Mechanism of muscle contraction
A circuit mechanism for the propagation of waves of muscle contraction in Drosophila
... of contraction, which is being stretched by the pull exerted by the contracting segment (Figure 8—figure supple- ment ...the contraction in the segment ahead of the wave (via activation of A27h), and ...
23
Voltage sensing mechanism in skeletal muscle excitation-contraction coupling: coming of age or midlife crisis?
... skeletal muscle contraction had been stud- ied from several angles [20, ...21]. Muscle biologists and physiologists were working collectively trying to de- cipher the details of the machinery that ...
20
The role of titin in eccentric muscle contraction
... upon muscle activation and that this increases titin’s stiffness, and thus its force when muscles are stretched (Labeit et ...skinned muscle fibres, was confirmed when calcium activation was shown to ...
9
In vivo myograph measurement of muscle contraction at optimal length
... pre-stretching mechanism is suspended to the axle of the apparatus (see 5 in ...the muscle length is isometrically ...the muscle an adjustable friction clutch (8) is installed in the ...stopping ...
10
Peripheral control of the gain of a central synaptic connection between antagonistic motor neurones in the locust
... extensor muscle contraction can sum with the central excitatory postsynaptic potential (EPSP) to augment its falling phase if the tibia is restrained in the flexed position (initiating a tension-dependent ...
13
Preliminary study of muscle contraction assessment by NIR spectroscopy
... In particular, for each subject the median frequency derived from the power spectral density each spectrum was calculated over a 0.5 sec period 62 Downloaded From: http://proceedings.spi[r] ...
7
Interleukin 1 inhibits contraction of vascular smooth muscle
... removed. Contractions caused by potassium depolarization also were depressed, indicating the effect of IL-1 is not specific to the alpha-adrenoceptor agonist. The inhibitory effect of IL- 1 was concentration-dependent ...
6
The effects of prostaglandin F2α on the force / calcium relationship in pregnant rat myometrium
... These properties of myometrial contractility can account for the three types of spontaneous activity found in pregnant rat longitudinal smooth muscle; normal phasic activity, irregular activity and quiescent ...
229
Biomechanical paradigm and interpretation of female pelvic floor conditions before a treatment
... and muscle function in patients’ diseased conditions that are accompanied by changes in mechanical properties and often physiologic ...and muscle function and uses the information to determine the best ...
30
Mode of action of a Drosophila FMRFamide in inducing muscle contraction
... increases expression of the inhibitory peptide and decreases CaMKII activity by 90–100%. Exposing ala1 flies to an hour-long heat shock (37°C, which has been shown to decrease CaMKII activity by 70–100%) (Griffith et ...
12
The influence of temperature on the mechanics and energetics of contraction in fish muscle
... flight muscle of the tobacco hawkmoth (Manduca sexta )t increases with temperature (Stevenson and Josephson, ...of muscle action potentials per cycle decreases with increasing swimming speed ...
261
Ultrasound evaluation in combination with finger extension force measurements of the forearm musculus extensor digitorum communis in healthy subjects
... the muscle architecture in men and women. The men had a larger muscle volume, muscle CSA, muscle thickness, longer fascicles and larger pennation ...bipennate muscle where the range of ...
10
A Review of EMG recording technique
... fibers. Muscle potentials are observed and measured on an ...skeletal muscle we can monitor the electrical activity of the ...the contraction of the ...the muscle spikes covers a bandwidth ...
10
Revised Ch48 Ch50.pptx
... • The stimulus leading to contraction of a muscle fiber is an action potential in a motor neuron that makes a synapse with the muscle fiber. • The synaptic terminal of the motor neuron[r] ...
100
Mitogenic effect of lysosomal hydrolases on bovine tracheal myocytes in culture
... As proliferation of respiratory smooth muscle cells may be directly related to the muscle contraction and airway hyperreactivity, we hypothesized lysosomal hydrolases released by airway [r] ...
8
Skeletal muscle contraction time is an important factor in the muscle damage response in kickboxing athletes
... brachii muscle, extracted by TMG and found a decrease in TMG amplitude and increase in contraction time during ...assessed contraction time in fatigued biceps femoris (BF) muscle was confirmed ...
10
Longitudinal variation in muscle protein expression and contraction kinetics of largemouth bass axial muscle
... aerobic muscle, due in part to its simple architecture and accessibility for physiological ...red muscle activation conditions in vivo and red muscle contractile properties and power production in ...
9
The Muscle-Mechanical Compromise Framework: Implications for the Scaling of Gait and Posture
... considering a vertical leap. For a given weight- specific work capacity, all leapers should achieve the same height. However, jumping with short legs offers only a brief time in which to apply this work, and hence high ...
8
Surgical physiology of inguinal hernia repair - a study of 200 cases
... cremasteric muscle is incised for the herniotomy and the spermatic cord together with the cremasteric muscle is separated from the inguinal ...the muscle arch and the inguinal ligament but not more ...
7
Nerve Impulse Patterns And Reflex Control in the Motor System of The Crayfish Claw
... Since the large efferent nerve impulses never cause contraction of the muscle, but do diminish the excitatory muscle action potentials, it can be concluded that they are the recordable a[r] ...
18