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Scapular kinematics during manual wheelchair propulsion in able-bodied participants

Bekker, M. J., Vegter, R. J. K., van der Scheer, J. W., Hartog, J., de Groot, S., de Vries, W., Arnet, U., van der Woude, L. H. V. & Veeger, D. H. E. J., May-2018, In : Clinical Biomechanics. 54, p. 54-61 8 p.

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  • Scapular kinematics during manual wheelchair

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DOI

BACKGROUND: Altered scapular kinematics have been associated with shoulder pain and functional limitations. To understand kinematics in persons with spinal cord injury during manual handrim wheelchair propulsion, a description of normal scapular behaviour in able-bodied persons during this specific task is a prerequisite for accurate interpretation. The primary aim of this study is to describe scapular kinematics in able-bodied persons during manual wheelchair propulsion.

METHODS: Sixteen able-bodied, novice wheelchair users without shoulder complaints participated in the study. Kinematic and kinetic data were collected during a standardized pose in the anatomic posture, frontal-plane arm elevation and low-intensity steady-state handrim wheelchair propulsion and upper-body Euler angles were calculated.

FINDINGS: Scapulothoracic joint orientations in a static position were 36.7° (SD 5.4°), 6.4° (SD 9.1°) and 9.1° (SD 5.7°) for respectively protraction, lateral rotation and anterior tilt. At 80° of arm elevation in the frontal plane, the respective values of 33.4° (SD 8.0°), 23.9° (SD 5.4°) and 4.1° (SD 11.3°) were found. During the push phase of manual wheelchair propulsion, the mean scapular rotations were respectively 32.7° (SD 7.1°), 7.1° (SD 9.2°) and 9.8° (SD 8.3°).

INTERPRETATION: The orientation of the scapula in a static pose, during arm elevation and in manual wheelchair propulsion in able-bodied participants showed similar patterns to a previous study in persons with para- and tetraplegia. These values provide a reference for the investigation of the scapular movement pattern in wheelchair-dependent persons and its relation to shoulder complex abnormalities.

Original languageEnglish
Pages (from-to)54-61
Number of pages8
JournalClinical Biomechanics
Volume54
Early online date14-Mar-2018
Publication statusPublished - May-2018

    Keywords

  • Scapular kinematics, Biomechanics, Manual wheelchair propulsion, SPINAL-CORD-INJURY, SHOULDER PAIN, IN-VIVO, IMPINGEMENT SYNDROME, MOTION, DYSKINESIS, INDIVIDUALS, RELIABILITY, RANGE, USERS

ID: 55799750