How does a prosthetic work?

Because muscles generate small electrical signals when they contract, electrodes placed on the surface of the skin can measure muscle movements. ... When a prosthetic arm has several joints, such as a transhumeral, or above-elbow, prosthesis, each joint might need to be controlled by the same switch or muscle.

Explanation:

Hope this helps : )

well say a good goal is to do 150 sit ups in a week! or 90 pull ups a day. even 60 push ups in a month these are all fair goals!

there should be recorded video of the class under the assignments for the day