Actively Recruiting

Phase Not Applicable
Age: 18Years - 30Years
All Genders
Healthy Volunteers
NCT07438535

High-Load, Low-Load, and Passive Blood Flow Restriction in Competitive Sprinters

Led by Riphah International University · Updated on 2026-02-27

18

Participants Needed

1

Research Sites

39 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This randomized clinical trial will include competitive male and female sprinters aged 16-30 years, recruited through purposive sampling. Participants will be randomly assigned to one of three groups: (A) HL-BFR (70-85% 1RM with BFR during sets), (B) LL-BFR (20-30% 1RM with BFR), or (C) Passive BFR (BFR applied between sets). The intervention will consist of a 6-week sprint-specific resistance training program performed thrice weekly, incorporating resisted sprints, barbell step-ups, hip thrusts, Nordic curls, and bounding exercises. Strength will be measured using 1RM testing, explosive power through countermovement and standing broad jumps, and sprint performance via 10m, 30m, and 100m timed sprints. Subjective exertion will be tracked using the sRPE scale. The study aims to determine whether HL-BFR, LL-BFR, or passive BFR produces superior improvements in sprint performance and neuromuscular strength. It is hypothesized that HL-BFR may yield greater adaptations due to combined mechanical and metabolic stress, though LL-BFR and passive BFR may offer practical, low-impact alternatives.

CONDITIONS

Official Title

High-Load, Low-Load, and Passive Blood Flow Restriction in Competitive Sprinters

Who Can Participate

Age: 18Years - 30Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Age between 16 and 30 years
  • Competitive sprinters with at least 2 years of sprint-specific training
  • Healthy individuals without cardiovascular, metabolic, musculoskeletal, or neurological disorders
  • Willingness to participate in a 6-week training program
Not Eligible

You will not qualify if you...

  • Pregnancy or lactation
  • Cardiovascular, vascular, pulmonary, renal or metabolic disorders
  • Uncontrolled hypertension
  • Recent significant weight loss
  • Use of performance-enhancing drugs within past 2 months
  • Any medical condition preventing safe participation

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Punjab Sports Board

Lahore, Punjab Province, Pakistan, 547000

Actively Recruiting

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Research Team

D

Danish Hassan, PhD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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