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KMID : 1195020230190010059
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Archives of Orthopedic and Sports Physical Therapy
2023 Volume.19 No. 1 p.59 ~ p.66
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The Effects of the Newly Devised Polking Exercise on Muscle Activation in the Upper and Lower Extremities and Plantar Pressure
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Lim Jong-Min
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Abstract
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Purpose: This study aimed to investigate the effects of Polking, a newly designed exercise for musclestrengthening, by observing the differences in muscle activation and plantar pressure between Polking andnormal walking.
Methods: A crossover study was conducted with 16 young adults, each performing normal walking and Polkingalong a 10-m path. Muscle activation by EMG of the eight upper and lower limb muscles and plantar pressurewere measured before and after exercise and compared between the two walking types.
Results: Except for the latissimus dorsi and tibialis anterior muscles, there was a significant increase (P < .01)in all muscles (i.e., anterior deltoid, biceps brachii, and triceps brachii for the upper extremity; gastrocnemius,vastus medialis, and adductor longus for the lower extremity). The average plantar pressure in g/cm² (P = .01)and delta CoF (P = .008) were higher during Polking than during normal walking.
Conclusion: This study examined the full-body effects of Polking as a combined aerobic and anaerobicexercise and as a potential gait training method, showing notable increases in muscle activity in the upperand lower extremities.
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KEYWORD
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Full-body exercise, Muscle activation, Plantar pressure, Polking
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