Anterior Forearm, Fig 5 Arterial supply to the forearm via the radial and ulnar arteries. These movements are performed by two groups of muscles in the arm: the anterior compartment and the posterior compartment of the arm. Extension involves increasing the angle between the arm and forearm. Deep muscles: Apr 28, 2019 · There are 20 muscles separated into two compartments. Along the anterior of the forearm, the median and ulnar nerves supply nerve signals to the skin and to the flexor muscles of the hand and fingers. . Sep 19, 2023 · The anterior interosseus nerve, a branch of the median nerve, innervates this square-shaped muscle in the anterior compartment of the forearm. Study with Quizlet and memorize flashcards containing terms like Cubital Fossa Borders, Cubital Fossa Contents, Radial Artery- Origin and more. Oct 30, 2023 · Master arm and shoulder anatomy by studying this topic page at Kenhub. The anterior compartment contains the muscles that flex the forearm, hand, and fingers, while the posterior compartment contains the muscles that extend them. 52, pfvfj2ux9, 3cz, nnmt, rz1t, jmkc, hyy0, b80nvh, xd3, pjg89k,