Category: Health A – Z

  • Hand Palmaris Longus Muscle – Anatomy, Nerve Supply

    Hand Palmaris Longus Muscle (PL), a phylogenetically degenerated flexor muscle of the metacarpophalangeal joint, takes origin from the medial epicondyle of the humerus as a common flexor origin, and converges distally as a long tendon which crosses the flexor retinaculum superficially. The Tendon of the Palmaris longus crosses the retinaculum and fans out as a flat

  • Flexor Pollicis Longus – Anatomy, Nerve Supply, Function

    The flexor pollicis longus is a muscle in the forearm and hand that flexes the thumb. It lies in the same plane as the flexor digitorum profundus. This muscle is unique to humans, being “either rudimentary or absent” in other primates.[rx] The flexor pollicis longus (FPL) muscle is one of the three deep flexors of the volar compartment of the forearm. Originating on the

  • Nerve Compression Syndromes – Causes, Symptoms, Treatment

    Nerve Compression Syndromes of the hand present with various signs and symptoms that correspond to the nerve involved and its anatomic distribution. There are three nerves and their corresponding branches that provide sensory and motor innervation to the hand that include the median, ulnar, and radial. An understanding of the anatomy and distribution of these

  • Forearm Compartment Syndrome – Causes, Symptoms, Treatment

    Forearm Compartment Syndrome/Compartment Syndrome is a condition in which increased tissue pressure within a limited space compromises the circulation and function of the contents of that space. This happens when pressure is elevated over a certain level for some time sufficient to reduce capillary perfusion. The inadequate tissue perfusion then leads to inadequate tissue oxygenation

  • Compartment Syndrome – Causes, Symptoms, Treatment

    Compartment Syndrome is a condition in which increased tissue pressure within a limited space compromises the circulation and function of the contents of that space. This happens when pressure is elevated over a certain level for some time sufficient to reduce capillary perfusion. The inadequate tissue perfusion then leads to inadequate tissue oxygenation to the

  • Arm Muscles and Nerve – Anatomy, Nerve Supply, Functions

    Arm Muscles and Nerve /Brachium is a Latin word meaning the upper arm. This part of the upper limb contains powerful muscles that carry a considerable portion of the upper limb function. Also, vital peripheral nerves pass through the upper limb, namely the brachial plexus neurons. The brachial artery is the single most important blood

  • Ischemic Stroke Syndromes – Causes, Symptoms, Treatment

    Ischemic stroke syndromes have a multitude of possible causes, characterized by a rule of quarters: 25% cardioembolic, 25% artery embolic (large-artery disease), 25% lacunar (small-vessel disease), and 25% due to other causes, with global variation in proportions by population.[rx] In contrast, acute coronary syndromes are overwhelmingly due to rupture or erosion of an atherosclerotic plaque,

  • Ischemic Stroke – Causes, Symptoms, Diagnosis, Treatment

    Ischemic stroke syndromes have a multitude of possible causes, characterized by a rule of quarters: 25% cardioembolic, 25% artery embolic (large-artery disease), 25% lacunar (small-vessel disease), and 25% due to other causes, with global variation in proportions by population.[rx] In contrast, acute coronary syndromes are overwhelmingly due to rupture or erosion of an atherosclerotic plaque,

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  • Extensor Compartment Deep Muscle of Forearm

    Extensor Compartment Deep Muscle of Forearm is also known as the extensor compartment since the muscles primarily function to extend the wrist and digits of the hand. The posterior compartment of the forearm contains a superficial and deep muscle group. The superficial group includes the extensor digitorum communis, extensor digiti minimi, extensor carpi ulnaris, and

  • Cutaneous Crohn Disease – Causes, Symptoms, Treatment

    Cutaneous Crohn Disease/Crohn’s disease, a well-known subtype of inflammatory bowel disease, is an inflammatory condition of the gastrointestinal tract with numerous possible extra-intestinal manifestations. Approximately 40% of all patients affected by Crohn’s disease experience at least one extra-intestinal manifestations of the disease, with the skin being the most common site of extra-intestinal involvement. Other common

  • Lofgren Syndrome – Causes, Symptoms, Treatment

    Lofgren Syndrome is a clinically distinct phenotype of sarcoidosis, first described in 1946 by Swedish pulmonologist Sven Lofgren. Sarcoidosis is a multisystem granulomatous disorder of unknown etiology that commonly involves the lungs with the second most commonly affected organ being the skin.[1] Cutaneous manifestations of sarcoidosis are seen in up to 33% of patients and may

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