Functions Of Muscle Attachments In The Body

By Janelle Burnett


The strength, speed and direction of movement are determined by muscle attachments. They come either as direct or indirect which affects how they function and support other body parts. Understanding these differences allows one to appreciate the uniqueness of each action. You will require magnifying instruments to identify these differences.

You will identify an indirect attachment by the fact that muscles seem to end before getting to the bone. There is a mass of tendons separating muscles and the bone. This region is populated by fibrous bands, theicks and sheets. These sheets are identified as aponeurosis and provide the strength required to complete the connection between the bones and muscles.

A direct case gives the impression that the bone and muscles are attached to each other. The origin of these muscles appears to be inside the bone. There are microscopic collagen fibers separating the muscles and the bone in a way that can only be viewed upon magnification.

Movement is facilitated by coordinated working of muscles around. Their interconnection with bones produces and directs movement. The ends of muscles are referred to as insertion and origin. The thick part in between forms the belly which expands and contracts to cause action. The necessity for different movements justifies the presence of different types of muscles in particular areas.

The intrinsic muscles stand out among the others because its origin and insertion are located within the belly of a muscle. They play a specific role on the part of the body where they are found. Action is a word used to describe the effect muscles have on movement in the body. Each group is connected to another leading to coordinated activity within the body.

The body contains different categories of muscles explaining the behavior and functions of the body. The classes are antagonist, agonist, fixators and synergist. They work in distinct ways allowing actions to be coordinated.

Agonists are credited for producing huge forces in the body. This unique feature has earned them the name prime movers. They are responsible for basic body movement. Synergists work together with agonist to restrict, direct and coordinate their actions. One agonist requires a group of synergists to effectively function. They support directed motion.

Antagonists oppose movement and force produced by agonist. They are responsible for determining the speed and range of movement in the body. This combination is referred to as an antagonistic pair because they work in opposite directions. This offers speed, coordination and direction to actions.

Fixators work specifically on bones. They keep bones in place preventing damage that may be caused by reckless movement. This helps prevent dislocation and strains that might result from excessive force and movement. The actions of different muscles in the body lead to healthy and coordinated movement.

The nature of movement required at a certain part of the body determines the muscle attachments around the area. Only identification of such differences will allow one to appreciate the roles played by each group of muscle. Their differences facilitate body coordination and movement.




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