advertisement

deltoid muscle

the deltoid muscle is the triangular muscle that covers the upper arm and shoulder joint. it moves the upper arm forward, backward, to the side, and away from the body.

this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use. learn how we develop our content.

advertisement

advertisement