Differences Between Long Distance Road Runners and Treadmill Runners in Achilles Tendon Structure

NCT06294093 | Completed

• 1 other identifier: 026/24
• Study Type: observational
• Target: 48
• Locations: 1 country
• Sites: 1

Brief Summary

this study will investigate the structure of the Achilles tendon and functional tests in road runners compared to treadmill runners.

Conditions

Achilles Tendon Injury

Keywords

Achilles tendon; running

Outcome Measures

Primary Outcomes (5)

• ultrasound tissue characterized

  percentage of type 1,2,3,4 fibers within the tendon

  baseline

• Balance test

  Y Balance Test - composite score: sum of 3 reach directions in centimeters divided by 3 times the limb length then multiplied by 100

  baseline

• Proprioception test

  AMEDA device - scores between 0 and 1, A higher score represents better proprioception ability.

  baseline

• muscle strength test

  hand held dynamometer dynamometer assessment of Gastrocnemius muscle

  baseline

• endurance test gastrocnemius muscle

  number of single leg heel raise test until fatigue

  baseline

Study Arms (2)

treadmill group

healthy subjects who run regularly at least twice a week for half an hour, over 80% of the training on treadmill.

road group

healthy subjects who run regularly at least twice a week for half an hour, over 80% of the training on road.

Eligibility Criteria

• Age: 18 Years - 50 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)
• Sampling Method: Non-Probability Sample

Study Population

healthy runners who run on a regular basis, without injuries or pain during the last 6 months

You may qualify if:

• run regularly at least twice a week for half an hour,
• over 80% of the training on a treadmill or road

You may not qualify if:

• pain or injury to Achilles tendon during the 6 months, preventing running for at least 3 days.
• past Achilles tendon surgeries,
• sprained ankle in the last six months,
• lower limb and back pain while running
• participants who report running with minimalist shoes.

Sponsors & Collaborators

• University of Haifa: lead
• Zinman College of Physical Education and Sports Sciences: collaborator

Study Sites (1)

The Academic College at Wingate

Netanya, Israel

Location

Related Publications (1)

• Dar G, Waddington G, Stern M, Dotan N, Steinberg N. Differences Between Long Distance Road Runners and Trail Runners in Achilles Tendon Structure and Jumping and Balance Performance. PM R. 2020 Aug;12(8):794-804. doi: 10.1002/pmrj.12296. Epub 2020 Jan 18.

  PMID: 31762215 RESULT

Study Officials

• Gali Dar, Prof.

  University of Haifa

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: February 27, 2024
• First Posted: March 5, 2024
• Study Start: June 10, 2024
• Primary Completion: August 15, 2025
• Study Completion: August 15, 2025
• Last Updated: January 26, 2026

Record last verified: 2026-01

Locations

IL (1)