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muscles and joints

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Question
Answer
buccinator   cheek muscle moves the cheek  
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temporal   lower jaw  
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masseter   biting and chewing moves lower jaw upward  
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trapezius   pulls shoulder blade together muscle that extends across the back of the shoulder covers the back of the neck triangular shape  
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latissimus dorsi **   lower back extends to our axilla (armpit)  
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pectoralis major **   muscle that crossses the upper part of the front of the chest fan shaped  
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deltoid   muscle covers the shoulder joint  
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gluteus maximus **   large muscle that offers support when an individual is standing fleshy part of the buttock  
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gluteus medius **   a smaller muscle located above the upper outer quadrant of the buttocks used for intramusular injection  
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hamstring muscles   responsible for flexing the leg on the thigh posterior part of the thigh  
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gastrocnemius   main muscle of the calf  
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tibialis anterior   positioned on the front of the leg  
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arthralgia **   pain in the joints  
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atrophy **   wasting away  
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contracture **   an abnormal (usually permanent) bending of a joint into a fixed position caused by shortening and wasting away of muscle fibers  
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fascia **   thin sheets of fibrous connective tissue that penetrate and cover the entire muscle  
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insertion **   point of a attachment of muscle (more mobile)  
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involuntary muscle **   muscles that operate under conscious control  
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origin   the point of attachment of a muscle to a bone that is less movable  
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pelvic girdle weakness **   weakness of the muscles of the pelvic girdle (muscular dystrophy)  
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skeletal muscles   muscles that attach to the bones of a skeleton(known as striated muscles)act voluntarily  
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smooth muscles   muscles found in the walls of the hollow organs and tubes  
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striated muscle **   muscles that have a striped appearance  
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tendon   attaches to the bone  
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torso **   a.k.a trunk (midsection)  
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visceral muscle   muscles of the internal organs  
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voluntary muscle   muscles that operate under conscious control  
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muscular dystrophy   group of genetically transmitted disorders characterized by progressive symmetrical wasting of skeletal muscles nerve involvement or degeneration of nerve tissue  
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rotator cuff tear   a tear in the muscles that form a cuff over the upper end of the arm  
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strains   a strain is an injury to the body of the muscle or attachment of the tendon resulting from overstretching, overextension or misuse (muscle pull)  
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muscle biopsy   extraction of a specimen of muscle tissue for the purpose of examining it under a microscope  
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electromyography   the process of recording the strength of the contraction of a muscle when it is stimulated by an electric current  
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fibrous joint   the surfaces of the bones fit closely together and are held together by fibrous connective tissue (immovable joint)  
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cartilaginous joint   bones are connected by cartilage (limited movement)  
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synovial joint   freely movable joints lined with a synovial membrane secretes synovial fluid  
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hinge joint   allows movement in one direction (back and forth motion-elbow)  
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ball and socket joint   allows movement in many directions around a central point (ball shaped head-shoulder and hip joint)  
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flexion   bending motion decreases the angle  
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extension   straightening motion increases the angle between to bones  
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abduction   movement of bone away from the midline of the body  
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adduction   movement of bone toward the midline of the body  
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rotation   movement that involves the turning of a bone on its own axis  
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supination   act of turning the palm up or forward  
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pronation   act of turning the palm down or backward  
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dorsiflexion   foot is bent backward or upward at the ankle  
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plantar flexion   foot is bent downward at the ankle with the toes pointing downward (ballet dancing)  
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circumduction   movement of an extremity around in a circular motion  
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articular cartilage   thin layer of cartilage protecting and covering the connecting surfaces of the bones  
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bunion   abnormal enlargement of the joint at the base of the great toe  
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bunionectomy **   surgical removal of a bunion bony overgrowth  
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bursa   a small sac that contains synovial fluid for lubricating the area around the joint where friction is most likely to occur  
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closed reduction   the manual forcing of a joint back into its original position without making an incision  
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crepitation   clicking or crackling sounds heard upon joint movement  
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ganglionectomy   surgical removal of a ganglion  
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joint cavity   the space between two connecting bones  
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kyphosis   humpback  
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ligaments   connective tissue bands that join bone to bone  
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malaise   a vague feeling of weakness  
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photosensitivity **   increased reaction of the skin to exposure to sunlight  
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sciatica **   inflammation sciatic nerve pain and tenderness the path of the nerve through the thigh and leg  
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subluxation **   an incomplete dislocation  
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suture **   an immovable joint (skull)  
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synovial fluid **   a thick lubricating fluid located in the synovial joints  
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synovial membrane   the lining of a synovial joint cavity  
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viscous **   sticky  
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arthritis   inflammation of the joints  
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dislocation   displacement of a bone from its normal location within a joint  
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ganglion   cystic tumor developing on a tendon  
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gout   a form of acute arthritis that is characterized by inflammation of the first metatarsal joint of the great toe  
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herniated disk   rupture of the central portion or nucleus of the disk through the disk wall and into the spinal canal (ruptured disk or slipped disk)  
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lyme disease   acute recurrent inflammatory infection transmitted through the bite of an infected deer tick  
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osteoarthritis   degenerative joint disease results from wear and tear on the joints (weight-bearing joints hips and knees)  
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rheumatoid arthritis   chronic systemic inflammatory disease affects multiple joints of the body (hands and feet)  
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sprains   injury involving the ligaments that surround and support a joint wrenching or twisting motion  
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systemic lupus erythematosus   chronic inflammatory connective tissue disease affecting the skin joints nervous system kidneys lungs and other organs butterfly rash on both cheeks  
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arthrocentesis   surgical puncture of a joint with a needle withdrawing fluid for analysis  
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arthroplasty   surgical reconstruction of a joint  
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arthroscopy   the visualization of the interior of a joint using a endoscope  
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rheumatoid factor   test is a blood test that measures presence of unusual antibodies that develop in a number of connective tissue diseases (rheumatoid arthritis)  
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