Skull Crusher - 
Standing DB

Muscles Used: Triceps, Latissimus Dorsi, Forearms, Rectus Abdominis.

Modified Exercise:

Seated Skull Crusher

Advanced Exercise:

Tricep Kickback

Skull Crusher - 
Seated EZ Bar

Muscles Used: Triceps, Latissimus Dorsi, Forearms.

Modified Exercise:

Banded Skull Crusher

Advanced Exercise:

Diamond Push Up

Skull Crusher - 
Supine DB

Muscles Used: Triceps, Latissimus Dorsi, Forearms.

Modified Exercise:

Modified Dip

Advanced Exercise:

Standing Skull Crusher

Skull Crusher - 
Supine DB

Muscles Used: Triceps,

Latissimus Dorsi, Forearms.

Modified Exercise:

Cable Tricep Extension

Advanced Exercise:

Close Grip Bench