The biceps brachii muscle will contract, pulling the lower arm up.
This is, if on the shoulder, probably the deltoid.
A flexor muscle is when the arm bends and the extensor muscle is when the arm is relaxed.
bicep
ATP is the source of chemical energy used to power a muscle cell in your arm.
triceps
Bicep muscles on the front of the upper arm
when you relax your arm you are relaxing your triceps hope it helpsginger
deltoids
You can find me in the shoulder. I raise and rotate the arm. My name is Deltoid
The Deltoid Muscle
The biceps brachii muscle will contract, pulling the lower arm up.
The biceps brachii muscle will contract, pulling the lower arm up.
To raise your hand in class, by bending your arm at the elbow.
Biceps/triceps.
muscular system
Arm