Muscle Fatigue and Foot Biomechanics

Study Overview
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Brief Summary
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Medial longitudinal arch (MLA) is a curve of the foot located at the medial side of the body and protection of the height of the MLA is an important factor for limb health. This study was planned with the aim of investigating the response of the MLA height to the repetitive muscle activity and determine the gender-related differences.

Official Title
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Investigating the Gender-related Response of Muscle Fatigue of the Medial Longitudinal Arch Height in Healthy Young

Conditions
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Foot, Flat

Intervention / Treatment
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* Other: repetitive heel rise activity


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: healthy young females and males who want to participate to the study Exclusion Criteria: have orthopedic, physiologic, psychiatric, neurologic or systemic disorders have present medication

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 30 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Other
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Other: Men<br>Healthy young men aged between 18-25 years | Other: repetitive heel rise activity<br>* Participants will perform a maximal number of single-legged heel rises on a 10 degrees incline board. Participants will be permitted to apply for fingertip support at shoulder height on a wall in front of them. The test will be terminated when participants could no longer lift their heels from the incline board. The number of correct heel rises will be counted for each leg and will be used as Heel Rise Test score.<br>|
| Other: Women<br>Healthy young women aged between 18-25 years | Other: repetitive heel rise activity<br>* Participants will perform a maximal number of single-legged heel rises on a 10 degrees incline board. Participants will be permitted to apply for fingertip support at shoulder height on a wall in front of them. The test will be terminated when participants could no longer lift their heels from the incline board. The number of correct heel rises will be counted for each leg and will be used as Heel Rise Test score.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Navicular Drop | Vertical distance of navicular tuberosity (highest point of the MLA) to the ground is measured for two times. First; with the foot placed in subtalar joint neutral position in full weight-bearing and second; in relaxed standing position. The difference between the two values are recorded as Navicular Drop (mm). | at first minute, change from baseline arch height at 2nd minutes | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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medial longitudinal arch, foot