Performance and hypertrophy in male weightlifters.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Weightlifter boys 18 to 25 years old; have a body mass index between 19 to 25 with a body fat percentage of 12 to 15% ; have a history of weightlifting training for at least six months; no history of chronic disease (no diabetes, Blood pressure, chronic lung disease, etc.); no history of smoking for at least the last six months; no musculoskeletal injury or complication; no medication and weight loss program; no special diet; in three months Have not used energizers or anabolic steroids even in therapeutic discussions before starting research exercises.
Exclusion criteria
Exclusion criteria: Musculoskeletal injuries - Infectious and viral diseases of the lungs - Taking any medication without prior notice - Absence of more than one third of training sessions
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Muscle performance. Timepoint: Before the intervention and ten weeks after the intervention (48 hours after the last session). Method of measurement: It is used to calculate anaerobic power using the Monark ergometer and its unit is watts per kilogram.;Muscle performance. Timepoint: Before the intervention and ten weeks after the intervention (48 hours after the last session). Method of measurement: Using the Biodex isokinetic device, peak torque variables are measured in units of newtons per meter - total work consumed in units of Joules-peak and average power in units of watts.;Muscle Hypertrophy. Timepoint: Before the intervention and ten weeks after the intervention (48 hours after the last session). Method of measurement: MRI will be taken by imaging the cross-section of the muscle from the vastus lateralis muscle of the quadriceps. | — |
Secondary
| Measure | Time frame |
|---|---|
| Maximum muscle strength. Timepoint: before the start of the first session and 48 hours after the last training session. Method of measurement: It is calculated by measuring a maximum repetition using the formula: 1RM(Kg) = weight / 1.0278 – (0.0278 × reps ).;Maximum rate of oxygen consumption (VO2max). Timepoint: before the start of the first session and 48 hours after the last training. Method of measurement: It will be measured using the Bruce test on a treadmill (H campus) and a respiratory gas analysis device. Its unit is milliliter per kilogram of weight per minute.;Serum testosterone concentration. Timepoint: Before and immediately after the first session - before and immediately after the last session - 48 hours after the last session. Method of measurement: It is done by taking blood and measuring with diagnostic kits. Its unit is ng/ml .;Serum cortisol concentration. Timepoint: Before and immediately after the first session - before and immediately after the last session - 48 hours after the last session. Method of measurement: It is done by taking blood and measuring with diagnostic kits. Its unit is mg/dl .;Serum lactate concentration. Timepoint: Before and immediately after the first session - before and immediately after the last session - 48 hours after the last session. Method of measurement: It is done by taking blood and measuring with diagnostic kits. Its unit is mg/dl . | — |
Countries
Iran (Islamic Republic of)
Contacts
The University of Shahid Beheshti