Clinical Research Directory
Browse clinical research sites, groups, and studies.
"Comparative Effects of PIR and Static Stretching on Hamstring Flexibility" Post-Isometric Relaxation
Sponsor: University of Health Sciences Lahore
Summary
Hamstring tightness is a common problem among students and young adults, often leading to reduced flexibility, musculoskeletal discomfort, and risk of injury. Different stretching methods are used in physiotherapy practice to improve muscle length and flexibility. Post-Isometric Relaxation (PIR), a type of muscle energy technique, and Active Static Stretching (ASS) are two commonly applied methods, but evidence comparing their effectiveness in improving hamstring flexibility among Allied Health Sciences students remains limited. This randomized controlled trial aims to compare the effects of PIR and Active Static Stretching on hamstring flexibility in healthy university students. Participants will be randomly assigned to either PIR or ASS groups and undergo stretching sessions for a specified duration. Hamstring flexibility will be measured using the Active Knee Extension test before and after the intervention. The findings will provide evidence to guide physiotherapy education and clinical practice on the most effective stretching technique for improving hamstring flexibility.
Official title: "Comparison of Post-Isometric Relaxation and Active Static Stretching Technique in Improving Hamstring Flexibility Among Allied Health Sciences Students"
Key Details
Gender
All
Age Range
18 Years - 25 Years
Study Type
INTERVENTIONAL
Enrollment
54
Start Date
2025-04-01
Completion Date
2025-09-10
Last Updated
2025-09-04
Healthy Volunteers
Yes
Conditions
Interventions
Post-Isometric Relaxation
Participants will undergo Post-Isometric Relaxation technique targeting the hamstring muscles. The technique involves an isometric contraction of the hamstring followed by a passive stretch. Participant will be in supine position; hip at 90° flexion, Isometric contraction of hamstrings for 7 seconds, Followed by 15 seconds of passive stretch, 10 repetitions, 3 times/week for 4 weeks
Active Static Stretching
Participants will perform Active Static Stretching exercises for the hamstrings, where the stretch is held actively without assistance.Seated long sitting position. Participant actively stretches hamstrings for 30 seconds. 10 repetitions, 3 times/week for 4 week
Locations (1)
University of Health Sciences
Lahore, Punjab Province, Pakistan