BIO 201 Exam I Key Terms - Articulations & Muscle Tissue

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Across
  1. 1. elevates and pulls mandible anteriorly
  2. 3. consists of a single motor neuron and the muscle fibers it controls
  3. 5. type of skeletal muscle fiber, Type I, slow oxidative, abundant in postural muscles
  4. 8. muscles that extend the head and/or neck
  5. 11. type of muscle that has both their origins and insertions on parts of the axial skeleton or skin
  6. 12. muscles of the vertebral column, minor deep back muscles connect and stabilize the vertebrae
  7. 14. type of contraction where muscle tension equals or is greater than the resistance
  8. 17. type of skeletal muscle fiber, Type IIa, fast aerobic, abundant in lower limbs
  9. 18. prime mover, produces a specific movement when it contracts
  10. 21. commonly known as the throat, funnel-shaped tubed that lies posterior to and extends inferiorly from the oral and nasal cavities
  11. 22. compresses cheek against teeth when eating, used to compress air in the oral cavity to play wind instruments
  12. 23. muscles that flex the head and/pr neck
  13. 26. organization of muscle fibers within a muscle
  14. 27. muscle that assists agonist or prime over
  15. 28. muscles that elevate the hyoid during swallowing
Down
  1. 2. muscle whose action opposed that of the agonist
  2. 4. region where the motor neuron comes into close proximity to the muscle fiber
  3. 5. elevates and retracts tongue
  4. 6. muscles of the vertebral column that maintain posture, help to stand erect
  5. 7. muscles that depress the hyoid during swallowing
  6. 9. elevates posterior part of tongue
  7. 10. protracts and moves the mandible from side to side while chewing
  8. 13. point of attachment to the bone that DOES move
  9. 15. elevates and pulls mandible posteriorly
  10. 16. protracts tongue
  11. 19. type of contraction where muscle tension is less than the resistance
  12. 20. depresses and retracts tongue
  13. 24. type of skeletal muscle fiber, Type IIa, fast anaerobic, abundant in upper limbs
  14. 25. number of extrinsic eye muscles