Examining the Most Effective Method to Reduce Running Ground Contact Time

Conditions

• Healthy Runners

Eligibility Criteria

Sex

ALL

Age

17 Years - 60 Years

Healthy Volunteers

Accepted

Interventions

• Real-time Visual Feedback — OTHER
  Runners will visualize their real-time ground contact time (GCT) measured by the RunScribe on a TV screen. They will be instructed to run with a goal of matching their target GCT. Their target GCT will be 5% less than their baseline.
• Real-time Auditory Feedback — OTHER
  Runners will be instructed to match their step rate to a target step rate, 10% above their baseline step rate. A metronome will be played over a speaker to provide real-time auditory feedback of the target step rate.
• Real-time Verbal Feedback — OTHER
  The clinician will provide real-time verbal feedback to runner to "pull your foot off the ground as quickly as you can," every 15 seconds during the retraining condition.

Study Details

The purpose of our study is to establish the most effective running retraining technique to decrease ground contact time. This will be investigated by applying three running retraining conditions and assessing the change in ground contact time and other biomechanical variables between the runner's baseline running and each retraining technique.

Key Dates

Start date

May 1, 2025

Status verified

Dec 2025

Primary completion

Dec 1, 2026

Completion

Dec 1, 2026

Study Design

Enrollment

30 participants (estimated)

Allocation

NA

Intervention model

SINGLE_GROUP

Primary purpose

OTHER

Arms

• Experimental: Run Retraining Conditions
  Single-arm, within subject, repeated measures design. All participants will run at baseline and then under 3 different running conditions.

Primary Outcome Measure

Ground Contact Time [ Time Frame: Within a single session, measured pre-intervention (baseline) and during each running condition intervention ]

Central Contacts

• Jennah Bulen, DPT
  315-774-8350
  [email protected]
• Jamie Morris, DPT, DSc
  315-774-8350
  [email protected]

Locations (1)

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