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Effect of Heel Lift Insole on Kinematics and Kinetics of the Lower Limb and Lumbar Spine Among Healthy Individuals
Sponsor: Cairo University
Summary
This observational study aims to investigate the effect of heel lift insole on kinematics and kinetics of the lower limb and lumbar spine among healthy individuals.
Key Details
Gender
All
Age Range
18 Years - 25 Years
Study Type
OBSERVATIONAL
Enrollment
50
Start Date
2025-07-01
Completion Date
2025-12-01
Last Updated
2025-08-03
Healthy Volunteers
Yes
Conditions
Interventions
Record EMG maximum amplitude from bilateral erector spinae, rectus femoris, and medial and lateral gastrocnemius muscles.
Conduct measurements under two conditions: Condition 1: Standing with standardized flat shoes. Perform three trials for each participant. Calculate and record the mean as baseline data. Condition 2: Standing with a standardized heel lift insole inside the flat shoes. Conduct three trials. Record the mean for comparative analysis.
Photograph participants from anterior and lateral views to assess knee valgus angle and lumbosacral angle.
Capture two sets of photographs for each participant: Set 1: Wearing flat shoes. Set 2: Wearing the heel lift insole inside the flat shoes. Compare knee valgus angle and lumbosacral angle under both conditions. Ensure consistency and reliability by following standardized protocols and performing repeated measurements. Analyze the effects of heel lift insoles on muscle activity and postural alignment.
Locations (2)
Misr University for science and technology
Giza, Giza Governorate, Egypt
Misr University for science and technology, Physical Therapy College, EMG and NCV Lab
Giza, Egypt