ulnar neuropathy cubital tunnel syndrome ulnar nerve compression, cubital tunnel Compression of the ULNAR NERVE in the cubital tunnel, which is formed by the two heads of the flexor carpi ulnaris muscle, humeral-ulnar aponeurosis, and medial ligaments of the elbow. This condition may follow trauma or occur in association with processes which produce nerve enlargement or narrowing of the canal. Manifestations include elbow pain and PARESTHESIA radiating distally, weakness of ulnar innervated intrinsic hand muscles, and loss of sensation over the hypothenar region, fifth finger, and ulnar aspect of the ring finger. (Joynt, Clinical Neurology, 1995, Ch51, p43) tunnel syndrome, cubital GARD:0025874 syndromes, cubital tunnel MESH:D020430 SCTID:56177003 MONDO:0043982 tunnel syndromes, cubital MEDGEN:104813 ulnar nerve entrapment, elbow UMLS:C0206239 cubital tunnel syndromes syndrome, cubital tunnel cubital tunnel syndrome