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High-Intensity Interval Resistance Training and Low-to-Moderate-Intensity Resistance Training in Upper Extremity Muscles

NCT07752901 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 49

Last updated 2026-08-07

No results posted yet for this study

Summary

High-intensity interval resistance training (HIIRT) has emerged as a time-efficient alternative to conventional resistance training; however, evidence regarding upper-extremity-focused HIIRT and its multidimensional effects remains limited. This randomized controlled trial aims to compare the effects of upper-extremity HIIRT and low-to-moderate-intensity resistance training (LMRT) on muscle strength, functional capacity, cognition, mental health, and health-related quality of life in healthy young adults.

Forty-nine healthy young adults aged 18-25 years will be randomly allocated to one of three groups: HIIRT, LMRT, or a control group. Participants in the intervention groups will complete supervised upper-extremity resistance training sessions twice weekly for 8 weeks, while the control group will receive no structured exercise intervention.

Outcome measures will include isotonic upper-extremity muscle strength, the Six-Minute Walk Test, the Montreal Cognitive Assessment, the State-Trait Anxiety Inventory, the Generalized Anxiety Disorder-7 questionnaire, the Dispositional Flow Scale-2, and the Short Form-36 Health Survey. The study is designed to evaluate the effects of the two resistance training protocols on physical, cognitive, and psychological outcomes in healthy young adults.

Conditions

  • Young Adults

Interventions

OTHER

High-Intensity Interval Resistance Training (HIIRT)

Participants performed supervised upper-extremity high-intensity interval resistance training twice weekly for 8 weeks using a multi-station resistance machine. Exercises included biceps curl, lat pulldown, pec deck, machine shoulder press, and seated row. Training intensity was set at 80% of one-repetition maximum (1RM). The protocol consisted of two sets, each including one cluster of six repetitions followed by two clusters of 2-3 repetitions separated by 20-second rest intervals, with 2 minutes and 30 seconds of rest between sets. Each session included a 5-minute warm-up and a 5-minute cool-down.

OTHER

Low-to-Moderate-Intensity Resistance Training (LMRT)

Participants performed supervised upper-extremity low-to-moderate-intensity resistance training twice weekly for 8 weeks using a multi-station resistance machine. Exercises included biceps curl, lat pulldown, pec deck, machine shoulder press, and seated row. Exercise intensity was prescribed at 30-70% of one-repetition maximum (1RM), with 2-3 sets of 8-12 repetitions and at least 1 minute of rest between sets. Each training session included a 5-minute warm-up and a 5-minute cool-down.

Sponsors & Collaborators

  • Hacettepe University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
25 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-05-18
Primary Completion
2026-07-21
Completion
2026-07-28

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07752901 on ClinicalTrials.gov