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International Journal of Biology Pharmacy and Allied Sciences· 2026

EFFECT OF PLYOMETRIC TRAINING ON PAIN AND QUADRICEPS STRENGTH OF MARATHON RUNNERS SUFFERING FROM PATELLO- FEMORAL PAIN SYNDROME: AN EXPERIMENTAL STUDY

Short summary

A 4-week plyometric training program significantly reduced pain and increased quadriceps strength in marathon runners with Patellofemoral Pain Syndrome (PFPS).

AI-generated from the title and abstract; the full text is not read.

Key points

  • Plyometric training (PT) was tested as an intervention for Patellofemoral Pain Syndrome (PFPS) in marathon runners.
  • Twenty runners with PFPS were randomized into a PT group (n=10) or a control group (n=10).
  • The PT group underwent supervised training three times per week for four weeks.
  • Pain intensity (NPRS) and quadriceps strength (1RM) were measured pre- and post-intervention.
  • Both groups showed within-group improvements, but the abstract implies the PT group had superior results (though specific comparative data is missing).

AI-generated from the title and abstract; the full text is not read.

Abstract

Background:Patellofemoral Pain Syndrome (PFPS) is a common overuse injury among marathon runners, often resulting in anterior knee pain and quadriceps muscle weakness.Plyometric training (PT), which utilizes the stretch-shortening cycle, may serve as an effective intervention to enhance quadriceps strength and reduce pain in this population. Methods:This experimental study employed a pretest-posttest control group design.Twenty marathon runners (N = 20) diagnosed with PFPS were randomly assigned to either a Plyometric Training Group (PTG, n = 10) or a Control Group (CG, n = 10).The PTG underwent a supervised progressive plyometric training program three times per week for four weeks, while the CG performed routine stretching and strengthening exercises.Pain intensity was measured using the Numerical Pain Rating Scale (NPRS), and quadriceps strength was assessed using the One-Repetition Maximum (1RM) test at baseline and after four weeks. Results:Both groups showed significant within-group improvements in pain and strength from pre-to post-

The authors' abstract, as published at the source. International Journal of Biology Pharmacy and Allied Sciences, 2026 · DOI ↗

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Field: Biomedical Engineering

Biomedical EngineeringEngineering