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Exercise Ball Back Extension with Hands Behind Head

Lower back GlutesHamstrings Isolation Stability ball
Demo (loops)

Exercise info

Primary musclesLower back
Secondary musclesGlutes · Hamstrings
EquipmentStability ball
Movement patternHinge
Rep range12–20 reps
8 similar exercises

Representative exercise: Machine Back 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.