动作要领
Sit on a bench with back support, narrow grip on the bar overhead. Keep upper arms fixed, slowly bend elbows to lower bar behind the head until triceps stretch, then extend back to the start.
动作要领
Sit on a bench with back support, narrow grip on the bar overhead. Keep upper arms fixed, slowly bend elbows to lower bar behind the head until triceps stretch, then extend back to the start.
小贴士
1. Tight core; don’t over-arch the back.
2. Upper arms close to ears; don’t flare out.
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