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The flexor carpi ulnaris muscle (FCUM), positioned most medially in the forearm, belongs to the superficial flexor group of muscles (5).
noun. car· pus ˈkär-pəs. plural carpi -ˌpī, -ˌpē. 1. : wrist. 2. : the group of bones supporting the wrist comprising in humans a proximal row which contains the scaphoid, lunate, triquetrum, and pisiform that articulate with the radius and a distal row which contains the trapezium, trapezoid, capitate, and hamate that articulate with ...
Flexor carpi radialis is a fusiform muscle located in the anterior forearm. It belongs to the superficial layer of the anterior forearm compartment, along with the pronator teres, flexor carpi ulnaris, palmaris longus and flexor digitorum superficialis muscles.
The carpal bones, also known as the carpus (plural: carpi), are the eight bones of the wrist that form the articulation of the forearm with the hand. They are usually divided into two rows: The names and order of these bones can be remembered through various mnemonics.
Extensor carpi radialis longus primarily acts on the wrist joint to produce two major actions: Wrist extension by working synergistically with extensor carpi radialis brevis and extensor carpi ulnaris. Hand abduction (radial deviation), with the help of flexor carpi radialis.
The carpal bones (Latin: ossa carpi) are eight small and irregularly shaped bones located in the wrist area. These bones are arranged into two rows named the proximal and distal rows. Each row is composed of four carpal bones.
Extensor carpi ulnaris is a fusiform muscle in the posterior forearm. It spans between the elbow and base of the little finger. This muscle belongs to the superficial forearm extensor group, along with anconeus, brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum and extensor digiti minimi muscles.