List 1: Muscle Structure, Organization, and Actions

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Across
  1. 3. A muscle that opposes the action of the agonist, providing resistance or control.
  2. 4. A lever system where the load is between the fulcrum and the effort (e.g., standing on tiptoes).
  3. 5. The basic contractile unit of a muscle, composed of myofibrils and surrounded by endomysium.
  4. 7. Muscles that elevate or lift a body part.
  5. 9. A lever system where the fulcrum is between the effort and the load (e.g., the head nodding on the neck).
  6. 12. A muscle with fibers arranged in a circular pattern, often functioning as a sphincter.
  7. 14. A sheet of connective tissue that surrounds muscles and other structures, providing support and compartmentalization.
  8. 15. The fixed attachment point of a muscle, typically proximal and less movable.
  9. 16. The movable attachment point of a muscle, typically distal and more movable.
  10. 17. A thicker connective tissue layer that surrounds fascicles within a muscle.
  11. 18. Muscles that stabilize the origin of the agonist to enhance its efficiency.
  12. 24. A muscle with fibers that converge toward a single tendon, enabling versatile force production.
  13. 26. A lever system where the effort is between the fulcrum and the load (e.g., flexing the forearm).
Down
  1. 1. A muscle with fibers that attach obliquely to a central tendon, increasing force output.
  2. 2. The main muscle responsible for a particular action.
  3. 6. The outermost connective tissue layer that surrounds an entire muscle.
  4. 8. Muscles that move a body part away from the midline of the body.
  5. 10. A circular muscle that controls the opening and closing of a passage or orifice.
  6. 11. A muscle with fibers that run parallel to its long axis, allowing for greater range of motion.
  7. 13. A thin layer of connective tissue that surrounds individual muscle fibers.
  8. 14. Muscles that decrease the angle between two bones at a joint.
  9. 19. A muscle that assists the agonist in performing a movement.
  10. 20. A biomechanical system where muscles, bones, and joints work together to produce movement.
  11. 21. A bundle of muscle fibers enclosed by a connective tissue layer called perimysium.
  12. 22. A muscle that is primarily responsible for producing a specific movement.
  13. 23. The specific movements produced by a muscle, such as flexion, extension, or rotation.
  14. 25. Muscles that increase the angle between two bones at a joint.