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Muscle Function

Muscle Functions / Characteristics

Vocabulary WordDefinition
Flexors Muscles which bend a limb at a joint.
Extensors Muscles which straighten a limb at a joint.
Adductors Muscles which move a limb towards the midline of the body.
Abductors Muscles which move a limb away from the midline of the body.
Agonist Prime mover responsible for contraction and producing the desired movement.
Synergist Muscles which assist the agonist in producing the desired movement.
Antagonist Muscle working in opposition to the agonist, that must relax for the desired movement to occur at the joint.
Stabilizers Contract to protect a joint and maintain alignment.
Contractility respond to nervous impulse by shortening or contracting, causing a pulling force on bone.
Distensibility ability to stretch.
Elasticity ability to return to original shape fter stretch is removed.
Excitability respond to nervous or electrical stimuli.
Created by: LisaSceviour