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Effects of self-ankle stretching using a strap on the ankle dorsiflexion range of motion

Other Titles
 스트랩을 이용한 자가 발목 스트레칭이 발목 들기 각도에 미치는 영향 
Authors
 전인철 
Issue Date
2014
Description
Dept. of Physical Therapy/석사
Abstract
Normal range of motion (ROM) of ankle dorsiflexion plays as important role in postural control and functional activities such as lunging and gait. The purpose of this study was to compare the effects of three different types of stretching techniques: static stretching, self–ankle stretching using a strap (SASS), and SASS plus active dorsiflexion (Active SASS) on ankle dorsiflexion ROM (DFROM), and the strength of the tibialis anterior.Forty–eight volunteer subjects with limited (<20°) active dorsifexion in a sitting position (18 females, 30 males) were recruited for this study. The subjects were allocated randomly to three groups (static stretching, SASS, Active SASS). Static stretching was performed while standing with knee flexion on an incline board (10°). SASS was performed while lunging, and the subjects lunged with a strap to stabilize the talus. Active SASS consisted of active dorsiflexion and SASS. Stretching exercises were performed for three weeks. A universal goniometer was used to measure active DFROM (ADFROM). Photographic analysis was used to measure passive DFROM (PDFROM). PDFROM was measured in 111 N pressures using a handheld dynamometer (HHD) in a prone knee flexion position. An inclinometer was used to measure the lunge angle. The HHD was used to measure the strength of the tibialis anterior. All of the dependent variables were measured three times and averaged. One–way analysis of variance was employed to compare the differences between pre– and post– values among three different stretching interventions (static stretching/SASS/Active SASS) on ADFROM, PDFROM, the lunge angle, and the strength of the tibialis anterior. The level of significance was set at a = 0.05.The findings of this study showed that the ADFROM and PDFROM were significantly increased in all stretching groups after three–week interventions. However, the ADFROM, PDFROM, and the lunge angle were more increased in SASS and Active SASS groups than the static stretching group. There were no significant differences in DFROM data between SASS and Active SASS groups (p>0.05). The strength of the tibialis anterior was significantly increased in Active SASS.In conclusion, SASS and Active SASS can be recommended for improving DFROM, and Active SASS can be applied to improve both ankle DFROM and the strength of the tibialis anterior in individuals with limited DFROM
Files in This Item:
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Appears in Collections:
7. Others (기타) > Others (기타) > 5. Others
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/136663
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