Abduction occurs when you have arm ... A normal range of movement for shoulder adduction is 30 to 50 degrees depending on flexibility and body composition. If your chest or biceps are particularly ...

The difference between abduction and adduction comes down to direction: Abduction is movement away from your body’s midline.

The lateral deltoid allows you to perform shoulder abduction, i.e. taking the shoulder ... Data has shown that any vertical press in an incline from 30 degrees to 90 degrees activates the front ...