forearm n : the part of the superior limb between the elbow and the wrist v : arm in advance of a confrontation

Forearm \Fore*arm"\, v. t. To arm or prepare for attack or resistance before the time of need. --South.

Forearm \Fore"arm`\, n. (Anat.) That part of the arm or fore limb between the elbow and wrist; the antibrachium.

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The forearm is the structure and distal region of the upper limb, between the elbow and the wrist. The term forearm is used in anatomy to distinguish it from the arm, a word which is most often used to describe the entire appendage of the upper limb but in anatomy, technically means only the region of the upper arm whereas the lower "arm" is called the forearm. It is homologous to the leg that lies between the knee and the ankle joints.

The forearm contains two long bones, the radius and the ulna, forming the radioulnar joint. The interosseous membrane connects these bones. Ultimately, the forearm is covered by skin, the anterior surface usually being less hairy than the posterior surface.

The forearm contains many muscles, including the flexors and extensors of the digits, a flexor of the elbow (brachioradialis), and pronators and supinators that turn the hand to face down or upwards, respectively. In cross-section the forearm can be divided into two fascial compartments. The posterior compartment contains the extensors of the hands, which are supplied by the radial nerve. The anterior compartment contains the flexors, and is mainly supplied by the median nerve. The ulnar nerve also runs the length of the forearm.

• Rob Gronkowski injury: Fourth forearm surgery successful
  Loading... Rob Gronkowski underwent his fourth forearm surgery Monday in an effort to clean out the infection in the arm, as well as replace a plate that was put in for support. Reports out of New England indicate that the surgery was a success, expediting the tight end's return to competition. Read more on this news related to 'Forearm'
• Gronkowski has 4th surgery on left forearm
  New England Patriots tight end Rob Gronkowski underwent a fourth surgery on his forearm Monday and doctors believe his previous infection is gone, a league source told ESPN NFL Insider Adam Schefter. Read more on this news related to 'Forearm'
• Gronkowski having fourth forearm surgery Monday
  New England Patriots tight end Rob Gronkowski will have an operation on his left forearm on Monday, according to the Boston Herald. Read more on this news related to 'Forearm'