various stuff
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| golgi tendon organ | organ of the sensory division which detects the strain of the muscle/tendon complex thereby causing muscle actions to reduce injury
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| muscle spindle | specialized muscle fibers whose function is to monitor the length of the muscle and along with sensory nerve ending communicate to the CNS to maintain the desired muscle length
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| tropomyosin | tube shaped protein which twists around the actin strand which hides the active sites during muscle relaxation
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| slow-twitch (ST) fiber - type I | type of muscle fiber characterized by slower peak tension time, lowest power and high aerobic endurance - endurance athletes, marathoners
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| neuromuscular junction | site where motor neurons communicate with muscle fibers
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| sacroplasm | flud inside the muscle fiber composed of various organels and other cell material
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| sarcoplasmic reticulum | calcium storage area which wraps around myofibrils
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| myosin cross-bridge | the two-headed portion of myosin filament with attachment sites for actin and ATP
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| muscle fiber | another name for a muscle cell whose structure contains nucleus, mitocondria, sacroplasm and myofibril. Individual muscle cell whose size ranges from 10-80um is diameter and range up to 12cm long.
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| fast-twitch (FT) fiber - type 2 - | a type of muscle fiber which is characterized by lower peak tension time and highest power (sprinter)
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| ATP | chemical source for energy for body - adenosine triphosphate
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| Proprioception | It is not movement. It is knowledge of where you body parts are.
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| Intrafusal Muscle Fibers | Attached at two points.
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| Extrafusal Muscle Fibers | Skeletal or voluntary muscles.
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| Three kinds of muscle | striated, smooth, cardiac
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| perimysium | The sheath of connective tissue enveloping bundles of muscle fibers.
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| Endomysium | literally meaning within the muscle, is a layer of connective tissue that ensheaths a muscle fiber and is composed mostly from reticular fibers. It also contains capillaries, nerves and lymphatics.
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| Carbohydrate’s primary role | fuel
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| Grains / Rice / Pasta / Bread RDA | 6-11 servings
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| Veggie RDA | 3-5 servings
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| Fruit RDA | 2-4 servings
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| Dairy RDA | 2-3 servings
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| Meats RDA | 2-3 servings
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| standard target HR calc | 220-AGE x intensity %
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| Karvonen HR calc | (220-age-resting HR) x intensity % + resting HR
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| average resting HR 60-80 bpm | (blank)
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| max HR | 220-age
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| daily carb RDA | 45-65%
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| daily protein RDA | 10-35%
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| daily far RDA | 20-25%
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| ectomorph | hard to gain weight or add muscle
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| mesomorph | naturally muscular build
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| endomorph | big boned - thick joints
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| action potential | muscle operate by signal from brain
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| what is the action of Tres Major | Shoulder - Adduction / extention / internal rotation / Adduction
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| what is the action of Latissmus Dorsi | Shoulder - Adduction / extention / internal rotation / Adduction
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| What is the action of Pectoralis Major | Shoulder - Transverse Flexion / Transverse Adduction / Internal Rotation / Adduction / Flexion / Abduction
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| What is the action of Serratus Anterior | Scapula - Abduction / Upward Rotation / Elevation
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| What is the action of Pectoralis Minor | scapula - Abduction / Downward Rotation / Depression
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| tres major (origin) | origin - inferior angle of scapula
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| tres major (insert) | insert - medial bicipital groove of humerus
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| Pectoralis Major (origin) | origin - medial 1/2 of clavicle / sternum and costal junction of upper 6 ribs
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| Pretoralis Major (insert) | insert - lateral greater tubercle of humerus
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| Latissimus Dorsi (origin) | origin - sacrum and iliac crest, lower 3-4 ribs
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| Latissimus Dorsi (insert) | insert - middle bicipital groove of humerus
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| Serratus Anterior (origin) | origin - outer surface of upper 8 ribs
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| Serratus Anterior (insert) | insert - medial border of scapula
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| Pectoralis Minor (origin) | origin - 3-5th ribs near costal cartilages
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| Pectoralis Minor (insert) | insert - Caracoid Process of the scapula
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