Jaw Breaker

Teaching points

• Lay on a bench on your back holding a dumbell in one hand
  
  
• Start with the arm straight and hand pointing to the ceiling with the palm facing your feet
  
  
• Support the lifting arm with the other hand around the upper arm
  
  
• Bend the elbow to lower the weight towards the opposite side of the jaw
  
  
• When the weight reaches an inch or two above the jaw, straighten the elbow back to the starting position

Variations & progressions

• Perform in a standing or sitting position, with the arm straight overhead
  
  
• Bend the elbow behind you so the elbow points to the ceiling (keep the upper arm still)

Muscles worked

• Triceps Brachii

Alternative exercises

• Tricep extension using a resistance band
  
  
• Overhead tricep extension using a resistance band
  
  
• Tricep dip
  
  
• Tricep kickback
  
  
• French press
  
  
• Jaw breaker

Related injuries

• Inflammation and rupture of the triceps tendon