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The forearm is the region of the upper limb between the elbow and the wrist. [1] The term forearm is used in anatomy to distinguish it from the arm , a word which is used to describe the entire appendage of the upper limb, but which in anatomy, technically, means only the region of the upper arm, whereas the lower "arm" is called the forearm.
Injuries to the arm, forearm or wrist area can lead to various nerve disorders. One such disorder is median nerve palsy. The median nerve controls the majority of the muscles in the forearm. It controls abduction of the thumb, flexion of hand at wrist, flexion of digital phalanx of the fingers, is the sensory nerve for the first three fingers, etc.
All vertebrate forelimbs are homologous, meaning that they all evolved from the same structures. For example, the flipper of a turtle or of a dolphin, the arm of a human, the foreleg of a horse, and the wings of both bats and birds are ultimately homologous, despite the large differences between them. [1]
However, in common, literary, and historical usage, arm refers to the entire upper limb from shoulder to wrist. This article uses the former definition; see upper limb for the wider definition. [8] In primates, the arm is adapted for precise positioning of the hand and thus assist in the hand's manipulative tasks. The ball and socket shoulder ...
Localised deep pain, ranging from mild to excruciating; sometimes a dull ache, but rarely a sharp pain; Pain aggravated by active and passive motion of the joint; Pain which may be reduced by bending the joint to find a more comfortable position; Pain occurring immediately on surfacing or up to many hours later; Cutaneous Skin
Compartment syndrome is a clinical diagnosis, meaning that a medical provider's examination and the patient's history usually give the diagnosis. [14] Apart from the typical signs and symptoms, measurement of intracompartmental pressure can also be important for diagnosis.
Just breathing deeply for a few minutes (or even meditating), taking a walk during your lunch break, or a hot bath after work can help rejuvenate your body and mind. 6. You’re not sleeping well
Limbs are attached to the torso via girdles, either the pectoral girdle for the forelimbs, or the pelvic girdle for the hindlimbs.In terrestrial tetrapods, the pectoral girdles are more mobile, floating over the rib cage connected only via the clavicles (to the sternum) and numerous muscles; while the pelvic girdles are typically fused together anteriorly via a fibrocartilaginous joint and ...