In medicine,<unk>  or the<unk> <unk>  is a medical sign used in physical examination of arterial blood flow to the hands. It was named for Edgar Van Nuys<unk> , who described the original version of the<unk>  in 1942. An altered<unk> , first suggested by Irving S Wright in 1952, has almost universally replaced the original method in contemporary medical practice. The alternative method is often referred to as the modified<unk>  or modified<unk> <unk> .
Allen's test
Cozen's test
Heaf test
Nardi test
Schiller's test
Elek's test
Ober's test
Gaenslen's test