Effect of Jack Knife Stretching Versus Proprioceptive Neuromuscular Facilitation (Hold Relax) Stretching Technique in Asymptomatic Individuals with Hamstring Tightness: A Randomized Clinical Trial
DOI:
https://doi.org/10.37506/ijfmt.v14i3.10338Keywords:
Hamstring Tightness; PNF Stretching, Jack Knife StretchingAbstract
Background: Study is to compare the effectiveness of Jack knife stretching and Proprioceptive Neuromuscular
Facilitation (PNF) stretching Technique in asymptomatic individuals with hamstring tightness.
Aims and Objectives : 1. To study the effect of jack-knife stretching on the individuals with asymptomatic
hamstring tightness in terms of Active knee extension test, finger to floor, passive SLR and LEFS
Questionnaire.2.To Study the effect of PNF stretching on individuals with asymptomatic hamstring tightness.
3.To compare the effect of Jack knife and PNF stretching in individuals with hamstring tightness.
Material and Method: Ethical approval was obtained. 56 healthy subjects were assigned into two groups.
PNF (hold relax) stretching technique was given to the Group A and Group B received Jack Knife stretching.
Active knee extension test, Finger to floor test, Passive single leg raise test and Lower extremity functional
scale these parameters were measured .
Results: Intra-group comparison for all the outcome measures in both the groups showed statistical
significance. Inter-group comparison for all the outcome measures for both the groups had differences but
showed statistical significance. Group B Jack knife stretching was more effective than group A PNF (hold
relax) stretching.
Conclusion: The present study results indicate that to increase hamstring flexibility both the treatment
techniques i.e PNF stretching and jack knife stretching are effective in asymptomatic individuals with
hamstring tightness. Thus, our study shows jack knife stretching gives immediate effect due to closed pack
position of stretching compared to open pack position of PNF group
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