The 20-Minute Workout
Six exercises scientifically proven to get you strong and fit―fast.
The Concentration Curl: Variations
1. Begin in the same position as for the basic Concentration Curl. Then turn your wrist in so your palm faces you. Lift for
two counts and lower for two. Repeat eight times.
2. Now rotate your wrist outward as far as you can, as shown; lift and lower eight times. Switch sides to complete all three
exercises with your left arm.
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