TO THE EDITOR: I read the recent article by Peake et al. (4) entitled “Muscle damage and inflammation during recovery from exercise” with great interest. I would suggest adding more information about muscle damage, because in my opinion the authors talked about muscle damage minimally. The authors stated (4): “. . . Concentric muscle contractions do not cause exercise-induced muscle damage.” Bu...

Depending on intensity, eccentric exercise is experimentally and clinically documented to have opposing dual effects on skeletal muscle; intense eccentric exercise damages muscle, but daily low-load eccentric exercise prevents damage. To clarify the mechanisms of this dual effect, microscopic damage and oxidative stress were studied in rat quadriceps muscle. Oxidative stress was estimated from ...

decline in force and increased soreness following exercise of the finger flexors 1. In the early 1980’s research on this exercise-induced muscle damage (EIMD) noted by Dr. Hough began to considerably increase. Newham et al.2 investigated EIMD using electron microscopy and found significant changes in muscle structure immediately after exercise, and the number of damaged fibers continued to incr...

1. Exercise that involves stretching a muscle while active cause microscopic areas of damage, delayed onset muscle soreness and adaptation to withstand subsequent similar exercise. 2. Longer muscle lengths are associated with greater damage and recent animal experiments show that it is the length relative to optimum that determines the damage. 3. In humans, walking down stairs, taking two at a ...

objective(s): pregabalin (pgb) is a new antiepileptic drug that has received fda approval for patient who suffers from central neuropathic pain, partial seizures, generalized anxiety disorder, fibromyalgia and sleep disorders. this study was undertaken to evaluate the possible adverse effects of pgb on the muscular system of mice. materials and methods: to evaluate the effect of pgb on skeletal...

The muscle tendon unit is a stable system, designed to operate eccentrically with efficiency and resiliency. Fiber strains, although minimized by tendon compliance during exercise, are essential components to decoding the mechanical and chemical signals during exercise. Subsequent cellular adaptations minimize the subsequent "dose" of stress and strain and serve to limit the exacerbation of dam...

[Purpose] To investigate the effects of pre-induced muscle damage vibration stimulation on the pressure-pain threshold and muscle-fatigue-related metabolites of exercise-induced muscle damage. [Subjects and Methods] Thirty healthy, adult male subjects were randomly assigned to the pre-induced muscle damage vibration stimulation group, post-induced muscle damage vibration stimulation group, or c...

POINT: ESTROGEN AND SEX DO INFLUENCE POSTEXERCISE INDEXES OF MUSCLE DAMAGE, INFLAMMATION, AND REPAIR Estrogen and sex influences due to difference in estrogen exposure have been consistently reported to attenuate damage and/or inflammation and to accentuate repair in a variety of tissues and organs (4, 13, 22). Consistent with these findings, rodent models have provided compelling evidence of t...

Muscle damage is induced by both high-intensity resistance and endurance exercise. Creatine is a widely used dietary supplement to improve exercise performance by reducing exercise-induced muscle damage. Many researchers have suggested that taking creatine reduces muscle damage by decreasing the inflammatory response and oxidative stress, regulating calcium homeostasis, and activating satellite...