Fast-twitch muscle
Prdm1a and miR 499 act sequentially to restrict Sox6 activity to the fast twitch muscle lineage in the zebrafish embryo
... derived muscle progenitor cells give rise to myoblasts that in turn differentiate into either slow-twitch or fast-twitch muscle ...of fast-twitch-specific genes, such as ...
6
S-glutathionylation of Troponin I (fast) increases contractile apparatus Ca 2+ -sensitivity in fast-twitch muscle fibres of rats and humans
... within muscle fibres in both exercise and pathological conditions can greatly affect muscle ...in fast-twitch muscle fibres, which is involved in sensing and responding to changes in ...
51
<div>High-speed jaw-opening exercise in training suprahyoid fast-twitch muscle fibers</div>
... mylohyoid muscle runs horizontally along the mylohyoid line on the mandible while the geniohyoid muscle is attached to the mental ...geniohyoid muscle indicates that it pulls the mandible backward, ...
7
Effects of temperature on maximum acceleration, deceleration and power output during vertical running in geckos
... of fast-twitch muscle fibers from the lizard Dipsosaurus dorsalis increased substantially with temperature (from 20·W·kg –1 at 15°C to 154·W·kg –1 at 42°C), but we lack data for testing if this ...
9
The thermal acclimation of burst escape performance in fish: an integrated study of molecular and cellular physiology and organismal performance
... of fast twitch muscle myofibrillar ATPase and twitch contraction speed in carp and goldfish appear to be mediated through the differential expression of temperature- specific isoforms of ...
11
A Comparative Study of Terminal Disruption After Partial Denervation in Slow- and Fast-twitch Muscles of Neonatal CFP Mice and Wistar Rats.
... innervating fast-twitch muscles typically display more nodal sprouts, whereas motoneurons innervating slow-twitch muscles display a greater amount of terminal sprouting as a result of partial ...
42
The role of mast cells and fibre type in ischaemia reperfusion injury of murine skeletal muscles
... EDL muscle over this ...h) fast-twitch muscles are more resist- ant to injury than slow-twitch ...slow- twitch muscles were more severely damaged after 1 hour of ischaemia however the ...
7
In situ hybridisation of a large repertoire of muscle specific transcripts in fish larvae: the new superficial slow twitch fibres exhibit characteristics of fast twitch differentiation
... of fast twitch muscle isoforms in newly recruited slow fibres is only transient, showing that the final phenotype of the neoformed superficial fibres in larvae is ultimately ...of fast ...
8
Fatigue resistance of rat extraocular muscles does not depend on creatine kinase activity
... the fast-twitch muscle EDL (figure ...extraocular muscle fatigue was more impressive because these muscles were stimulated at a higher fre- quency than the EDL bundles in order to fulfill the ...
9
Effect of aging on the relationship between capillary supply and muscle fiber size
... individual muscle fiber, a decrease in the number of muscle fibers, and a decrease in the function of muscle that accompanies ...skeletal muscle atrophy occurs because the amount of physical ...
6
The effect of work cycle frequency on the potentiation of dynamic force in mouse fast twitch skeletal muscle
... on muscle contractility may best be understood in terms of how this molecular event affects the structure and function of the actomyosin ...psoas muscle fibres showed that phosphorylation of the RLC ...
9
Species specific loss of sexual dimorphism in vocal effectors accompanies vocal simplification in African clawed frogs (Xenopus)
... In X. laevis , estrogen secretion from the ovaries produces and maintains strong laryngeal synapses in females (Tobias et al., 1998). Changes in estrogen regulation could explain a lack of sex difference in EMG ...
9
Properties of the fragmented sarcoplasmic reticulum from fast twitch and slow twitch muscles
... Skeletal muscle of guinea pigs is composed of at least three types of fibers which are distinguishable by their kinetic and histochemical ...properties. Fast twitch muscles may be histochemically red ...
5
Neurology in the next two decades: report of the Workforce Task Force of the American Academy of Neurology
... the muscle internal milieu and differences in recording technique (loose-patch versus tight-seal whole cell, or the use of only a 20-msec condition- ing pulse duration for all of the loose-patch studies may have ...
5
Anomalous ion diffusion within skeletal muscle transverse tubule networks
... Skeletal muscle fibres contain transverse tubular (t- tubule) networks that provide for rapid propagation of electrical signals into the fibre and ensures near simulta- neous contraction in the constituent ...
8
Nerve Pathways and Reflex Siphon Withdrawal in the Surf Clam
... Pumphrey's 1938 findings in Mya indicate that, although fast efferent pathways are responsible for fast twitch-like activity in the adductor muscles, nerve traffic concerned with prolong[r] ...
18
Thermal Sensitivity of Swimming Performance and Muscle Contraction in Northern and Southern Populations of Tree Frogs (Hyla Crucifer)
... Muscle contractile properties have similar thermal dependencies to those of other vertebrates: rate processes [including twitch time-to-peak tension TPT, twitch half-relaxation time RTi/[r] ...
16
Distinct patterns of MMP 9 and MMP 2 activity in slow and fast twitch skeletal muscle regeneration in vivo
... the muscle was exposed and then denervated by cutting the motor nerve at the entrance of the ...the muscle region located between two tendons was crushed with serrated ...
9
Weakfish sonic muscle: influence of size, temperature and season
... The effects of temperature on acoustic characteristics were determined by recording eight similarly sized fish (28–31 cm) at 18, 23 and 12 °C, and again at 18 °C (Connaughton et al., 2000). Temperature changes took place ...
6
Treatment with a corticotrophin releasing factor 2 receptor agonist modulates skeletal muscle mass and force production in aged and chronically ill animals
... skeletal muscle mass and function in rats with ongoing ...(fast twitch) and soleus (slow twitch) absolute and relative skeletal muscle mass and force production in rats with and without ...
12