Single Dumbbell Extensions
Rep Range
Hypertrophy/Strength : 8-12||Endurance/Hypertrophy : 12-16
Hints
Hold the dumbbell overhead with both hands, using a 'diamond grip'. Bend elbows, lowering behind the head, then extend back up. Keep elbows close and forward.
Common Mistakes
Only move the forearms; keep upper arms stationary.
Breathing
Inhale when lowering; exhale when extending. Repeat.
Muscle Focus
Primary Muscles
Triceps
Secondary Muscles
Forearm, Shoulders