Tea Tree Oil Properties and Scalp Benefits. Tea tree oil is a good natural antibacterial disinfectant. It comes from tea tree leaves. It has been used for thousands of years. It has gotten a lot of attention over the last few years and studies have shown that it indeed does have many benefits for the scalp and the skin.
The radial nerve originates as a terminal branch of the posterior cord of the brachial plexus. It goes through the arm, first in the posterior compartment of the arm, and later in the anterior compartment of the arm, and continues in the posterior compartment of the forearm.t is commonly believed that the radial nerve also provided motor innervation to the long head of the triceps. However, a study conducted in 2004 determined that, in 20 cadaveric specimens and 15 surgical dissections on participants, the long head was innervated by a branch of the axillary nerve in all cases.
1 The deep branch of the radial nerve is affected, so the muscles in the posterior compartment of the forearm are paralysed. 2  The patient is unable to extend the wrist and fingers. 3  Unopposed flexion of wrist occurs, known as wrist drop.o enter the forearm, the radial nerve moves anteriorly over the lateral epicondyle of the humerus, through the cubital fossa. Within the forearm, the nerve terminates by dividing into two branches: 1  Deep branch â A motor branch.