Prime Mover Anatomy

Pectoralis minor trapezius upper fibres. These muscles do not act alone.

Psoas Major Function Hip Joint Actions Sagittal Plane

Compare antagonist fixation muscle synergist.

Prime mover anatomy. Muscles that are prime movers pectoralis major. A muscle that provides the major force for producing a specific movement. Trapezius middle fibres serratus anterior.

The fixator muscles assist the movement of the other three groups by holding the bones associated with the muscle groups. They act simultaneously with other muscles recruited to perform the. You are able to move your shoulder joints thanks to the deltoid muscles in each of them.

A prime mover is the muscle that has the most influence in one direction on the joint it acts on. The latissimus dorsi covers the broad area that makes up your. Most movements of the body require the combined action of numerous muscles.

The antagonistic muscles are the muscles that oppose the primer mover by slowing it down. Hip flexion keeps the upper body from falling backwards when standing erect. Muscles retracting the pectoral should muscles protracting the pectoral shoul muscles elevating the pectoral shoulde muscles depressing the pectoral should rhomboid minor.

An antagonist muscle is in opposition to a prime mover in that it provides some resistance andor reverses a given movement. Prime movers anatomy lab 232. The prime mover sometimes called the agonist is the muscle that provides the primary force driving the action.

Prime mover muscles are the muscles that initiate the source of movement during physical action. You are likely to know the pectoralis major as simply pectorals. Prime movers are the agonist muscles and they are assisted by the synergistic muscles.

It is still the agonist because while resisting gravity during relaxing the triceps brachii continues to be the prime mover or controller of the joint action. Agonists are also interchangeably referred to as prime movers since they are the muscles considered primarily responsible for generating or controlling a specific movement. For example the prime mover in extension of the forearm is the triceps.

A muscle that acts directly to produce a desired movement amid other muscles acting simultaneously to produce the same movement indirectly. L primus movere to move.

Kinesiology Of The Shoulder Complex