The triceps brachii muscle is a large muscle on the back of the upper limb of many vertebrates. It is the muscle mainly responsible for extension of the elbow joint. Source Wikipedia.
Triceps Bench Dips Instructions:
1. Place your hands on the bench.
2. Slightly bent your legs, resting on the heels.
3. Slowly lower your body until elbows form 90 degree angle.
4. Slowly return to the starting position.
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