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A&P chapter 7

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Term
Definition
arthroscopy   visualization of the interior of a joint by using an endoscope  
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bunion   abnormal enlargement of the joint at the base of the big toe  
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crepitation/crepitatis   clicking or crackling sound heard upon joint movement  
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subluxation   an incomplete dislocation  
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oseteoarthritis   aka DJD or degenerative joint disease - most common form of arthritis results from wear and tear on the joints (hips and knees)  
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joint   articulation  
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smooth/visceral muscle   found in the walls of hollow organs and tubes such as stomach, intestines, blood vessels & respiratory passageways  
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shoulder muscle   deltoid  
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calf muscle   gastrocnemius  
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muscle of the fleshy part of the buttocks   gluteus maximus  
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supination   the act of turning the palm up or forward  
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pronation   the act of turning the palm down or backward  
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chest muscle   pectoralis major  
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dorsiflexion   bending the foot backward or upward at the ankle  
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vastus lateralis   located on the outer side of the femur (sight for IM injections)  
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flexion   bending motion that decreases the angle between two bones  
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extension   straightening motion that increases the angle between two bones  
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plantar flexion   bending the foot downward at the ankle as in ballet dancing  
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insertion   point of attachment of the muscle to the bone it moves  
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origin   point of attachment of the muscle to the bone that is less movable  
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ganglion   cystic tumor developing on a tendon (sometimes on back of wrist)  
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arthralagia   pain in the joints  
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arthritis   inflammation of the joints  
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masseter muscle   located at the angle of the jaw - raises the mandible and closes the jaw - used when biting or chewing  
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adduction   movement toward midline  
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abduction   movement away from midline  
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rotator cuff   helps lift and rotate the arm - hold the head of the humerus in places during abduction of the arm (shoulder)  
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involuntary muscles   cardiac and smooth/visceral  
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voluntary muscles   skeletal  
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striated muscles   cardiac and skeletal  
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non-striated muscles   smooth/visceral  
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myocitis   inflammation of the muscle  
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myalgia   muscle pain fibromyalgia = chronic condition - muscle pain throughout the body  
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sciatica   inflammation of the sciatic nerve characterized by pain along the course of the nerve, radiating through the thigh and down the back of the leg  
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bursa   small sac that contains synovial fluid for lubricating the area around the joint  
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dystonia   pertaining to bad tone  
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ligament   attaches bone to bone  
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tendon   attaches muscle to bone  
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fascia   thin sheets of fibrous connective tissue that penetrate and cover the entire muscle  
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polyarthritis   inflammation of many joints  
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polymyocitis   inflammation of many muscles  
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atrophy   without development - wasting away  
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dystrophy   bad formation  
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rotation   turning of the bone on its own axis  
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circumduction   movement of an extremity around in a circular motion  
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plegia   paralysis  
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paresis   partial paralysis  
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sprain   injury involving the ligaments that surround and support a joint - wrenching or twisting motion (knee, ankle)  
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strain   injury to the body of the muscle or attachment of a tendon caused by overstretching, overextension or misuse  
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sutures   fibrous joints, immovable (cranial)  
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cartilaginous joint   the bones are connected by cartilage - symphysis = joint between the pucbic bones of the pelvis  
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inversion   movement where toes are turned inward towards midline  
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eversion   movement where toes are turned outward away from midline  
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sternocleidomastoid   muscle that extends from the sternum upward along the side of the neck to the mastoid process (behind the ear) - assists with bending your neck and turning head side to side  
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dislocation   displacement of a bone from its normal location within a joint  
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