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Sitting Knee Extension on a Stability Ball

Quads Isolation Stability ball
Demo (loops)

Exercise info

Primary musclesQuads
EquipmentStability ball
Movement patternIsolation
Rep range12–20 reps
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Representative exercise: Leg Extension

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This information is based on our analysis of public content from evidence-based training experts in Korea and abroad. It is not a substitute for medical advice. Weights and sets differ from person to person. The GYMKC app uses the sets you log to calculate the weight and reps for your next set.