Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...

Students could explore the difference between reflex and voluntary muscle movement and explain the relation of muscles to nervous control.

Involuntary cardiac and smooth muscles are responsible for contraction of the heart and movement of substances through hollow organ systems, respectively, and voluntary skeletal muscles are ...

Medically reviewed by Katrina Carter, DPTSkeletal muscles are voluntary muscles that can be consciously controlled, such as the muscles of your neck, arms, and legs. It makes up 30% to 40% of human ...

Skeletal muscle is attached to the skeleton by tendons, and maintains the position of bones and has a role in their movement through voluntary contraction.