Journal
PHYSICAL THERAPY IN SPORT
Volume 23, Issue -, Pages 58-66Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ptsp.2016.07.005
Keywords
Landing mechanics; Athletic groin injury; Australian football; Biomechanics
Categories
Funding
- Australian Centre for Research into Sports Injury and its Prevention
- International Olympic Committee (IOC)
- NHMRC [1058493]
- National Health and Medical Research Council of Australia [1058493] Funding Source: NHMRC
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Objectives: This study aimed to explore the differences in the magnitude of movement variability and strategies utilized during an unanticipated cut task between players with and without a history of groin pain. Design: Cross-sectional design. Setting: Biomechanics laboratory. Particiants: Male Australian football players with (HISTORY; n = 7) or without (CONTROL; n = 10) a history of groin pain. Outcome measures: Three-dimensional ground reaction forces (GRF) and kinematics were recorded during 10 successful trials of an unanticipated cut task, and isolcinetic hip adduction and abduction strength. Between-group differences were determined using independent-samples t-tests and the coefficient of variation (CV). Results: Key substantial between-group differences identified were that the HISTORY group displayed decreased knee flexion and hip internal rotation, increased knee internal rotation and T12-L1 right rotation, and higher GRFs during the cut task. They also utilized three invariant systems (ankle, knee and T12-L1 joints), while being connected by a segment (hip and L5-S1 joints) that displayed increased lumbopelvic movement during the cut task, and decreased adductor muscle strength. Conclusion: This identifies the need for clinical management of the lower limb and thoracic segment to improve functional movement patterns in athletes with a history of a groin injury. (C) 2016 Elsevier Ltd. All rights reserved.
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