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Key Spinal Nerves in Anatomy & Physiology

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Terms in this set (7)

  • What is the phrenic nerve responsible for?
    The phrenic nerve controls the diaphragm, playing a crucial role in breathing.
  • Which nerve innervates the shoulder muscles?
    The axillary nerve innervates the deltoid and teres minor muscles, affecting shoulder movement.
  • What functions does the radial nerve serve?
    The radial nerve controls the muscles that extend the wrist and fingers and provides sensation to part of the hand.
  • Which nerve is involved in forearm flexion and thumb opposition?
    The median nerve controls forearm flexors and muscles for thumb opposition and sensation in the lateral hand.
  • What is the role of the ulnar nerve?
    The ulnar nerve controls fine motor movements of the hand and provides sensation to the medial hand and fingers.
  • Which nerve primarily innervates the anterior thigh muscles?
    The femoral nerve innervates the quadriceps and other anterior thigh muscles, important for leg extension.
  • What is the function of the sciatic nerve?
    The sciatic nerve is the largest nerve in the body, innervating the posterior thigh, leg, and foot muscles.