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Chapter 4Pretest Questions:1.Which term describes the movement of a limb toward the midline of the body?2.Which type of physician specializes in physical medicine and rehabilitation with the focuson restoring function?3.Which term describes a condition of abnormal muscle tone that causes the impairment of voluntary muscle movement?4.Which suffix means partial or incomplete paralysis?5.Which term describes the rupture or tearing of a muscle?6.What term describes a muscle that is slanted or at an angle?7.Which structure is a band of fibrous connective tissue that covers, supports, and separate muscles?8.Which muscle helps flex the trunk, assists in breathing, and supports the spine?9.Which type of muscle is located in the walls of internal organs whose function is to moveand control the flow of fluids through these structures?10. Which muscle moves the head and shoulder blade?
Skeletal Muscles: attached to the bones of the skeleton and make body motions possibleSmooth Muscles: located in the walls of internal organs such as the digestive tract, blood vessels, and ducts leading from glands; move/control flow of fluidsMyocardial Muscles: form the muscular walls of the heartMuscle Innervation: the stimulation of a muscle by an impulse transmitted by a motor nerveNeuromuscular: pertaining to the relationship between a nerve and muscleContraction: the tightening of a muscleRelaxation:when a muscle returns to its original formAbduction: the movement of a limb away from the midline of the bodyAdduction: the movement of a limb toward the midline of the bodyFlexion: decreasing the angle between two bones by bending a limb at a jointExtension: increasing the angle between two bones or the straightening out of a limbHyperextension: the extreme or overextension of a limb or body part beyond its normal limitElevation: the act of raising or lifting a body partDepression: the act of lowering a body partRotation: a circular movement around an axis such as the shoulder jointCircumduction: the circular movement at the far end of a limbHumerus: the bone of the upper armSupination: the act of rotating the arm or the leg so that the palm of the hand or sole of the foot is turned forward or upwardPronation: the act of rotating the arm or leg so that the palm of the hand or sole of the foot is turned downward or backwardDorsiflexion