Barnett, C., Vanicek, N. and Polman, R. C.J., 2014. Longitudinal kinematic and kinetic adaptations to obstacle crossing in recent lower limb amputees. Prosthetics and Orthotics International, 38 (6), 437 - 446 .
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Abstract
Background: Obstacle crossing is an important activity of daily living, necessary to avoid tripping or falling, although it is not fully understood how transtibial amputees adapt to performing this activity of daily living following discharge from rehabilitation. Objectives: The objective of this study was to investigate the longitudinal adaptations in obstacle crossing in transtibial amputees post-discharge from rehabilitation. Study design: Longitudinal repeated measures. Methods: Seven unilateral transtibial amputees crossed an obstacle 0.1m high positioned along a walkway while kinematic and kinetic data were recorded at 1, 3 and 6 months post-discharge. Results: At 6 months post-discharge, walking velocity had increased (0.17 m.s−1) with most participants self-selecting an intact lead limb preference. During swing phase, peak knee flexion (p = 0.03) and peak knee power absorption (K4; p = 0.01) were greater with an intact versus affected lead limb preference. Having crossed the obstacle, intact limb peak ankle power generation in pre-swing (A2; p = 0.01) and knee power absorption (K3; p = 0.05) during stance phase were greater when compared to the affected limb. Conclusions: Obstacle crossing improved, although a greater reliance on intact limb function was highlighted. Results sug- gested that further improvements to locomotor performance may be obtained by increasing affected limb knee range of motion and concentric and eccentric strength of the knee extensors and flexors.
Item Type: | Article |
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ISSN: | 0309-3646 |
Uncontrolled Keywords: | Obstacle crossing, adaptation, transtibial, amputee, rehabilitation |
Group: | Faculty of Science & Technology |
ID Code: | 22297 |
Deposited By: | Symplectic RT2 |
Deposited On: | 28 Jul 2015 15:17 |
Last Modified: | 14 Mar 2022 13:52 |
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