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The ulnar nerve is a nerve that runs near the ulna, one of the two long bones in the forearm. The ulnar collateral ligament of elbow joint is in relation with the ulnar nerve. The nerve is the largest in the human body unprotected by muscle or bone, so injury is common. [ 1 ]
1 Location. 2 Alphabetical list. 3 Related topic. ... The following is a list of nerves in the human body: ... Dorsal branch of ulnar nerve;
Schematic diagram of the medial side of the elbow showing the ulnar nerve passing through the cubital tunnel. Chronic compression of the ulnar nerve in the cubital tunnel is known as cubital tunnel syndrome. [4] There are several sites of possible compression, traction or friction of the ulnar nerve as it courses behind the elbow. [5]
Flexor digitorum profundus is a composite muscle innervated by the anterior interosseous nerve and ulnar nerves. The medial aspect of the muscle (which flexes the 4th and 5th digit) is supplied by the ulnar nerve (C8, T1). [5] [6] [7]
Like other flexion surfaces of large joints (groin, popliteal fossa, armpit and essentially the anterior part of the neck), it is an area where blood vessels and nerves pass relatively superficially, and with an increased amount of lymph nodes. During blood pressure measurements, the stethoscope is placed over the brachial artery in the cubital ...
These nerve groups transmit afferent (sensory) information from the scalp, neck, and shoulders to the brain. The motor branches of spinal nerves include: ansa cervicalis , dividing into a superior root, C-1, and an inferior root, C-2 and C-3, and the phrenic nerve , C-3 to C-5, the segmental nerve branches, C-1 to C-5.
The nerve point of the neck, also known as Erb's point, [1] is a site at the upper trunk of the brachial plexus located 2–3 cm above the clavicle. It is named for Wilhelm Heinrich Erb . [ 2 ] Taken together, there are six types of nerves that meet at this point.
The medial epicondyle protects the ulnar nerve, which runs in a groove on the back of this epicondyle. The ulnar nerve is vulnerable because it passes close to the surface along the back of the bone. Striking the medial epicondyle causes a tingling sensation in the ulnar nerve. This response is known as striking the "funny bone". [1]