Biomechanical Changes in Young Women During Menstrual Cycle
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Menstrual Cycle
- Sponsor
- Medical University of Silesia
- Enrollment
- 500
- Locations
- 1
- Primary Endpoint
- Hamstring flexibility
- Last Updated
- 5 years ago
Overview
Brief Summary
The aim of the work is to assess the effect of the menstrual cycle on the biomechanical properties of the muscles. The study will be conducted among young women aged 20-25 with a regular menstrual cycle. During the test, muscle strength and muscle flexibility as well as activation times will be performed. The study will assess the effect of the stretching of the hamstring muscles on the biomechanical properties of the muscles in the different phases of the menstrual cycle.
Investigators
Piotr Michalik
Principal Investigator
Medical University of Silesia
Eligibility Criteria
Inclusion Criteria
- •Regular menstrual cycle lasting 28 days (+/- 5 days)
- •A menstrual cycle that has been present for at least 2 years
- •No hormonal contraception
- •Lack of pain in the lower spine
- •No restriction of mobility in the hip joint
Exclusion Criteria
- •Irregular menstrual cycle
- •BMI value below 18.5 and above 25
- •Orthopedic disorders in the lower limb
- •Neurological disorders
- •Normal flexibility of the hamstring muscles
Outcomes
Primary Outcomes
Hamstring flexibility
Time Frame: Change measured before and immediately after static stretching during luteal phase of menstrual cycle
Hamstring flexibility will be assessed using AKE and PKE and SLR tests.
Hamstring passive stifness
Time Frame: Change measured before and immediately after static stretching during luteal phase of menstrual cycle
Hamstring stiffness will be assessed using TDK test. During the test the resistance of the elongated Hamstring muscle is measured. If the resistance value is smaller after the intervention it means that muscle stiffness changed.
Trunk acivity is assessed using Stabilizer Pressure Biofeedback
Time Frame: Three repetitions with a 30-second break between. The measure is taken during luteal phase of menstrual cycle
The torso activation scheme is measured during lower and upper limb motions using Chattanooga Stabilizer Pressure Biofeedback.
Passive Hamstring flexibility
Time Frame: Change measured before and immediately after static stretching during luteal phase of menstrual cycle
Hamstring flexibility will be assessed using PKE test
Active Hamstring flexibility
Time Frame: Change measured before and immediately after static stretching during luteal phase of menstrual cycle
Hamstring flexibility will be assessed using SLR tests.
Hamstring strength is tested using the Micro Fet Handheld Dynamometer.
Time Frame: Change measured before and immediately after static stretching. The measure is taken during luteal phase of menstrual cycle
Muscle strength of hamstring is tested. Three repetitions of muscle strength testing are performed with two 30-second intervals. The participants are asked to press against the Dynamometer with the maximum effort for 5-7 seconds.
Strength of arm flexors and extensors and hip flexors is tested using the Micro Fet Handheld Dynamometer.
Time Frame: Three repetitions for 5-7 seconds with two 30-second intervals . The measure is taken during luteal phase of menstrual cycle
Muscle strength of arm flexors and extensors and hip flexors is tested. Three repetitions of muscle strength testing are performed with two 30-second intervals. The participants are asked to press against the Dynamometer with the maximum effort for 5-7 seconds.