The objective of this research study is two-fold, 1) to determine if body composition and body image perception are affected through the different phases of the menstrual cycle, and 2) if an acute session of resistance training can have different effects depending on the menstrual cycle phase.
The purpose of the research is to establish whether body composition and body image perception are affected throughout the different phases of the menstrual cycle and if the perception can be modified through resistance training. To the best of our knowledge, only one study has analyzed the effects of the menstrual cycle on body image perception. However, research analyzing the effects of the menstrual cycle on both body image perception and, body composition is lacking. Furthermore, research in the effects of resistance training on menstrual cycle-related changes on both perceived and measured body composition are inexistent. Findings from this study have the potential to increase the knowledge about resistance training's effects in modulating body image perception throughout the menstrual cycle. Further understanding of these responses may set the groundwork to develop exercise intervention programs to reduce the risk of developing more serious mental conditions linked to unhealthy body image perception.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
6
This intervention will take place on day 4 of the participants' menstrual cycle. This will correspond to the mid-point of the early follicular phase (EFP).
The intervention will take place on day 8 of the participants' menstrual cycle. This will correspond to the mid-point of the late follicular phase (LFP).
The intervention will take place on day 18 of the participants' menstrual cycle. This will correspond to the mid-point of the early luteal phase (ELP).
Southern Illinois University Edwardsville
Edwardsville, Illinois, United States
Body Image Perception through questionnaire
Participants will be distributed the Multidimensional Body-Self Relations Questionnaire-Appearance Scale (MBSRQ-AS) to measure their body image perceptions.
Time frame: Through study completion: an average of 1 month
Body Image Perception through drawing scale
Participants will be distributed the Contour Drawing Rating Scale to measure their body image perception.
Time frame: Through study completion: an average of 1 month
Barriers to Weight Control
Participants will be distributed the Survey of Barriers to Weight Control to measure their body image perception.
Time frame: Through study completion: an average of 1 month
Fat Mass in Kilograms
We will measure fat mass using the Dual-Energy Xray Absorptiometry (DXA)
Time frame: Through study completion: an average of 1 month
Lean Body Mass in Kilograms
We will measure lean body mass using the Dual-Energy Xray Absorptiometry (DXA)
Time frame: Through study completion: an average of 1 month
Relative Body Fat
We will measure relative body fat (percentage) using the Dual-Energy Xray Absorptiometry (DXA)
Time frame: Through study completion: an average of 1 month
Bench Press One Repetition Maximum
Participants muscular strength will be assessed by a one-repetition (1RM) on bench press
Time frame: At baseline: 1 assessment point prior randomization
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The intervention will take place on day 25 of the participants' menstrual cycle. This will correspond to the mid-point of the late luteal phase (LLP).
Leg Press One Repetition Maximum
Participants lower body muscular strength will be assessed by a one-repetition (1RM) on leg press
Time frame: At baseline: 1 assessment point prior randomization
Dietary habits
The participants diet will be recorded using the ASA-24h recall
Time frame: Before each exercise session: 1 assessment point on each menstrual cycle phase
Estrogen (Estradiol) levels
Blood will be drawn from the participants for assessment of the estrogen hormone
Time frame: Before each exercise session: 1 assessment point on each menstrual cycle phase
Progesterone levels
Blood will be drawn from the participants for assessment of the progesterone hormone
Time frame: Before each exercise session: 1 assessment point on each menstrual cycle phase