Alternating Dumbbell Skull Crusher
Also known as: Alternate Lying Dumbbell Extension, Alternating Lying Triceps Extension, Alternating DB Skull Crusher, Alternate Dumbbell Skull Crusher, Alternating Dumbbell Lying Triceps Extension
Variation of: Dumbbell Skull Crusher
Body region
Equipment
Technique
- Lie back on a flat bench and press two dumbbells up until the arms are straight over the shoulders, palms in.
- Bend one elbow to lower that dumbbell beside the head while the other arm stays straight.
- Straighten the arm back up, then lower the other side.
- Keep alternating until both arms finish the set.
Cues
- Keep both upper arms pointing at the ceiling.
- Lower slowly; the weight passes close to your head.
Common mistakes
- Letting the straight arm drift while the other works.
- Flaring the elbows out.