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*  Vascular smooth muscle
... contraction of the vascular smooth muscle cells decreasing the diameter of the vessels). α 1 {\displaystyle \alpha _{1}} ... Vascular smooth muscle refers to the particular type of smooth muscle found within, and composing the majority of the wall of ... Vascular smooth muscle refers to the particular type of smooth muscle found within, and composing the majority of the wall of ... Mural cell Image of smooth muscle in the arterial walls Smooth muscle in stomach wall. ...
*  Cortical stimulation mapping
Stimulation on one side of the brain will cause a contraction on the contralateral, or opposite, side of the body. More recent ... When the precentral gyrus of the frontal lobe is stimulated, specific muscles in the body will contract based on the location ... such as a muscle movement) can be tested. Current intensity is usually set around bursts of 1 mA to begin and gradually ... the depth of the anesthesia can affect the outcome because if the levels of muscle relaxation are too high due to neuromuscular ...
*  Muscle contraction
In contrast, a muscle contraction is isotonic if muscle length changes but the muscle tension remains the same. If the muscle ... The mechanisms of contraction in these muscle tissues are similar to those in skeletal muscle tissues. Muscle contractions can ... Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does ... This occurs when a muscle's force of contraction matches the total load on the muscle. In concentric contraction, muscle ...
*  Isolytic muscle contraction
Isolytic contraction is when a muscle contracts while external forces cause it to lengthen. For example, during a controlled ... lowering of the weight in a biceps curl, the biceps are undergoing isolytic contraction. In osteopathic manipulative medicine, ...
*  Vertebral subluxation
Psychogenic hypothesis: emotions, such as stress, causing contraction in skeletal muscles. The vertebral subluxation has been ... muscle contraction or imbalance; altered physiological function; reversible with adjustment/manipulation; focal tenderness. ... Most of these go to muscles and are therefore called motor impulses; some are secretory and enter glands; a portion are ... They injected hypertonic saline into interspinous tissues and paraspinal muscles of normal volunteers for the purpose of ...
*  Coronary catheterization
... heart muscle contraction performance; and some aspects of heart valve function. Important internal heart and lung blood ... Less frequently, valvular, heart muscle, or arrhythmia issues are the primary focus of the test. Coronary artery luminal ...
*  T-tubule
... excitation-contraction coupling). When contraction of a muscle is needed, stimulation from a nerve or an adjacent muscle cell ... They are found in ventricular muscle cells in most species, and in atrial muscle cells from large mammals. In cardiac muscle ... The very brief time lag between stimulating a striated muscle cell and its subsequent contraction was too short to have been ... Muscle contraction Hong, TingTing; Shaw, Robin M. (2017-01-01). "Cardiac T-Tubule Microanatomy and Function". Physiological ...
*  Meige's syndrome
... involuntary contractions may involve the muscles used for chewing (masticatory muscles). These may include the thick muscle in ... temporalis muscle). Some patients may also experience involuntary contractions of the wide muscle at the side of the neck ( ... platysmal muscle). This muscle draws down the corner of the mouth and lower lip or other muscle groups. Meige's is commonly ... The Greek word blepharon means "eyelid". Spasm means "uncontrolled muscle contraction". The term blepharospasm ['blef-a-ro-spaz ...
*  James Spudich
Spudich JA, Huxley HE, Finch J (1972). "Regulation of skeletal muscle contraction. II. Structural studies of the interaction of ... Spudich JA, Watt S (1971). "The Regulation of Rabbit Skeletal Muscle Contraction". Journal of Biological Chemistry. 246 (15): ... of Biochemistry and of Cardiovascular Disease at Stanford University and works on the molecular basis of muscle contraction. He ...
*  Voltage-gated calcium channel
The muscles then contract through the sliding filament mechanism, causing shortening of sarcomeres and muscle contraction. ... "Thromboxane A2-induced contraction of rat caudal arterial smooth muscle involves activation of Ca2+ entry and Ca2+ ... Webb RC (2003). "Smooth muscle contraction and relaxation". Adv Physiol Educ. 27 (1-4): 201-6. doi:10.1152/advan.00025.2003. ... When these cells are depolarized, the L-type calcium channels open as in smooth muscle. In skeletal muscle, the actual opening ...
*  Snake venom
They bind to particular sites on the surface of muscle cells and cause depolarisation ==> the toxin prevents muscle contraction ... This causes tetany (involuntary muscle contraction), which can lead to death. The toxins have been called fasciculins since ... rapid muscle contractions). Snake example: found mostly in venom of mambas (Dendroaspis spp.) and some rattlesnakes (Crotalus ... Instead of the muscles of the temporal region serving to press out the venom into the duct, this action is performed by those ...
*  Vasodilation
Webb, RC (December 2003). "Smooth muscle contraction and relaxation". Advances in Physiology Education. 27 (1-4): 201-6. doi: ... However, it has been shown that knocking out this sympathetic stimulation plays little or no role in whether skeletal muscle is ... Vasodilation works to decrease TPR and blood pressure through relaxation of smooth muscle cells in the tunica media layer of ... It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins (called ...
*  Human musculoskeletal system
Muscle contraction is stimulated by the motor neuron sending a message to the muscles from the somatic nervous system. ... Cardiac muscles are found in the heart and are used only to circulate blood; like the smooth muscles, these muscles are not ... Bárány, Michael (2002). "SMOOTH MUSCLE". Retrieved 2008-11-19. "The Mechanism of Muscle Contraction". Principles of Meat ... Skeletal muscles are attached to bones and arranged in opposing groups around joints. Muscles are innervated, to communicate ...
*  Cardiac contractility modulation
... they neither trigger muscle contractions nor cause activation of additional muscle fibers. Accordingly, the heart's electrical ... This increases the muscle contraction strength. Additionally, within minutes, cell metabolism and gene expression, which are ... In this phase of the cardiac cycle, electrical signals cannot trigger new cardiac muscle contractions, hence this type of ... A pocket is formed under the skin or chest muscle below the clavicle of the patient in order to implant the pulse generator. ...
*  Hill's muscle model
Muscle contraction Hill, A.V. (October 1938). "The heat of shortening and dynamics constants of muscles". Proc. R. Soc. Lond. B ... In biomechanics, Hill's muscle model refers to either Hill's equations for tetanized muscle contraction or to the 3-element ... Therefore, the higher the load applied to the muscle, the lower the contraction velocity. Similarly, the higher the contraction ... This is a popular state equation applicable to skeletal muscle that has been stimulated to show Tetanic contraction. It relates ...
*  Protein-protein interaction
Physiology of muscle contraction involves several interactions. Myosin filaments act as molecular motors and by binding to ... ISBN 0-87893-106-6. [page needed] MacPherson RE, Ramos SV, Vandenboom R, Roy BD, Peters SJ (April 2013). "Skeletal muscle PLIN ... Furthermore, members of the skeletal muscle lipid droplet-associated proteins family associate with other proteins, as ... to regulate lipolysis in skeletal muscle. To describe the types of protein-protein interactions (PPIs) it is important to ...
*  List of flexors of the human body
Flexion is typically instigated by muscle contraction. A muscle that flexes a joint is called a flexor. of forearm at elbow ... Psoas major Iliacus muscle Anterior compartment of thigh Rectus femoris (part of the quadriceps muscle group) Sartorius One of ... torso/lumbar vertebrae Rectus abdominis muscle neck at atlanto-occipital joint Longus capitis muscle Anderson, Kenneth N.; et ... Collectively known as the iliopsoas or inner hip muscles: ... the gluteal muscles: Tensor fasciae latae Medial compartment of ...
*  F1 (classification)
A 0 is for no muscle contraction. A 1 is for a flicker or trace of contraction in a muscle. A 2 is for active movement in a ... muscle strength is tested using the bench press for a variety of spinal cord related injuries with a muscle being assessed on a ... In 2002, USA Track & Field defined this class as, "These athletes have no hand function, are unable to use the muscles that ... The sixth test measures the trunk extension involving the lumbar and dorsal muscles while leaning forward at a 45 degree angle ...
*  Troponin
... that is integral to muscle contraction in skeletal muscle and cardiac muscle, but not smooth muscle . Discussions of troponin ... and contraction of the muscle begins. Troponin is found in both skeletal muscle and cardiac muscle, but the specific versions ... playing the main role in Ca2+ dependent regulation of muscle contraction. TnT and TnI in cardiac muscle are presented by forms ... In a relaxed muscle, tropomyosin blocks the attachment site for the myosin crossbridge, thus preventing contraction. When the ...
*  Robert V. Rice
37: Mechanism of Muscle Contraction" (PDF). Cold Spring Harbor Symposium on Quantitative Biology. Retrieved 8 Feb 2015. ... His research focused on the biochemistry and cellular physiology of muscle contraction and nerve transmission. In retirement he ... 1990). Tissue culture of squid neurons, glia, and muscle cells. pp. 195-212. In: D.L. Gilbert, W.J. Adelman and M. Arnold (eds ... Kelly, R.E. and R.V. Rice (1968). Localization of myosin filaments in smooth muscle. Journal of Cell Biology 37(1):105-116. ...
*  F8 (classification)
A 0 is for no muscle contraction. A 1 is for a flicker or trace of contraction in a muscle. A 2 is for active movement in a ... muscle strength is tested using the bench press for a variety of spinal cord related injuries with a muscle being assessed on a ... A 5 is for normal muscle movement. Paralympics portal National Governing Body for Athletics of Wheelchair Sports, USA. Chapter ... poke and prod their muscles with their hands and with pins. The system had no built in privacy safeguards and players being ...
*  Blebbistatin
At the organ level blebbistatin stops the contraction of skeletal muscle or heart muscle. Blebbistatin has also been found to ... It is widely used in research to inhibit heart muscle, non-muscle myosin II, skeletal muscle. However, its adverse ... contraction of skinned tracheal muscles from guinea pig". Journal of Smooth Muscle Research. 49: 89-98. doi:10.1540/jsmr.49.89 ... "Potent Inhibition of Arterial Smooth Muscle Tonic Contractions by the Selective Myosin II Inhibitor, Blebbistatin". Journal of ...
*  Erotic electrostimulation
EMS units are designed to cause muscle contraction. An increasing number of "body toner" or "electromassage"-type power sources ... electrical muscle stimulation) units. Some people soon found alternative uses for the Relax-A-Cizors by placing the contacts on ... which was originally designed to stimulate the muscles of a relaxing subject using electric currents as a means of "passive ...
*  Sodium nitroprusside
Myosin light chains are involved in muscle contraction. The end result is vascular smooth muscle relaxation, which allow ... NO activates guanylate cyclase in vascular smooth muscle and increases intracellular production of cGMP. cGMP activates protein ... which acts preferentially at venous smooth muscle) as a result of its breakdown to nitric oxide (NO). Sodium nitroprusside ... Apprehension Restlessness Confusion Dizziness Headache Somnolence Rash Sweating Thyroid suppression Muscle twitch Oliguria ...
*  Glucose-1,6-bisphosphate synthase
6. increases in concentration during skeletal muscle contraction. 7. dephosphorylation yields glucose-6-phosphate, which is an ... 6-bisphosphate content in rat skeletal muscle during contraction". Biochem. J. 240 (3): 747-51. PMC 1147482 . PMID 3827864. Yip ... 6-bisphosphate in human skeletal muscle during isometric contraction". Biochem. J. 258 (3): 915-8. PMC 1138452 . PMID 2730576. ... Cowgill RW (December 1959). "Lobster muscle phosphorylase: purification and properties". J. Biol. Chem. 234: 3146-53. PMID ...
*  Atrioventricular node
Contraction of heart muscle cells requires depolarization and repolarization of their cell membranes. Movement of ions across ...
*  Calmodulin
... ultimately causing smooth muscle contraction. In order to activate contraction of smooth muscle, the head of the myosin light ... This MLC Kinase is activated by a calmodulin when it is bound by calcium, thus making smooth muscle contraction dependent on ... Another way that calmodulin affects muscle contraction is by controlling the movement of Ca2+ across both the cell and ... Walsh, M. P. (1994-06-15). "Calmodulin and the regulation of smooth muscle contraction". Molecular and Cellular Biochemistry. ...