Chapter 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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skeletal muscle | attaches to the bones of the skeleton
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voluntary muscles | muscles that are attached to the skeleton and move by a person's conscious effort
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striated muscles | muscles that will have a striped appearance
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contraction or shortening of the muscle | one bone where the muscle is attached does not move, while the other bone can move more freely
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muscle fibers | long slender cells that make up the skeletal muscle
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fascia | connective tissue that covers and binds the muscles together
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tendons | bands of dense white fibrous connective tissue that connect the muscle to the bones and help with movement
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ligaments | tough, strong, flexible bands of tissue that connect bone to bone giving support to the joints
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joints | the points of contact that are between two bones and hole the bones together
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bursae | small synovial fluid sacs that are found at the friction points around the joints between the tendons, ligaments, and bones
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smooth muscles | involuntary muscles found lining the walls of hollow internal organs of the body
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visceral muscles | smooth muscle located in a large internal organ of the body
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cardiac muscle | specialized muscle which forms the wall of the heart; involuntary and controlled by the autonomic nervous system
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my/o | muscle
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arthr/o | joint
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articul/o | joint
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ligament/o | ligament
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ten/o | tendon
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tend/o | tendon
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tendin/o | tendon
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leiomy/o | smooth muscle
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rhabdomy/o | skeletal muscle
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fibr/o | fiber
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fasci/o | band of fibrous tissue
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burs/o | bursae, sac, bursa
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bucc/o | cheek
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origin | the place where the muscle begins or originates and attaches to the less movable bone
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insertion | the point where the muscle ends or inserts and is attached to the more movable bone
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fibrous joint | the surfaces of the bones fitting closely together with fibrous connective tissue, forms a non-moving joint
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cartilaginous joint | joint where the bones are connected by cartilage, allows limited movement
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synovial joint | allow free movement, include ball and socket joints
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abduction | moving away from the midline of the body such as lifting your arm
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adduction | moving toward the midline such as bringing your arm down to your side
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flexion | bending, or decreasing the angle at the joint; this would be bending your arm at the elbow
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extension | straightening, or increasing the angle at the joint to straighten your arm out straight
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elevation | the motion of raising a body part such as when you take a deep breath and the ribs rise
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depression | the lowering of a body part such as when you exhale and the ribs lower when you breathe out
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rotation | the turning of the bone on its own axis, or pivoting such as turning your head
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circumduction | moving an extremity in a circular motion such as swinging your arm around your body
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supination | the turning of your arm so that your palm is facing upward
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pronation | the turning of your arm so that you palm is facing down
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dorsiflexion | the action of bending your foot upward at the ankle toward your face
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plantar flexion | bending your foot downward toward the ground at the ankle
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retraction | moving a body part backward such as tilting your head backward
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protraction | moving of a body part forward such as bending your head forward
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external rotation | the turning of a limb about its axis of rotation away from the midline of the body
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internal rotation | the turning of a limb about its axis of rotation towards the midline of the body
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rheumatologist | treats inflammation of the connective tissue and muscles
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neurologist | treats illnesses that involve paralysis or loss of movement
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cardiologist | treat disorders of the cardiac muscles
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orthopedic surgeon | treats injuries and disorders of the bones, joints, muscles, and tendons
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a | no, or not
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an | no, or not
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dys | painful, abnormal
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hyper | excessive, more than usual
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hypo | below, less than normal
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pro | before
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re | back
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retro | behind
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sub | under, below
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trans | across or through
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endo | within
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itis | inflammation
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algia | pain
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ic | pertaining to
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al | pertaining to
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tonia | muscle tone
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oma | tumor
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opsy | the process of viewing
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asthenia | without feeling or sensation
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scopy | process of visual examination
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tomy | incision, to cut into
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osis | abnormal condition
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ankyl/o | stiff
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chondr/o | cartilage
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electr/o | electricity
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oste/o | bone
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myos/o | muscle
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muscul/o | muscle
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electromyography or EMG | uses an instrument that converts the electrical activity associated with functioning skeletal muscle and records the strength of the muscle contraction as electrical stimulation is applied
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nerve conduction studies or electroneuromyography | procedure that is used for testing and recording the neuromuscular activity by the electrical stimulation to the nerve
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DTR or deep tendon reflex | uses a reflex hammer to strike the tendon in an extremity checking for a response or the absence of a response when the muscle is stimulated by the hammer
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range of motion testing | evaluates joint mobility and muscle strength
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muscle biopsy | extracting of muscle tissue for the purpose of diagnosing a disease process
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needle aspiration | the removal of fluid by inserting a needle into a body cavity
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dislocation of a bone | the displacement of the bone from its normal position within the joint, which causes the loss of function of the joint
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muscular dystrophy or MD | inherited disease that causes muscle weakness without affecting the nervous system; the prefix -dys- meaning abnormal and the suffix -trophy- meaning growth, development
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myasthenia gravis or MG | chronic auto-immune disease affecting the muscles that control the eye movements, chewing, swallowing, coughing, facial expressions, and breathing; the root of the word -my- means muscle & the suffix -asthenia- means without feeling or sensation, weakness
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fibromyalgia syndrome | chronic disorder that presents with widespread aching pain, tender points when touched, and fatigue; cause is unknown; fibro - means fibrous tissue, -my- means muscle, and -algia- means pain
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tendonitis | inflammation of the tendons of the joints; the root of the word -tend/o- means tendon, and the suffix -itis- means inflammation
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dystonia | abnormal muscle tone; the prefix -dys- meaning abnormal or bad, suffix -tonia- meaning muscle tone
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contractures | abnormal shortening of muscle tissues making the muscle unable to stretch
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hyperkinesia or hyperactivity | abnormal increased motor function; the prefix -hyper- meaning above, excessive, suffix -kinesia- meaning movement
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sprains | injuries to the joints and are caused by overuse, or a torn ligament
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strains | injuries to the body of the muscle or the attachment of the tendon involving a stretched or torn muscle or tendon attachement
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paralysis | loss of sensation and voluntary muscle movement caused by disease or injury to the nerve supply
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hemiparesis | weakness of one side of the body; the prefix -hemi- means half, suffix -paresis- means partial paralysis
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ankylosis | immobility of a joint; the suffix -osis- means condition, the root -ankyl/o- means stiff
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