The two main muscles of the arm are known as the bicep and triceps. When the lower arm is raised from resting position, the bicep contracts and feel hard.
the biceps
The biceps brachii muscle will contract, pulling the lower arm up.
The posterior deltoid is one extensor of the upper arm.
Tricepts
The biceps brachii muscle will contract, pulling the lower arm up.
The Triceps muscle
They are in your upper armNo. It's in your lower arm.
in what situation might it be better to position the electrodes on the upper arms and thighs rather than lower on the arms and legs
in what situation might it be better to position the electrodes on the upper arms and thighs rather than lower on the arms and legs
Rotator cuff or shoulder muscle injury.
You would for sure on the lower arm to keep the arm raised to minimize swelling and pain. It will have no affect for the upper arm (above the elbow).
Bicep (top of your arm)· biceps brachii
You can find me in the shoulder. I raise and rotate the arm. My name is Deltoid