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오동희,강건,박상현,권진솔,강현주 순천향대학교 기초과학연구소 2016 순천향자연과학연구 논문집 Vol.22 No.2
The purpose of this study was to determine the effects of watching different mood videos on muscle strength and postural balance. A total of 10 participants (age = 20.9 ± 1.9 yrs; height = 175.1 ± 5.2 cm; mass = 68.7 ± 8.9 kg; BMI = 22.73 ± 2.63 kg/m2)wererecruitedforthestudy. We measured isokinetic peak torque (PT) and total work (TW) at 60˚/sec during knee flexion and extension. Postural balance was measured by timing a single-legged stance; time was marked when the participant put the second leg down to regain balance. A Human Norm (Stoughton, MA, USA) isokinetic dynamometer and Tekscan Balance Pad (South Boston, MA, USA) were used during testing. Participants were tested under 4 different conditions: 1) no video; 2) rage-video; 3) sad-video; 4) delight-video. Results of this study revealed that participants generated greater PT, TW and postural balance when viewing the delight-video than when viewing other types of video and no video. In conclusion, watching a delight-video may improve sensorimotor responses compared to the other conditions during isokinetic muscle strength and postural balance measurements.