Healthy Clinical Trial - Strength Training Adaptations, Age & Genes

Status Completed

Clinical Trial Summary

The study investigates the effect of maximal strength training on muscular strength and power in different age groups from 20 to 80 year old. It also relates the training adaptations to different known genes such as angiotensin I-converting enzyme (ACE) and Alpha-actinin-3 (ACTN3). Participants will complete an eight weeks, three times per week training intervention of maximal strength training with a pre-post design. In addition, blood samples will be collected for the analyses of genetic variances.

Clinical Trial Description

Aim: The study aims to investigate the effect of age and genes on training adaptations to a maximal strength training intervention.

Methods: Participants will be recruited through invitations at work places and other community arenas. The investigators aim to recruit 10-15 subjects in each of the following age groups: 20-29, 30-39, 40-49, 50-59, 60-69 and 70-80 years of age. Both genders will be included. All age groups will be matched for age-related baseline maximal strength and distribution between the two genders. All participants will be checked via a health registration scheme, and excluded if contra indications for hard physical training or testing should appear. When in doubt, the projects physician will decide on inclusion or exclusion due to a thorough examination. Subjects will give a blood sample to be analyzed for known genes such as ACE and ACTN3. The intervention has a pre- post design. Tests of maximal strength and power will be conducted in a leg-press machine, using the protocol assessing one repetition maximum (1RM) previously described. Force and Power will be measured by the Muscle Lab system from Ergotest Tech. (Langesund, Norway). The intervention is an eight week, three times per week protocol, each training session consisting of a standardized warm-up, and 4 repetitions x 4 sets with an intensity of 4 repetition maximum (4RM) performed in the leg press machine.There will be a three minutes pause between sets. Participants will be given instructions and supervision.

Hypothesis: Maximal strength training adaptations will be affected by age and baseline maximal strength but not by gender or genetic variations. ;

Study Design

Related Conditions & MeSH terms

Healthy

Clinical Trial Details

NCT number	NCT02589990
Study type	Interventional
Source	Telemark University College
Contact
Status	Completed
Phase	N/A
Start date	January 2016
Completion date	September 3, 2018

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Strength Training Adaptations, Age and Genes — STAGE

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms