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Muscle Activity Level
(EMG Results)

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Low

Medium

High

Overhand (Right) Right pectoralis major and latissimus dorsi; right & left erector spinae; left hamstrings, quadriceps and anterior tibialis; right quadriceps, anterior tibialis & gastrocnemius Right biceps, triceps, wrist flexors and wrist extensors Right deltoid and trapezius
Underhand (Right) Right triceps & wrist flexors; right & left erector spinae; left anterior tibialis; right hamstrings & gastrocnemius Right biceps, wrist extensors & pectoralis major Right deltoid & trapezius
Overhand (Left) left latissimus dorsi; right rectus abdominis & erector spinae; left hamstrings, quadriceps, anterior tibialis & gastrocnemius; right hamstrings & anterior tibialis Left triceps, wrist flexors, wrist extensors & pectoralis major Left biceps, deltoid & trapezius
Underhand (Left) left triceps, wrist flexors & latissimus dorsi; right & left erector spinae; left hamstrings, anterior tibialis & gastrocnemius; right hamstrings, anterior tibialis & gastrocnemius Left biceps, wrist extensors & pectoralis major Left deltoid & trapezius
Counter-Clockwise Right triceps, wrist flexors & latissimus dorsi; right & left erector spinae; right hamstrings, quadriceps & anterior tibialis; left triceps & latissimus dorsi; left hamstrings, quadriceps, anterior tibialis & gastrocnemius Right biceps, wrist extensors, pectoralis major & deltoid; left biceps, wrist flexors, wrist extensors & pectoralis major Right trapezius; left deltoid & trapezius
Clockwise Right triceps, wrist flexors & latissimus dorsi; right & left erector spinae; right hamstrings, quadriceps & anterior tibialis; left triceps, wrist flexors, pectoralis major & latissimus dorsi; left hamstring, quadriceps, anterior tibialis & gastrocnemius Right biceps, wrist extensors & pectoralis major; left biceps & wrist extensors Right deltoid & trapezius; left deltoid & trapezius

28 Muscle Groups Used
Electromyography (EMG)

 

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