نتایج جستجو برای: eccentric exerciseelectromyographic activityl glutaminemuscle injured
تعداد نتایج: 34412 فیلتر نتایج به سال:
The purpose of the present investigation was to examine the effect of exercise-induced muscle injury on hemodynamic responses during exercise. Ten subjects performed unilateral isometric knee extensions (IKE) at 30% of preinjury maximum voluntary contraction to fatigue and for 3 min before and 48 h after muscle injury. Muscle injury was elicited by performing 8 sets of 10 repetitions of eccentr...
BACKGROUND A common knee injury mechanism sustained during basketball is landing badly from a jump. Landing is a complex task and requires good coordination, dynamic muscle control and flexibility. For adolescents whose coordination and motor control has not fully matured, landing badly from a jump can present a significant risk for injury. There is currently limited biomechanical information r...
Background and purpose: Repetitive strain injury (RSI) is accompanied by an increase in extracellular matrix (ECM), atrophy, and reduces the muscle power. Resistance training (RT) have potential positive effects on muscle function and morphology in elderly. This research examined the effects of eight week therapeutic resistance training on recovery of pathological changes after 6weeks chronic e...
Objective(s): The purpose of the present study was to examine the effects of L-glutamine on electromyographic (EMG) activity of the quadriceps muscle injured by eccentric exercise (EE). Materials and Methods: Seventeen healthy men (age: 22.35±2.27 yr; body mass: 69.91±9.78 kg; height: 177.08±4.32 cm) were randomly and double-blind study with subjects assigned to either an L-glutamine supple...
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...
BACKGROUND Recent studies have found a significant deficit of maximum quadriceps strength after autologous chondrocyte implantation (ACI) of the knee. However, it is unclear whether muscular strength deficits in patients with cartilage damage exist prior to operative treatment. PURPOSE To isokinetically test maximum quadriceps muscle strength and quantify the impact of possible strength defic...
Novel eccentric (lengthening contraction) exercise typically results in muscle damage, which manifests as prolonged muscle dysfunction, delayed onset muscle soreness, and leakage of muscle proteins into circulation. There is a large degree of variability in the damage response of individuals to eccentric exercise, with higher responders at risk for potentially fatal rhabdomyolysis. We hypothesi...
Grounding a human to the earth has resulted in changes in the physiology of the body. A pilot study on grounding and eccentric contractions demonstrated shortened duration of pain, reduced creatine kinase (CK), and differences in blood parameters. This follow-up study was conducted to investigate the effects of grounding after moderate eccentric contractions on pain, CK, and complete blood coun...
BACKGROUND Protease-activated receptor-1 (PAR-1) is the high-affinity receptor for the coagulation protease thrombin. It is expressed by a variety of cell types in the heart, including cardiomyocytes and cardiac fibroblasts. We have shown that tissue factor (TF) and thrombin contribute to infarct size after cardiac ischemia-reperfusion (I/R) injury. Moreover, in vitro studies have shown that PA...
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