How does the skeletal and muscular systems work together to raise and lower the forearm?

Answer 1

The biceps and triceps muscles work synergistically; the biceps muscles contracting concentrically and the triceps muscles contracting eccentrically when the forearm lifts, and it's the exact reverse when the forearm lowers.

Answer 2

Muscles work in pairs, one muscle contracts and pulls on the bones to which they are attached and cause the bone to move. The bone can not move back to its original state until another muscle pulls on it. In short: Muscles work together to produce movement by one contracting and another relaxing.

Answer 3

The skeletal system provides the structure and support for movement, while the muscular system contracts and relaxes to move the bones. When you raise your forearm, the muscles in your arm contract, pulling on the tendons connected to the bones, which causes the forearm to lift. When lowering the forearm, the muscles relax, allowing the forearm to move downwards due to the force of gravity.