Abstract
ABSTRACT Introduction: A decrease in postural control and proprioception is a common result of lower limb amputation. However, postural control adaptation in Paralympic sitting volleyball players with lower limb amputation is not yet understood. Objective: The purpose of this cross-sectional controlled study was to investigate static and dynamic postural control in sitting volleyball players with unilateral transfemoral amputation. Methods: Sixteen subjects participated in the study, eight of whom were amputees with unilateral transfemoral amputation (amputee group: age: 33.5 ± 5.6 years, weight: 77.7 ± 5.3 kg, height: 179.4 ± 5.3 cm) and eight physically active non-amputees (control group age: 27.2 ± 8.4 years, weight: 82.7 ± 6.6 kg, height: 178.7 ± 6.1 cm). Static and dynamic postural control was evaluated using the Neurocom® Balance Master System platform (Modified Clinical Test of Sensory Interaction on Balance, Limits of Stability, Rhythmic Weight Shift, Sit-to-Stand, Walk Across, and Step and Quick Turn). Statistical analyses were performed with the Shapiro-Wilk test, Levene's test, and Student's t-test for paired samples (p <0.05). Results: The amputee group demonstrated impaired postural control in all tests when compared to the control group (p <.05) for all postural tests except for the rhythmic change and sit-to-stand tests (p >.05). Conclusion: Despite training in sitting volleyball, our results demonstrated that amputees have poorer postural control in both static and dynamic tasks when compared to physically active non-amputees. Level of Evidence II; Prognostic Studies—Investigating the Effect of a Patient Characteristic on Disease Outcome / Retrospectivef Study.
Highlights
A decrease in postural control and proprioception is a common result of lower limb amputation
The results showed that the amputee group during the static and dynamic tests, had worse performance when compared to the control group, except for the tests Rhythmic Weight Shift (RWS) and STS
The static postural test results are in line with some studies,[7,11] who evaluated the static postural control of lower limb amputees compared with able-bodied subjects, and showed that amputees had worse postural control
Summary
A decrease in postural control and proprioception is a common result of lower limb amputation. Postural control adaptation in Paralympic sitting volleyball players with lower limb amputation is not yet understood. Objective: The purpose of this cross-sectional controlled study was to investigate static and dynamic postural control in sitting volleyball players with unilateral transfemoral amputation. Results: The amputee group demonstrated impaired postural control in all tests when compared to the control group (p .05). Conclusion: Despite training in sitting volleyball, our results demonstrated that amputees have poorer postural control in both static and dynamic tasks when compared to physically active non-amputees. A decrease in postural control and proprioception is a common result of lower-limb amputations. Sitting volleyball players need good conditioning, muscle strength, coordination of the extremities, and good postural control to be competitive.[4,6] the mechanism of postural control adaptation in sitting volleyball amputees is unknown
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