The muscular system is defined as an organ system of cardiac muscles and skeletal smooth muscles. The muscular system allows the body to maintain posture, move, and it circulates the blood through the body.
The muscle system and the skeleton system are the main body systems that allow the human body to move. When muscles contract and expand it moves the bones, ligaments, and cartilage hence making you move. For more information you can google muscles and skeleton.
Your skeletal system provides support for your body, makes blood cells, allows you to move, and protects your organs. The skull protects your brain, and your ribs protect your lungs
The Feldenkrais method is an educational system that allows the body to move and function more efficiently and comfortably. Its goal is to re-educate the nervous system and improve motor ability.