biceps
Concentration curl
Peak the biceps.
▶ Watch the full demo in the app3-second preview. The full demo with coach cues is in the FirstGym app.
How to do it
- Sit, brace your elbow against your inner thigh.
- Curl the weight up, squeezing hard at the top.
- Lower slowly.
Beginner tips
- No swinging.
- Keep your elbow pinned.
- Full stretch at the bottom.
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