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  2. Skeletal muscle pump - Wikipedia

    en.wikipedia.org/wiki/Skeletal_muscle_pump

    The skeletal muscle pump is vital in negating orthostatic intolerance when standing. [2] When moving upright, the blood volume moves to the peripheral parts of the body. To combat this, the muscles involved in standing contract and help to bring venous blood volume to the heart.

  3. Anatomical terms of muscle - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_muscle

    "Reverse motions" need antagonistic pairs located in opposite sides of a joint or bone, including abductor-adductor pairs and flexor-extensor pairs. These consist of an extensor muscle, which "opens" the joint (by increasing the angle between the two bones) and a flexor muscle, which does the opposite by decreasing the angle between two bones.

  4. List of reflexes - Wikipedia

    en.wikipedia.org/wiki/List_of_reflexes

    Shivering — shaking of the body in response to early hypothermia in warm-blooded animals. Sneeze or sternutation — a convulsive expulsion of air from the lungs normally triggered by irritation of the nasal mucosa in the nose. Startle-evoked movement — involuntary initiation of a planned movement in response to a startling stimulus ...

  5. Movement disorder - Wikipedia

    en.wikipedia.org/wiki/Movement_disorder

    Chorea (rapid, involuntary movement) Drug induced chorea: G25.4 Drug-induced tics and tics of organic origin 333.3 G25.6 Paroxysmal nocturnal limb movement G25.80 Painful legs (or arms), moving toes (or fingers) syndrome G25.81 Sporadic restless leg syndrome: G25.82 Familial restless leg syndrome G25.83 Stiff-person syndrome: 333.91 G25.84

  6. Muscle - Wikipedia

    en.wikipedia.org/wiki/Muscle

    The body mass of an average adult man is made up of 42% of skeletal muscle, and an average adult woman is made up of 36%. [6] Cardiac muscle tissue is found only in the walls of the heart as myocardium, and it is an involuntary muscle controlled by the autonomic nervous system. Cardiac muscle tissue is striated like skeletal muscle, containing ...

  7. Human musculoskeletal system - Wikipedia

    en.wikipedia.org/wiki/Human_musculoskeletal_system

    During starvation, the body uses the fat in yellow marrow for energy. [7] The red marrow of some bones is an important site for blood cell production, approximately 2.6 million red blood cells per second in order to replace existing cells that have been destroyed by the liver. [4] Here all erythrocytes, platelets, and most leukocytes form in ...

  8. Chorea - Wikipedia

    en.wikipedia.org/wiki/Chorea

    Chorea, or (rarely) choreia, (/ k ə ˈ r i ə /) is an abnormal involuntary movement disorder, characterized by quick movements of the hands or feet. It is one of a group of neurological disorders called dyskinesias. The term chorea is derived from Ancient Greek χορεία 'dance', as the movements of the body is comparable to dancing.

  9. Hemiballismus - Wikipedia

    en.wikipedia.org/wiki/Hemiballismus

    Hemiballismus or hemiballism is a basal ganglia syndrome resulting from damage to the subthalamic nucleus in the basal ganglia. [1] It is a rare hyperkinetic movement disorder, [2] that is characterized by pronounced involuntary limb movements [1] [3] on one side of the body [4] and can cause significant disability. [5]

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