- With dummbell in hand, arm bent, and palm facing shoulder,
place back of arm on pad.
- Lower dumbbell until arm is fully extended. Raise dumbbell
until forearm is vertical. Repeat. Continue with opposite arm.
- Body should be positioned to allow arm pit to rest near top
of pad. Back of upper arm should remaining on pad throughout
movement. Long head (lateral head) of biceps brachii is activated
significantly more than short head (medial head) of biceps brachii
since short head enters into active
insufficiency as it continues to contract.