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Effects of Resistance Training on Patellar Tendon Properties in People With Patellar Tendinoapthy

NCT07682051 · Status: ENROLLING_BY_INVITATION · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-07-02

No results posted yet for this study

Summary

This study aims to investigate the effects of two different resistance training interventions on the structural, morphological, mechanical, and functional properties of the thigh muscles (in particular the quadriceps femoris) and the patellar tendon, in participants with current patellar tendinopathy.

Conditions

  • Patellar Tendinopathy

Interventions

OTHER

Eccentric Training

The intervention consists of 12 weeks of resistance training, with a frequency of three times per week. Participants in this group will perform two exercises on a leg press and knee extension machine at their own training facility. This intervention has a repetition time of four seconds, with only the eccentric phase of the movement being performed. They will rest between two and three minutes between sets and will perform the exercises as long as their pain level is less than or equal to four on a pain scale from 0-10. The training parameters are the following, applying to both leg press and knee extension exercises: Week 1: 3 sets of 15 repetitions at 60% of their 1-repetition maximum (1RM) Week 2 and 3: 3 sets of 12 repetitions at 70% of their 1RM Week 4 and 5: 3 sets of 10 repetitions at 75% of their 1RM Week 6 to 12: 4 sets of 8 repetitions at 80% of their 1RM.

OTHER

Heavy-Slow Resistance Training

The intervention consists of 12 weeks of resistance training, with a frequency of three times per week. Participants in this group will perform two exercises on a leg press and knee extension machine at their own training facility. This intervention has a repetition time of four seconds, of which two seconds will be spent on the concentric phase and two seconds on the eccentric phase of the movement being performed. They will rest between two and three minutes between sets and will perform the exercises as long as their pain level is less than or equal to four on a pain scale from 0-10. The training parameters are the following, applying to both leg press and knee extension exercises: Week 1: 3 sets of 15 repetitions at 60% of their 1-repetition maximum (1RM) Week 2 and 3: 3 sets of 12 repetitions at 70% of their 1RM Week 4 and 5: 3 sets of 10 repetitions at 75% of their 1RM Week 6 to 12: 4 sets of 8 repetitions at 80% of their 1RM.

Sponsors & Collaborators

  • University of Graz

    lead OTHER

Principal Investigators

  • Josefina Manieu Seguel, M.Sc. · University of Graz

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
50 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-07-01
Primary Completion
2027-06-30
Completion
2027-11-30

Countries

  • Austria

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 NCT07682051 on ClinicalTrials.gov