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ISSN : 2092-8475(Print)
ISSN : 2714-0148(Online)
Journal of International Academy of Physical Therapy Research Vol.10 No.1 pp.1739-1745

Immediate Effects of Release Ball Massage and Self-stretching Exercise on Hamstring’s Temperature, Range of Motion and Strength in 20’s Women

Younghun Jeonga,Jihwan Parka,Jin Yu,Sunyeong Leea,Jihee Haa,Yeonki Choob,Taeyoung Oha
aSilla University, Busan, bGupo Sung Shim Hospital, Busan, Republic of Korea
Address for correspondence
Tae Young Oh, PT, Ph.D, Prof. Department of Physical Therapy, Silla University, 140, 700 Baegyang daero, Sassang gu, Busan, Korea Tel: 82-051-999-5282


Background: There have been many studies on self-myofascial release (SMR) stretching, but there are few comparative studies on the effects of massages using a release ball, which is a type of the SMR method.
Objective: To investigate the immediate effects of release ball massage and self- stretching on proprioceptive sensory, hamstring’s temperature, range of motion (ROM) muscle strength,.
Design: Crossover study.
Methods: Thirty women in 20’s at S University in Busan voluntarily participated in the study. Participants were random to release ball group (n=15) or selfstretching group (n=15). Both groups performed 3 sets of exercises, stretching for 30 seconds and resting for 15 seconds in each position. The proprioceptive sensory, temperature of the hamstring muscle, ROM, and strength were measured before exercise, 5 minutes after exercise, and 30 minutes after exercise.
Results: Release ball group showed significant differences in muscle length and temperature over time (p<.05). The comparison between two group over time showed significant differences in muscle length, temperature, and muscle strength (p<.05).
Conclusions: These results demonstrate that release ball massage and selfstretching are beneficial for improving hamstring's temperature, ROM and muscle strength.




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