The concentration curl uses upper-arm support to limit unwanted movement. This variation uses a barbell.

Muscle group: Biceps

Steps

Sit on the end of a flat bench with feet on the floor and legs in a V. Hinge forward with your back straight. Take an underhand grip about 15 cm apart. Rest your elbows against your inner thighs just above your knees and curl the bar toward your chest. Slowly lower to the starting position near the floor.

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