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One arm dumbbell extension

Hold the weight directly behind your head with your elbow pointing straight up.  Keep your upper arm stationary and extend your arm until it is straight over your head.

 

 

 

Home Exercise index - Chest - Shoulders - Rotator cuff - Back - Trapezius - Biceps - Triceps - Abdominals - Quadriceps - Hamstrings - Gluteals - Calves - Stretches - Cardiovascular - Foam Roll