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Hypothenar hammer syndrome (HHS) is a vascular occlusion in humans in the region of the ulna. It is caused by repetitive trauma to the hand or wrist (such as that caused by the use of a hammer) [ 2 ] by the vulnerable portion of the ulnar artery as it passes over the hamate bone , which may result in thrombosis , irregularity or aneurysm formation.
In occupational safety and health, hand arm vibrations (HAVs) are a specific type of occupational hazard which can lead to hand–arm vibration syndrome (HAVS). HAVS, also known as vibration white finger ( VWF ) or dead finger , [ 1 ] is a secondary form of Raynaud's syndrome , an industrial injury triggered by continuous use of vibrating hand ...
Symptoms and signs: Vascular (26 P) V. Vascular anomalies (15 P) ... Hypothenar hammer syndrome; I. Inferior vena cava syndrome; Inflammatory aortic aneurysm;
Ulnar neuropathy at the cubital tunnel is diagnosed based on characteristic symptoms and signs. Intermittent or static numbness in the small finger and ulnar half of the ring finger, weakness or atrophy of the first dorsal interosseous, positive Tinel sign over the ulnar nerve proximal to the cubital tunnel, and positive elbow flexion test (elicitation of paresthesia in the small and ring ...
Other symptoms patients with a TFCC injury frequently mention are: swelling, loss of grip strength, ... Hypothenar hammer syndrome (ulnar artery thrombosis)
"Hypothenar atrophy" is associated with the lesion of the ulnar nerve, which supplies the three hypothenar muscles. Hypothenar hammer syndrome is a vascular occlusion of this region. [ 3 ]
Palmar branch of ulnar nerve - arises from the middle part of the forearm and supplies the skin over the hypothenar eminence. [7] Dorsal branch of ulnar nerve - arises from 7.5 cm above the wrist, winds backwards to supply the skin of the proximal part of the ulnar one and half fingers and the adjoining area between the fingers. [6] [7]
In medicine, split hand syndrome is a neurological syndrome in which the hand muscles on the side of the thumb (lateral, thenar eminence) appear wasted, whereas the muscles on the side of the little finger (medial, hypothenar eminence) are spared.