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Effect of Passive Hamstring Stretching on Craniovertebral Angle, Muscle Activation Pattern and Proprioception in
Musawir Mohsin Parsa1, Zubia Veqar2, Shabnam Khan3
1Masters in Physiotherapy (Orthopaedics) student, Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi, India.
Current Protocols
|June 17, 2026
Summary
This study investigates how stretching hamstrings impacts forward head posture (FHP) by examining craniovertebral angle (CVA) and cervical range of motion (CROM). Results may reveal new holistic treatment approaches for FHP.
Area of Science:
- Musculoskeletal Rehabilitation
- Biomechanical Analysis
- Fascial Integration
Background:
- Forward head posture (FHP) is linked to altered craniovertebral angle (CVA) and reduced cervical range of motion (CROM).
- Conventional FHP treatments often neglect the role of the interconnected fascial system.
- The posterior chain, including hamstrings, may influence head and neck posture.
Purpose of the Study:
- To evaluate the effect of passive hamstring stretching on CVA, CROM, and muscle activation patterns in individuals with FHP.
- To explore the biomechanical and fascial connections between the lower extremities and the cervical spine in FHP.
Main Methods:
- 70 young adults with FHP and hamstring tightness were randomized into a control group (conventional physiotherapy) or an intervention group (physiotherapy + hamstring stretching).
- Interventions were performed three times weekly for 4 weeks.
- Outcomes including CVA, CROM, muscle activation, and proprioception were assessed pre-, during, and post-intervention.
Main Results:
- Analysis will involve Shapiro-Wilk test for normality, independent samples t-test for baseline differences, and mixed-design ANOVA for intervention effects.
- Specific quantitative results are pending completion of the study.
Conclusions:
- This study will elucidate the impact of hamstring stretching on cervical parameters in FHP.
- Findings may support a paradigm shift towards holistic interventions targeting the fascial system for FHP.
- The research aims to improve understanding of inter-regional body connections in musculoskeletal health.
