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*  Neuroscience of rhythm
Salenius, S. (1997). "Cortical control of human motoneuron firing during isometric contraction". Journal of Neurophysiology. 77 ... electroencephalography to study functional coupling between cortical activity and electromyograms during voluntary contractions ...
*  Neural oscillation
1997). "Cortical control of human motoneuron firing during isometric contraction". J Neurophysiol. 77 (6): 3401-3405. PMID ... A tremor is an involuntary, somewhat rhythmic, muscle contraction and relaxation involving to-and-fro movements of one or more ... Although all of the heart's cells have the ability to generate action potentials that trigger cardiac contraction, the ...
*  Muscle contraction
Muscle contractions can be described based on two variables: length and tension. A muscle contraction is described as isometric ... then the contraction is a tetanus. Length-tension relationship relates the strength of an isometric contraction to the length ... An isometric contraction of a muscle generates tension without changing length. An example can be found when the muscles of the ... In an isotonic contraction, the muscle length can either shorten to produce a concentric contraction or lengthen to produce an ...
*  Motor unit
PhysiologicalContraction speed in Isometric contractions Rate of rise of force Time to peak of a twitch contraction (response ... This is tested by determining the recruitment threshold of a motor unit during isometric contraction in which the force is ... "The orderly recruitment of human motor units during voluntary isometric contractions" (PDF). J. Physiol. 230 (2): 359-70. PMC ... "Some Properties of Motor Unit Action Potential Trains Recorded during Constant Force Isometric Contractions in Man". Kybernetik ...
*  Osteopathic manipulation
This resistance against the patient's motion allows for isometric contraction of the patient's muscle. Once the patient relaxes ... The repetition of alternating cycles of contraction and subsequent relaxation help the treated muscle improve its range of ... Muscle energy techniques address somatic dysfunction through stretching and muscle contraction. For example, if a person is ...
*  Glucose-1,6-bisphosphate synthase
6-bisphosphate in human skeletal muscle during isometric contraction". Biochem. J. 258 (3): 915-8. PMC 1138452 . PMID 2730576. ... 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 ...
*  Skeletal muscle
"Fatigue effects on the electromechanical delay components during the relaxation phase after isometric contraction". Acta ... Slow twitch fibers produce 10 to 30 contractions per second (10 to 30 Hz). Fast twitch fibers produce 30 to 70 contractions per ... Contraction-induced changes in intracellular calcium or reactive oxygen species provide signals to diverse pathways that ... Antagonism in the transmission of nerve impulses to the muscles means that it is impossible to fully stimulate the contraction ...
*  Delayed onset muscle soreness
Soreness can theoretically be avoided by limiting exercise to concentric and isometric contractions. But eccentric contractions ... In one study, a first bout of 10, 20 or 50 contractions provided equal protection for a second bout of 50 contractions three ... Isometric (static) exercise causes much less soreness, and concentric (shortening) exercise causes none. The mechanism of ... This theory has been largely rejected, as concentric contractions which also produce lactic acid have been unable to cause DOMS ...
*  Aging movement control
Oct 2008). "Recovery from supraspinal fatigue is slowed in old adults after fatiguing maximal isometric contractions". J Appl ... Isometric strength and physical cross-sectional area of the elbow flexors and elbow extensors are reduced in old compared with ... Compared to the young group, the old group has lower dorsiflexors isometric torque at all angles, has lower knee extensors ... However, for the maximal effort contractions, there is an appreciable difference in discharge rates between the two age groups ...
*  Intermuscular coherence
The frequency content of common synaptic inputs to motoneurones studied during voluntary isometric contraction in man. The ...
*  Visual impairment due to intracranial pressure
"Intra-ocular pressure changes during maximal isometric contraction: does this reflect intra-cranial pressure or retinal venous ... Movaffaghy, A.; Chamot, S.R.; Petrig, B.L.; Riva, C.E. (1998). "Blood Flow in the Human Optic Nerve Head during Isometric ... Marcus, DF; Edelhauser, HF; Maksud, MG; Wiley, RL (September 1974). "Effects of a sustained muscular contraction on human ... "The Comparison of Intraocular Pressure Reductions after Isometric and Isokinetic Exercises in Normal Individuals". ...
*  Retinal detachment
"Intra-ocular pressure changes during maximal isometric contraction: does this reflect intra-cranial pressure or retinal venous ...
*  Hill's muscle model
During isometric contractions the series elastic component is under tension and therefore is stretched a finite amount. Because ... Therefore, the higher the load applied to the muscle, the lower the contraction velocity. Similarly, the higher the contraction ... is the velocity of contraction F 0 {\displaystyle F_{0}} is the maximum isometric tension (or load) generated in the muscle a ... Muscle contraction Hill, A.V. (October 1938). "The heat of shortening and dynamics constants of muscles". Proc. R. Soc. Lond. B ...
*  Tibialis anterior muscle
... concentric contraction). It also functions to 'lock' the ankle, as in toe-kicking a ball, when held in an isometric contraction ... It functions to stabilize the ankle as the foot hits the ground during the contact phase of walking (eccentric contraction) and ...
*  Soleus muscle
"Influence of structure on the tissue dynamics of the human soleus muscle observed in MRI studies during isometric contractions ... "Differential displacement of the human soleus and medial gastrocnemius aponeuroses during isometric plantar flexor contractions ...
*  Work loop
For example, a muscle that generates force without changing length (isometric contraction) will show a vertical line 'work loop ... To elicit muscle contraction, the muscle is stimulated by a series of electrical pulses delivered by an electrode to stimulate ... This technique is primarily used for cyclical contractions such as the rhythmic flapping of bird wings or the beating of heart ... In 1960, the work loop method was introduced to explore muscle contractions of both variable speed and variable force. These ...
*  Isometric exercise device
Flexibility may be increased when isometrics are performed at joint range of motion extremes. These isometric contractions ... Public domain pamphlets on isometric exercises Isometric exercises tutorial Alexander Zass Example of an isometric exercise ... Isometric exercise tools perform exercises or strength test using static contraction of a muscle without any visible movement ... Isometric exercises have some differences in training effect as compared to dynamic exercises. While isometric training ...
*  Sotai
Using the effects of an isometric contraction followed by a sudden relaxation (post-isometric relaxation) can normalise the ... Close to the end of the movement the practitioner will build up a light resistance which ends in an isometric contraction. The ... a contracted myofibril will lose its holding pattern during the post-isometric phase of movement. Hayashi in his Reader, 2nd ed ...
*  Muscle fatigue
In the case of fatigue in a 30-second isometric contraction, the first window may be the first second, the second window might ... After a period of maximum contraction, the nerve's signal reduces in frequency and the force generated by the contraction ... and isometric contractions), vertical jump heights, other field tests of lower body power, reduced throwing velocities, reduced ... reducing their inhibition of contraction and leaving potassium ions as the only restricting influence on muscle contractions, ...
*  Lordosis
To help with lifts, the concept of isometric contraction, during which the length of muscle remains the same during contraction ...
*  Reduced muscle mass, strength and performance in space
were able to maintain isometric peak torque in subjects who performed daily maximal isometric contractions of the knee ... Eccentric contractions are actions of the muscle in which force is generated while the muscle is lengthening, as opposed to the ... After 17 days of spaceflight or bed rest, no significant measurable changes occurred in maximal isometric calf strength, force- ... Bamman and colleagues observed losses of 18, 17, and 13% in concentric, eccentric, and isometric plantar flexor peak torque, ...
*  Muscle energy technique
The patient's isometric contraction has the correct amount of force, the correct direction of effort (away from the restrictive ... As the patient performs an isometric contraction, the following physiologic changes occur: Golgi tendon organ activation ...
*  Physical strength
... an isometric contraction). Manual calculations are usually performed using the top-down analysis on a six or seven-link model, ...
*  Subacromial bursitis
The patient performs an isometric flexion contraction against resistance of the therapist (Speed's Test). When the therapist's ...
*  Eccentric training
... the other two are an isometric contraction (no movement), and a concentric contraction (contracting). Eccentric training ... Eccentric contraction may result in delayed onset muscle soreness however; the contraction itself does not cause muscle damage ... the biceps are in a state of contraction to control the rate of descent of the dumbbell). An eccentric contraction is one of ... Eccentric contractions use less energy and actually absorb energy that will be used as heat or elastic recoil for the next ...
*  Frank-Starling law
The greatest isometric active tension is developed when a muscle is at its optimal length. In most relaxed skeletal muscle ... Premature ventricular contraction causes early emptying of the left ventricle (LV) into the aorta. Since the next ventricular ... Due to the Frank-Starling mechanism, the next ventricular contraction is more forceful, leading to the ejection of the larger ... The stretching of the muscle fibers augments cardiac muscle contraction by increasing the calcium sensitivity of the myofibrils ...