Muscular

  1. Laughing muscle
    Risorius muscle
  2. Frowning muscle
    Depressor anguli oris muscle
  3. Strongest muscle in the human body
    Masseter muscle
  4. Called as pouting muscle
    Mentalis muscle
  5. Narrows and elongates the tongue
    Transverse muscle
  6. Flattens and widens the tongue
    Vertical muscle
  7. Alternative term for hamstring
    Posterior compartment of the legs
  8. RICE
    Rest, Ice, Compression, Elevation
  9. Event wherein the kneecap glides as the knee bends or straightens
    Patellofemoral groove
  10. Compartment of the legs
    Anterior, Posterior, Medial
  11. Set of muscle abducts the thigh
    Deep Hip Muscle
  12. Four sites of IM
    Thigh, Arm, Hip, Buttocks
  13. Attachment of a muscle's tendon to the stationary bone
    Origin
  14. Attachment of muscle's other tendon to the movable bone
    Insertion
  15. Major movement produced in the thorax during quiet breathing is accomplished here
    Diaphragm
  16. Name one rotator cuff muscle
    Subscapularis, supraspinatus, infraspinatus, teres minor
  17. Contraction of a fiber muscle in response to stimulus
    Muscle twitch
  18. Temporary state of reduced work capacity
    Fatigue
  19. Respiration that produces ATP, CO2, Water
    Aerobic respiration
  20. Produces ATP and lactate
    Anaerobic Respiration
  21. Stimulation are so rapid that no relaxation occurs
    Tetanus
  22. Three phases of muscle twitching
    Lag Phase, Contraction Phase, Relaxation Phase
  23. Responsible for keeping the back and legs straight, the head in upright position from bulging
    Muscle Tone
  24. Resulting periodic spontaneous contraction of smooth muscle
    Autorhythmicity
  25. Enlargement of muscle fibers due to exercise
    Hypertrophy
  26. Type of skeletal muscle fiber that is used for the maintenance of posture, walking, endurance activities
    Slow-twitch (Type 1)
  27. It happens when the amount of tension produced by the muscle is constant during contraction, but the length of the muscle decreases
    Isotonic Contraction
  28. TRUE or FALSE
    Magnum means largest
    FALSE
  29. TRUE or FALSE
    Pectoralis minor is considered as the swimmer's muscle
    FALSE - latissimus dorsi
  30. TRUE or FALSE
    SPINOUS ERECTAE is the one who's responsible for keeping the back straight and the body erect
    FALSE
  31. It is a muscle that is attached to the bones
    Skeletal muscles
  32. Skeletal muscle is ____% of body weight and is a ________ muscle
    40% ; striated
  33. It's only one action is to shorten; shortening generates pulling force
    Contractility
  34. Capacity pf muscle to respond to an electrical stimulus
    Excitability
  35. muscle can be stretched beyond its normal resting length
    Extensibility
  36. recoil/spring back to its original resting length
    Elasticity
  37. It is a connective tissue sheath that surround skeletal muscle; muscular fascia
    Epimysium
  38. Visible bundles in skeletal muscles
    Muscle fasciculi
  39. Loose connective tissue that surrounds muscle fasciculi
    Perimysium
  40. Muscle cells inside fasciculi
    Muscle fibers
  41. Cell membrane of the muscle fiber
    Sarcolemma
  42. Tubelike imaginations; connects sarcolemma to the sarcoplasmic reticulum
    T tubules
  43. has high concentration of Ca which play a MAJOR role in muscle CONTRACTION
    sarcoplasmic reticulum
  44. cytoplasm inside each muscle fiber
    Sarcoplasm
  45. threadlike structures that extend from one end of the muscle fiber to the other
    Myofibrils
  46. 2 major kind of protein fibers
    Actin myofilament ; Myosin myofilament
  47. it is a highly ordered arrangement, repeating units of actin and myosin myofilament
    Sarcomeres
  48. it joined end to end to form the MYOFIBRILS
    sarcomeres
  49. THIN myofilament
    Actin myofilaments
  50. have attachment sites for myosin myofilament
    Actin myofilament
  51. molecules attached at the specific intervals along actin myofilaments
    Troponin
  52. have binding sites for Ca2+
    Troponin
  53. Located along the groove between twisted strands of actin myofilaments subunits
    Tropomyosin
  54. It covers/blocks myosin myofilaments binding sites on actin myofilaments
    Tropomyosin
  55. THICK myofilaments
    Myosin myofilaments
  56. this can bind to attachment sides on actin myofilament
    Myosin heads
  57. this can bend and straighten during contraction; can also break down energy
    myosin heads
  58. basic structural and functional unit of skeletal muscle
    sarcomeres
  59. it is also the smallest portion of skeletal muscle that is capable for contraction
    sarcomeres
  60. NEGATIVELY charged INSIDE of cell membrane
    Polarized
  61. occurs because there is an uneven distribution of ions across the cell membrane
    Resting membrane potential
  62. K is higher INSIDE the cell membran; Na is higher OUTSIDE the cell
    Resting membrane potential
  63. INSIDE the cell membrane is POSITIVE
    depolarization
  64. Na movement stop; K movement out of the cell increases Na movement stop; K movement out of the cell increases
    Repolarization
  65. NEGATIVEly charged INSIDE again; change back to RMP
    Repolarization
  66. rapid depolarization and repolarization of the cell membrane
    Action potential
  67. In muscle fibers, action potential = ?
    muscle contraction
  68. Specialized nerve cells that stimulates muscle to contract
    Motor neurons
  69. Junction with a muscle fiber
    Neuromuscular junction
  70. cell to cell junction between a nerve cell and another nerve cell
    Synapse
  71. 1 motor neuron, + all skeletal muscle fibers =?
    Motor units
  72. Enlarged axon terminal
    Presynaptic terminal
  73. space between presynaptic terminal and the muscle fiber membrane
    Synaptic cleft
  74. Cell membrane or sarcolemma
    Postsynaptic terminal
  75. small vesicles inside presynaptic terminal that contains Acetylcholine
    Synaptic vesicles
  76. It is a neurotransmitter that is released by a presynaptic nerve cell that stimulates postsynaptic cell
    Acetylcholine
  77. It is an enzyme that breaks acetylcholine released between atoms and muscle fibers
    Acetylcholinesterase
  78. sliding of actin myofilaments past myosin myofilaments during contraction
    sliding filament method
  79. In this method, H zone and I bands shorten during contraction
    Sliding filament method
  80. Exposed attachment sites on the actin myofilaments bind to the heads of myosin myofilaments
    Cross-bridges
  81. cross bridges are not released causing the muscles to become rigid; ATP not available
    Rigor moris
  82. TRUE OR FALSE
    Myofilaments do not change length during muscle contraction
    True
  83. TRUE OR FALSE
    Actin myofilaments moves away from each other
    False - toward
  84. TRUE OR FALSE
    Sarcomere shorten as Z disks move toward each other
    True
  85. TRUE OR FALSE
    H zone, I band, A band NARROWS
    False - A band DONT narrow
  86. It is a contraction of a muscle fiber in responds to a stimulus
    Muscle twitch
  87. it is a time between the application of a stimulus and the beginning of contraction; LATENT phase
    Lag phase
  88. phase/time during which the muscle contracts
    Contraction phase
  89. time during a muscle relaxes
    Relaxation phase
  90. sustained contraction that occurs when the frequency of stimulation is so rapid that no relaxation occurs
    Tetanus
  91. this requires O2 and it breaks down glucose to produce ATP, CO2, heat
    Aerobic respiration
Author
carisandra
ID
341668
Card Set
Muscular
Description
muscles
Updated