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Article

Effects of Different Ankle Supports on the Single-Leg Lateral Drop Landing Following Muscle Fatigue in Athletes with Functional Ankle Instability

1
Department of Physical Therapy, Tzu Hui Institute of Technology, Pingtung 926001, Taiwan
2
Department of Product Design, College of Design, Tainan University of Technology, Tainan 71002, Taiwan
3
Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
4
Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(10), 3438; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17103438
Received: 7 April 2020 / Revised: 30 April 2020 / Accepted: 9 May 2020 / Published: 14 May 2020
(This article belongs to the Special Issue Physical Rehabilitation and Sports Medicine of Human Movement)
Background: Ankle support has been utilized for athletes with functional ankle instability (FAI), however, its effect on the landing performance during muscle fatigue is not well understood. This study aimed to examine the effects of ankle supports (ankle brace vs. Kinesio tape) on athletes with FAI following fatigued single-leg landing. Methods: Thirty-three young FAI athletes (CAIT scores < 24) were randomly allocated to control (Cn), ankle brace (AB) and Kinesio tape (KT) groups. All athletes performed single-leg lateral drop landings following ankle fatigue protocol. The fatigue-induced changes in kinetic parameters were measured among three groups. Results: A significant increase in peak vertical ground reaction force (vGRF) was found in the AB group (0.12% body weight (BW)) compared to that of the KT (0.02% BW) and Cn (median = 0.01% BW) groups. Significant decrease in both COP medial-lateral (ML) and anterior-posterior (AP) ranges were also found in the KT group (median = −0.15% foot width (FW) & median = −0.28% foot length (FL)) than those of the Cn group (median = 0.67% FW& median = 0.88% FL). Conclusions: Ankle braces might hamper the ability to absorb the impact force during landing. On the other hand, Kinesio tape might be beneficial for the postural control during landing. View Full-Text
Keywords: ankle instability; taping; fatigue; ground reaction force; single-leg landing ankle instability; taping; fatigue; ground reaction force; single-leg landing
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MDPI and ACS Style

Lin, C.-C.; Chen, S.-J.; Lee, W.-C.; Lin, C.-F. Effects of Different Ankle Supports on the Single-Leg Lateral Drop Landing Following Muscle Fatigue in Athletes with Functional Ankle Instability. Int. J. Environ. Res. Public Health 2020, 17, 3438. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17103438

AMA Style

Lin C-C, Chen S-J, Lee W-C, Lin C-F. Effects of Different Ankle Supports on the Single-Leg Lateral Drop Landing Following Muscle Fatigue in Athletes with Functional Ankle Instability. International Journal of Environmental Research and Public Health. 2020; 17(10):3438. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17103438

Chicago/Turabian Style

Lin, Cheng-Chieh, Shing-Jye Chen, Wan-Chin Lee, and Cheng-Feng Lin. 2020. "Effects of Different Ankle Supports on the Single-Leg Lateral Drop Landing Following Muscle Fatigue in Athletes with Functional Ankle Instability" International Journal of Environmental Research and Public Health 17, no. 10: 3438. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17103438

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