伤 (SCI) 的成人手动轮椅使用者中极为常见。在这个人群中，生物性别和肩关节动力学的变异性已被证明是肩部疼痛和病理的重要因素。然而，对于患有 SCI 的儿科手动轮椅使用者的关节动力学变异性与生物性别相关的差异知之甚少。本研究的目的是评估生物性别对 SCI 儿科手动轮椅使用者三维 (3-D) 盂肱关节动力学变异的影响。使用逆动力学模型计算 20 名儿科手动轮椅使用者的 3D 盂肱关节角度、力和力矩。 Levene 的测试用于评估生物性别相关的变异性差异。与男性相比，女性的盂肱关节运动学和力的变异性较小，但关节力矩的变异性较大。考虑生物性别和变异性的盂肱关节动力学评估加强了我们对儿科手动轮椅使用者肩部功能、疼痛和病理之间关系的解释。
Shoulder pain and pathology are extremely common in adult manual wheelchair users with spinal cord injury (SCI). Within this population, biological sex and variability in shoulder joint dynamics have been shown to be important contributors to both shoulder pain and pathology. However, little is known about biological sex-related differences in joint dynamics variability in pediatric manual wheelchair users with SCI. The purpose of this study was to assess the influence of biological sex on variability in three-dimensional (3-D) glenohumeral joint dynamics in pediatric manual wheelchair users with SCI. An inverse dynamics model was used to compute 3-D glenohumeral joint angles, forces, and moments of 20 pediatric manual wheelchair users. Levene’s tests were used to assess biological sex-related differences in variability. Females exhibited less variability in glenohumeral joint kinematics and forces, but greater variability in joint moments than males. Evaluation of glenohumeral joint dynamics with consideration for biological sex and variability strengthens our interpretation of the relationships among shoulder function, pain, and pathology in pediatric manual wheelchair users.