نتایج جستجو برای: to determine muscle strength and power
تعداد نتایج: 18415349 فیلتر نتایج به سال:
مقایسه قدرت عضله چهارسر رانی بین دوندگان سرعتی و افراد عادی غیر ورزشکار با استفاده از دستگاه Kin-Com
Introduction: It is suggested that quadriceps muscle has an important role in stability & mobility of Knee joint in athletics and normal individuals therefore, the purpose of this study was evaluation of the strength in Power Athletics (PA) and Normal Un-trained Individuals (NUI) groups. Methods and Materials: 31 Females (20 NUI & 11 PA) participated in this study. For measuring the strength, e...
the effect of high voltage, high frequency pulsed electromagnetic field on slain ovine cortical bone
background: this study is the first research investigating the possible effect of pulsed power signals on the characteristics of cortical bone by comparing the mechanical properties of this type of bone pre and post expose to pulsed power. methods: a positive buck-boost converter was applied to generate adjustable high voltage, high frequency pulses (up to 500 v and 10 khz). the functional beha...
Objective: Due to their repeated attempts in high jumping and bending the waist to hit the ball from the top of the head, volleyball players suffer from spine impairments and increased lumbar lordosis. The aim of this study was to investigate the efficacy of the Yumeiho therapy massage on repositioning error, Range of motion in trunk flexion and functional power in women volleyball players with...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
proprioceptive neuromuscular facilitation (pnf) training (contraction - relaxation method), in compared to the other methods of static and dynamic stretching exercises; has higher and safer effects on enhancement of hamstring muscle's flexibility, strength and endurance. achieving the optimal combination of contraction and stretching phases in pnf training that can increase these factors of phy...
the aim of this study was to compare the effect of resistance training with vascular occlusion with traditional resistance training on muscle function and cardiovascular endurance in young females. for this purpose, 43 female students were randomly divided into three groups: traditional resistance training (trt, 70-80% 1rm, n=14), resistance training with vascular occlusion (rtvo, 20-30% 1rm wi...
Introduction and purpose: Sarcopenia is associated with reduced muscle mass, declined strength and pulmonary function in old age. The purpose of this study was to investigate effect of eight weeks resistance training on hypertrophy and physiologic parameters among elderly man. Martials and methods: 24 elderly male subjects were randomly divided into two groups: experimental (n = 13) and cont...
This study examined the impact of 4 weeks of either complete cessation of training (DTR) or a tapering period (TAP; short-term reduction of the strength training volume, while the intensity is kept high), subsequent to 16 weeks of periodized heavy resistance training (PRT) on strength/power gains and the underlying physiologic changes in basal circulating anabolic/catabolic hormones in strength...
Time under Tension of muscle is one of the variables of strength training that contributes to its adaptation. The present study was conducted the effects of six weeks of resistance training with the varying Time under Tension of muscle on VEGF and endosotene serum levels in healthy young women. This study was conducted on 20 female students (22.65±2.03years) Subjects were randomly and equally ...
in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...
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