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 ...

Based on weight, the Library of Congress reports that the strongest muscle in the body is ... term that is used to describe a group of tissues that structurally form a functioning, specialized unit of ...

# Quadriceps and Hamstrings: These muscles are pivotal in the extension and flexion of the leg. The quadriceps generate forward momentum by straightening the knee, while the hamstrings stabilize and ...