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Title: Study on muscle fatigue of rifle shooters using surface electromyogram
Authors: Tan, Janice Shih Jia.
Keywords: DRNTU::Engineering::Bioengineering
DRNTU::Science::Biological sciences::Human anatomy and physiology
Issue Date: 2011
Abstract: Successful shooting has often been closely associated with accuracy and minimum transient movement in the body. Postural stability has been singled out as one of the most important determinants of successful rifle shooting. The basic demand of a rifle shooter is prolonged standing with maintenance of posture and studies have demonstrated electrical signs of fatigue in muscles on prolonged standing and its potential effects on postural control. The aims of the present study were: to investigate the electrical activities of the muscles on the lower limbs of rifle shooters in a typical shooting game; and to investigate the correlation between postural sway parameters and the electrical activities of the various muscles groups of the lower limbs. The study used an experimental design. Two elite athletes performed a series of 46 shots over one hour. Pressure mat and surface Electromyogram (sEMG) data were obtained simultaneously and consisted of measures of Centre of Pressure movements in Medio-lateral and Antero-posterior directions and myoelectric activity from the Tibialis Anterior (TA), Peroneus Longus (PE) and Gastrocnemius muscles (GA).
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Student Reports (FYP/IA/PA/PI)

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