Anatomy of Cubital fossa

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Anatomy of Cubital fossa.

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Anatomy of Cubital fossa

  1. 1. by Yapa Wijeratne Faculty of Medicine University of Peradeniya Sri Lanka
  2. 2. • Lateral: brachioradialis • Medial: pronator teres • Base: an imaginary horizontal line between the medial and lateral epicondyles. • Bed/ floor: (mainly) by the brachialis muscle. • & below by the supinator. • Roof: deep fascia of the forearm, • reinforced on the medial side by the bicipital aponeurosis.
  3. 3.  from lateral to medial, are: • Tendon of the biceps brachii muscle; • Brachial artery; • Median nerve  TAN-tendon artery nerve
  4. 4. • Lies just under the lip of the brachioradialis muscle. • In this position, the radial nerve divides into superficial and deep branches: 1. The superficial branch continues into the forearm just deep to the brachioradialis muscle; 2. The deep branch passes between the two heads of the supinator muscle to access the posterior compartment of the forearm. • The ulnar nerve DOES NOT PASS THROUGH the cubital fossa. Instead, it passes posterior to the medial epicondyle.
  5. 5.  1.Median cubital vein,  which passes diagonally across the roof and connects the cephalic vein on the lateral side of the upper limb with the basilic vein on the medial side.  The bicipital aponeurosis separates the median cubital vein from the brachial artery and median nerve.  2.Cutaneous nerves- • Medial cutaneous nerve of the forearm • Lateral cutaneous nerve of the forearm

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