Response to stimulation-evoked eccentric muscle contractions in hypertensive rats

Article Abstract:

A study has shown that muscle mass and strength can increase as a response to electrically evoked eccentric contractions (ECs) in muscles. An increase in strength can be significantly more than increase in mass after the first few EC exposures in normotensive animal subjects. Maintained hypertension does not increase the loss of contractile strength after vigorous EC. It limits or prevents the EC-induced increase in muscle strength that goes with repeated protocol exposure.

United States, Hypertension, Sports medicine

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Differential effects of nandrolone decanoate in fast and slow rat skeletal muscles

Article Abstract:

This article examines the effects of an anabolic-androgenic steroid and exercise training on the soleus and extensor digitorum longus muscles in rats. Findings indicate that the combination of nandrolone decanoate and physical training resulted in significant increases in muscle mass, contractile parameters, and sensitivity to caffeine.

Caffeine, Nandrolone, Steroids (Drugs)

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Progressive versus rapid rate of contraction during seven weeks of isometric resistance training

Article Abstract:

This article compares the effects of a seven-week isometric resistance training protocol using progressive or rapid contractions on the muscle properties of the knee extensors. Findings indicate that both types of training resulted in similar strength gains but knee extensors developed neuromuscular adaptations that were specific to each training protocol.

Knee, Adaptation (Biology), Evolutionary adaptation, Physical education and training, Physical education, Knee muscles, Neuromuscular transmission

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