You'll be surprised how your triceps will burn after doing these skull crushers.
- Grab a set of dumbbells, and start by lying on your back with your knees bent.
- With one dumbbell in each hand, raise your arms so they are above your chest, making sure your elbows are straight but not locked.
- Slowly lower both arms toward your head, bending your elbows to 90 degrees as the dumbbells reach the mat. Aim to lower your dumbbells so they are on either side of your head, elbows bent and pressing in toward your head.
- Lift your arms back to starting position. This is one rep.
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