objective(s): osteoarthritis (oa) or degenerative joint disease is the commonest form of arthritis and can lead to joint pain, decrease in joint’s range of motion, loss of function, and ultimately disability. exercise is considered as one of the non-pharmacological treatments of oa. but the effects of exercise on knee joint cartilage remain ambiguous. the aim of the present study was to investi...

the purpose of this research was to study growth hormone (gh) response to a session of maximal exercise in active adolescents. for this purpose, 15 subjects (8 females: age 13± 0.5 yrs, height 153.25± 3.73 cm, weight 43± 5.10 kg and 7 males: age 14± 0.5 yrs, height 166.86± 6.07 cm, weight 52.86± 5.61 kg) performed an incremental exercise protocol on a treadmill with an increasing grade until vo...

the purpose of this study was to evaluate the effect of short time circuit-resistance exercise with difference intensities on ghi/igf-i growth axis in healthy male students. for this purpose, 27 male students with mean and standard deviation of age 21.40±1.78 yr, height 172±0.45 cm, weight 68.85±5.39 kg were selected and randomly divided into three resistance exercise groups (each group, 9 subj...

hemorheology specialists believe that athletes of different sport fields have different hemorheological patterns. the aim of this study was to investigate the effect of sport field on hemorheological variables following acute aerobic exercise. athletes were divided into three groups of 15 subjects (endurance runners: mean±sd: age 24.6±5.2 yr, bf% 6.8±1.6, bmi 21±1; football players: age 22.5±1....

background: heavy exercise cause muscle damage associated with production of inflammatory agents. the purpose of present study was to determine the effect of acute and 14-day coenzyme q10 supplementation on inflammatory, blood lactate and muscle damage in male middle-distance runners.   methods : eighteen male middle-distance runners in a randomized and quasi experimental study were allocated i...

survey of physical modality impact accompanied by selected exercise training on treatment of chronic mechanical low back pain in women    tofighi a [1] *, kashef mm [2] , aghazade shotlou z [3] , assemi a [4]    received : 16 may , 2011 accepted: 6 jluy , 2011   abstract  background & aims: training and exercise treatment is the major recommended procedure for low back pain that has improvable ...

the effect of physical exercise on mild postpartum depression and related factors among women referring to kashan health centers, 2011     motaghi m [1] *     received: 23 apr , 2013 accepted: 28 jun , 2013    abstract  background & aims: postpartum depression is a problematic and important disease and if it is not recognized and treated on time, it can be aggravated or chronic. exercise is str...

background: the prevention of work disability is beneficial to employees and employers, and mitigates unnecessary societal costs associated with social welfare. many service providers and employers have initiated workplace interventions designed to reduce unnecessary work disability. objective: to conduct a best-evidence synthesis of systematic reviews on workplace interventions that address ph...

although it is well established that women are more likely to sustain certain connective tissue injuries than men during physical activities, this difference between males and females is not clear. gelatinases degrade components of tendon tissue. thus, in this research, the effects of gender on serum gelatinases (mmp-2 and mmp-9) at rest and in response to acute endurance exercise were investig...