Exercises

Dumbbell Skull Crushers

Also known as Dumbbell Lying Triceps Extensions

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What It Is

A lying arm exercise for the back of your upper arms. It works them through a long stretch to build size and strength.

How to Do It

Lie on your back on a flat bench, holding the dumbbells over your chest with straight arms, palms facing in. Keep your upper arms still and bend your elbows to lower the dumbbells beside your forehead. Straighten your arms to bring them back over your chest.

Tips

Point your elbows at the ceiling, not out to the sides. Go light, since the weights pass near your head.

Skill Level

Intermediate. Free-weight lifts, single-leg balance under load, or near-bodyweight strength moves. Form matters.

Type

Strength. Builds muscle and strength with controlled, resisted movement.

Engagement

Bilateral. Each rep works both sides of the body at once.

Primary Muscles

Equipment

Dumbbell

Any one of these

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