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❌ Concentration Curl Mistakes You NEED to Fix

Mistake #1: Curling your wrist
This puts unnecessary stress on your forearms instead of targeting your biceps.
✅ Fix: Keep your wrist neutral and locked in position.

Mistake #2: Leaning back
When your upper arm tilts diagonally, tension shifts off the biceps.
✅ Fix: Stay upright and keep your upper arm vertical throughout the rep.

Mistake #3: Cutting the range short
Not fully extending your arm at the bottom skips the stretch — a key driver of muscle growth.
✅ Fix: Let your arm straighten completely for a full stretch.

Mistake #4: Shrugging your shoulder
This brings your traps into the movement and reduces bicep activation.
✅ Fix: Keep your shoulder down the entire time.

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【転載元】❌ Concentration Curl Mistakes You Need To FIX

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