Comparative Effect of Post Isometric Relaxation Along with Passive Resistive Stretching and Neurodynamic-Technique on Hamstrings Muscle Tightness and Functional Outcomes in Healthy Collegiate Students- A Randomized Pilot Trial

Abstract

Background -Flexibility is an important physiological component of physical fitness because it allows a muscle to stretch and move through a joint, completing its range of motion. Hamstring is a two-jointed muscle, it shortens over time, generating tightness that hinders daily function and raises the risk of back pain in adolescents and adults.

Purpose -To compare the effectiveness of technique on hamstring tightness among healthy colligate students and to improve the quality of life.

Participants –The research followed a randomized comparative study design. Sampling was carried out using a simple random sampling method, and the sample size consisted of 18 patients. Inclusion criteria for the study required participants to be aged between 18 and 30 years, have an active knee extension (AKE) loss ranging from 10° to 35°, and exhibit a straight leg raise (SLR) range of less than 70–80 degrees.

Methods – A sample of 18 patients with hamstring tightness of age 18- 30 were recruited. A protocol of 3 days was given a- the protocol consists of post-isometric relaxation (PIR) along with passive resistive stretching (PRS) and neurodynamic. Primary outcome measures were SLR test, AKE test and finger to floor (FTF) test.

Results – The mean age of the participants is 23.15±3.42 years. Both the group has shown improvement post-intervention (p>0.05). The neurodynamic group has exhibited the greatest improvements in the functional outcomes.

Conclusion – The study demonstrates that all groups showed significant improvements in SLR, AKE, & FTF test, indicating the effectiveness of the interventions.

Implication – The study highlights the clinical relevance of PIR along with PRS and neurodynamic-techniques for managing tightness in hamstring muscle, improving functional outcome and shaping evidence-based physiotherapy practice and education.