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Muscle Actions in Anatomy & Physiology

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이 집합의 용어 (20)

  • What is the primary action of the biceps brachii?
    The biceps brachii primarily flexes the elbow and supinates the forearm.
  • What action does the triceps brachii perform?
    The triceps brachii is responsible for extension of the elbow joint.
  • What is the main function of the deltoid muscle?
    The deltoid muscle abducts the arm at the shoulder.
  • Which action is performed by the quadriceps femoris group?
    The quadriceps femoris group extends the knee and assists in hip flexion.
  • What movement does the hamstring group facilitate?
    The hamstrings flex the knee and extend the hip.
  • What is the action of the gastrocnemius muscle?
    The gastrocnemius plantarflexes the foot and flexes the knee.
  • What does the latissimus dorsi muscle do?
    The latissimus dorsi extends, adducts, and medially rotates the arm at the shoulder.
  • What is the primary action of the pectoralis major?
    The pectoralis major adducts and medially rotates the arm and assists in flexion of the shoulder.
  • Which action is performed by the tibialis anterior?
    The tibialis anterior dorsiflexes and inverts the foot.
  • What is the function of the orbicularis oris muscle?
    The orbicularis oris controls movement of the lips, enabling actions like pursing and closing the mouth.
  • What action does the masseter muscle perform?
    The masseter muscle elevates the mandible, enabling jaw closure.
  • What is the role of the rectus abdominis muscle?
    The rectus abdominis flexes the vertebral column and helps compress abdominal contents.
  • What movement does the gluteus maximus produce?
    The gluteus maximus extends and laterally rotates the hip.
  • What is the action of the sternocleidomastoid muscle?
    The sternocleidomastoid rotates the head to the opposite side and flexes the neck.
  • Which action is performed by the trapezius muscle?
    The trapezius elevates, retracts, and rotates the scapula.
  • What is the function of the flexor carpi radialis?
    The flexor carpi radialis flexes and abducts the wrist.
  • What action does the extensor digitorum perform?
    The extensor digitorum extends the fingers and the wrist.
  • What is the primary action of the iliopsoas muscle?
    The iliopsoas flexes the hip and assists in trunk flexion.
  • What movement does the rhomboid major muscle facilitate?
    The rhomboid major retracts and elevates the scapula.
  • What is the action of the serratus anterior muscle?
    The serratus anterior protracts and stabilizes the scapula.