Resistance training intensity and muscle hypertrophy

Effect of two resistance training protocols and detraining on muscle hypertrophy, hormonal and functional changes in track and field athletes

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20140512017675N3

Enrollment

Registered

2021-12-20

Start date

2022-01-21

Completion date

Unknown

Last updated

2022-01-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dose not contain a disease.

Interventions

Intervention 1: Intervention group: High-intensity and low volume resistance training group: This program lasts for 12 weeks, three sessions per week and each session includes seven resistance movemen

Eligibility

Sex/Gender

Male

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: Lack of regular exercise training during the last six months Do not take medication or any sport supplements No metabolic and joints diseases

Exclusion criteria

Exclusion criteria: People who have experienced resistance training Age less than 18 years or more than 30 years Medical prohibition

Design outcomes

Primary

Measure	Time frame
Muscle Hypertrophy. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Two-dimensional Ultrasound.;Serum concentration of testosterone hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Serum concentration of IGF_1 hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Serum concentration of cortisol hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Muscle strength. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: One repetition maximum (1-RM) test.;Muscle endurance. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: One repetition maximum (1-RM) test.	—

Measure

Time frame

Muscle Hypertrophy. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Two-dimensional Ultrasound.;Serum concentration of testosterone hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Serum concentration of IGF_1 hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Serum concentration of cortisol hormone. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: Elisa kit.;Muscle strength. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: One repetition maximum (1-RM) test.;Muscle endurance. Timepoint: pre-test, after one training session, after 12-week training and after 4 weeks detraining. Method of measurement: One repetition maximum (1-RM) test.

—

Secondary

Measure	Time frame
Body weight. Timepoint: pre-test, after one training session, after 12-week training and after 4-week detraining. Method of measurement: Weight scales.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDariush Sheikholeslami-Vatani

University of Kurdistan

d.vatani@uok.ac.ir+98 87 3366 4600

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026