Upright dumbbell arm curl - Illustrated tutorial on upright dumbbell arm curl
Action method: Stand with a dumbbell in hand, keep your back straight, lift it up, bend your elbow joint, and lift the dumbbell to your chest. On the same track, lower the dumbbells back to the original state and repeat the above actions
Stand holding dumbbells and keep your back straight
UpLift, pay attention to bend the elbow joint
Raise the dumbbells to your chest.
On the same track, restore the lowered dumbbell
Return to the initial state and repeat the above actions
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Extended reading:
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