If you already have an exercise mat and are ready to go, here’s how the routine is structured. Kirra Mitlo recommends ...

This 18-minute medicine ball workout from Amy Kiser Schemper of BodyFit By Amy is meant to target the arms, legs, and core. You'll go through moves like sumo squat to tricep extension, squat to ...

The Lying Triceps Extension helps to firm and strengthen the muscles on the back of the upper arm. Any movement that involves straightening the arm will involve the triceps, which consists of ...

The lying triceps extension is an exercise that strengthens and tones the back of the upper arm. Responsible for extension of the elbow joint, the triceps muscle allows the arms to straighten.

The move targets your triceps and can also help tone your arms and improve shoulder stability. The skull crusher, or lying tricep extension, isolates the triceps to build muscle in that area.

Summary Skull crushers — aka supine or lying triceps extensions — work your triceps as your elbow bends and straightens, while your shoulder muscles stabilize your shoulder joint.

Harley Pasternak is a celebrity trainer and nutrition expert who has worked with stars from Halle Berry and Lady Gaga to Robert Pattinson and Robert Downey Jr. He’s also a New York Times best ...

Return to starting position. Do 3-4 sets of 12 reps. 2) Extensions: This time you will be facing the ball from a kneeling position. Place your hands on the ball roughly shoulder width apart.

Swiss-Ball Dumbbell Lying Triceps Extension: Tank top weather is around the corner, which means it's time to wave goodbye to flabby arms. This move targets your triceps brachii to get rid of ...

This week’s workout is going to zone in on — you guessed it! — your arms and your abs, with many of the moves in this workout done using a stability ball (otherwise known as a physioball ...

The lying triceps extension is an exercise that strengthens and tones the back of the upper arm. Responsible for extension of the elbow joint, the triceps muscle allows the arms to straighten.