CUBITAL FOSSA

SUMMARY

1. Triangular area b/w PRONATOR TERES (medial), BRACHIORADIALIS (lateral) & line joining the 2 humeral epicondyles.
2. Roof - formed by the deep fascia of forearm & bicipital aponeurosis. Structures over the medial roof => basilic vein & medial cutaneous nerve of forearm. Structures over the lateral roof => cephalic vein & lateral cutaneous nerve of forearm.
3. Floor - formed by BRACHIALIS above, SUPINATOR below.
4. Contents (medial to lateral, mnemonic: MATR) - Median nerve => Brachial artery => Tendon of biceps => Radial nerve. 

Image: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 17 Nov. 2018].

Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.