The hypothesis of the present study is that physical training can oppose detrimental changes in cardiovascular and metabolic health associated with estrogen loss after menopause.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
36
After the baseline studies the pre and postmenopausal women will be randomized to spinning training groups and the intervention will last for 3 months. The spinning group will spin three times per week under guidance of a trained instructor. The training is heart rate monitored.
University of Copenhagen
Copenhagen, Denmark
Leg vascular function
Measurements of leg blood flow by ultrasound doppler during exercise and during femoral arterial infusion of vasodilators
Time frame: Baseline comparison and changes from baseline to 3 months
Cardiac structure and function
Magnetic resonance imaging and transthoracic echocardiography
Time frame: Baseline comparison and changes from baseline to 3 months
Platelet function
Platelet aggregation assay of whole blood and platelet rich plasma
Time frame: Baseline comparison and changes from baseline to 3 months
Expression of proteins in muscle samples
Western Blot analysis of proteins of relevance for vascular function and metabolism
Time frame: Baseline comparison and changes from baseline to 3 months
Maximal aerobic effect
Maximal oxygen uptake during an incremental cycle ergometry test with gas analysis
Time frame: Baseline comparison and changes from baseline to 3 months
Genomic profile in blood samples
Genomic analysis of parameters for vascular and metabolic health
Time frame: Baseline comparison and changes from baseline to 3 months
Insulin sensitivity and glycaemic control
Fasting plasma glucose analysis and oral glucose tolerance test
Time frame: Baseline comparison and changes from baseline to 3 months
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Arterial blood pressure
Time frame: Baseline comparison and changes from baseline to 3 months
Gene expression of proteins in muscle samples
Gene analysis of relevance for vascular and metabolic function
Time frame: Baseline comparison and changes from baseline to 3 months
Health related parameters in blood
Plasma lipid status and other variables related to vascular health
Time frame: Baseline comparison and changes from baseline to 3 months