Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle... 62 KB (7,394 words) - 18:12, 1 May 2024 |
Spasm (redirect from Muscle spasm) sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ, such as the bladder. A spasmodic muscle contraction may be caused by... 4 KB (350 words) - 16:46, 30 April 2024 |
disease called tetanus) is a sustained muscle contraction evoked when the motor nerve that innervates a skeletal muscle emits action potentials at a very high... 8 KB (725 words) - 20:01, 8 June 2023 |
Sliding filament theory (redirect from Sliding filament theory of muscle contraction) The sliding filament theory explains the mechanism of muscle contraction based on muscle proteins that slide past each other to generate movement. According... 20 KB (2,657 words) - 10:28, 5 May 2024 |
muscles, but nonetheless arise through activation of the central nervous system, albeit not engaging cortical structures until after the contraction has... 23 KB (2,395 words) - 16:15, 22 April 2024 |
to or interference with the different stages of muscle contraction. There are two main causes of muscle fatigue: the limitations of a nerve’s ability to... 21 KB (2,512 words) - 14:01, 2 April 2024 |
GLUT4 (section Muscle contraction) striated skeletal muscle cells, GLUT4 concentration in the plasma membrane can increase as a result of either exercise or muscle contraction. During exercise... 25 KB (2,937 words) - 17:58, 15 January 2024 |
case of TENS, the current is usually sub-threshold, meaning that a muscle contraction is not observed.[original research?] For people who have progressive... 30 KB (3,355 words) - 04:24, 2 March 2024 |
Myofilament (redirect from Muscle filament) and titin is an elastic protein. The myofilaments act together in muscle contraction, and in order of size are a thick one of mostly myosin, a thin one... 13 KB (1,711 words) - 18:04, 15 October 2023 |
slide past each other in a process called excitation-contraction coupling. Diseases of the heart muscle known as cardiomyopathies are of major importance... 42 KB (5,108 words) - 13:34, 28 April 2024 |
Muscular system (redirect from Muscle system) of small muscle fibers. Each fiber comprises many tiny strands called fibrils, impulses from nerve cells control the contraction of each muscle fiber. Skeletal... 15 KB (1,733 words) - 09:20, 10 March 2024 |
isotonic contraction, tension remains the same, whilst the muscle's length changes. Isotonic contractions differ from isokinetic contractions in that in... 5 KB (560 words) - 21:11, 9 February 2023 |
the production of an electrical impulse (action potential) to the contraction of muscles in the heart. This process is of vital importance as it allows for... 11 KB (1,408 words) - 21:41, 13 November 2023 |
Tension headache (redirect from Muscle contraction headaches) usually radiates from the lower back of the head, the neck, eyes or other muscle groups in the body typically affecting both sides of the head. Tension-type... 33 KB (3,324 words) - 16:52, 24 February 2024 |
Isolytic contraction is when a muscle contracts while external forces cause it to lengthen. For example, during a controlled lowering of the weight in... 945 bytes (92 words) - 10:33, 27 May 2020 |
Myofibril (redirect from Muscle fibril) along the length of the myofibril in sections or units of contraction called sarcomeres. Muscles contract by sliding the thick myosin, and thin actin myofilaments... 10 KB (1,235 words) - 19:06, 19 December 2023 |
Neuromuscular junction (redirect from Skeletal muscle junction) motor neuron and a muscle fiber. It allows the motor neuron to transmit a signal to the muscle fiber, causing muscle contraction. Muscles require innervation... 33 KB (4,031 words) - 08:04, 30 April 2024 |
Fasciculation (redirect from Muscle twitch) A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. They are common, with... 10 KB (894 words) - 00:26, 6 February 2024 |
The actions of the six muscles responsible for eye movement depend on the position of the eye at the time of muscle contraction. Since only a small part... 28 KB (2,275 words) - 21:20, 3 May 2024 |
the cell, causing a depolarization of the end plate, resulting in muscle contraction. Following depolarization, the acetylcholine molecules are then removed... 29 KB (3,122 words) - 16:58, 3 April 2024 |
why these intermittent uterine muscle contractions may be occurring. The first is that these early “practice contractions” could be helping to prepare the... 7 KB (678 words) - 16:11, 11 March 2024 |
Sarcomere (section Contraction) access to the actin cross-bridge binding sites, permitting muscle contraction. Muscle contraction ends when calcium ions are pumped back into the sarcoplasmic... 12 KB (1,553 words) - 21:43, 10 March 2024 |
arrector pili muscles, also known as hair erector muscles, are small muscles attached to hair follicles in mammals. Contraction of these muscles causes the... 6 KB (604 words) - 09:24, 14 March 2024 |
independence, in probability Contraction (logic), a structural rule in proof theory Muscle contraction, the physiological condition of a muscle which generates tension... 2 KB (307 words) - 11:57, 22 July 2022 |
Eccentric training (section Muscle injury) eccentric contraction is the motion of an active muscle while it is lengthening under load. Eccentric training is repetitively doing eccentric muscle contractions... 34 KB (4,357 words) - 13:27, 2 March 2024 |