With dumbbells each arm has to work independently.
Dumbbell skull crushers floor.
You ll sacrifice the amount of weight you can use because dumbbells are harder to control but that s not necessarily a bad thing.
Lie down on your back on the floor with your arms.
The floor lying dumbbell tricep extension is a great exercise that targets the triceps.
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Laying flat on your back bring the dumb bells up over chest.
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Hold a dumbbell in each hand with palms facing together.
You re also able to perform these with different grips which affects how the triceps are recruited.
Skull crushers aka lying triceps extensions are a move traditionally performed lying down on a bench or exercise mat with a pair of dumbbells or an ez curl bar just one of many barbells at the gym you hold the weight over your face hence the name skull crusher with elbows pointing up then use your triceps the muscles on the back of your upper arm to straighten your elbow and pull.
Lying skull crusher form.
To perform the standard version grab a pair of dumbbells and lie face up on a bench with your feet flat on the floor.