Tricep Extension Supine

The tricep extension exercise shown here strengthens the Triceps Brachii muscle. It is sometimes also known as a skull crusher or jaw breaker!

Teaching Points:

  • The starting position is lying on the back with the elbow bent and pointing to the celieing as shown.
  • The elbow is the straightened, listing the weight up above the head.
  • The weight is then carefully lowered back down to the shoulder.

Muscles Worked:

Alternative Exercises: