What Makes Exercise Feel More Difficult to Women With and Without Type 2 Diabetes
Given that sedentary behavior is associated with T2DM, the purpose of this study is to evaluate whether subjects with T2DM have a significant disincentive to performing exercise (due to greater perceived effort) . This study will prospectively compare the perceived exercise effort between T2DM and non-diabetic women while adjusting for potential confounders including baseline physical activity. This study will also assess whether perception of effort is associated with physiologic parameters related to exercise effort. Finally, we have 3 hypothesis-generating exploratory aims designed to screen for additional psychological and physiologic parameters that may increase perceived effort in those with T2DM.
Hypothesis 1: At the same absolute workload (e.g., 30 watts) and the same relative workloads, it is a greater effort for women with T2DM to exercise than for non-diabetic women.
Specific Aim 1: To determine differences in subjective perceived effort of bicycle exercise at low-to-moderate workloads in sedentary women with Type 2 Diabetes Mellitus (T2DM) vs. non-diabetic sedentary women.
Hypothesis 2: There will be a significant association between RPE and the physiologic measures related to work intensity (e.g., relative work intensity and tau2).
Specific Aim 2: In the same populations as SA1, to determine the strength of association during bicycle exercise between subjective perceived effort and physiologic measures related to work intensity.
Exploratory Aim 1: In the T2DM group described in SA1, to determine the strength of association during bicycle exercise between subjective effort and additional physiologic measures
Exploratory Aim 2: In the T2DM group described in SA1, to determine the strength of association during bicycle exercise between subjective effort and psychologic measures related to perception of effort.
Observational Model: Cohort, Time Perspective: Prospective
Type 2 Diabetes
University of Colorado Denver
University of Colorado, Denver
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00785005
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).
Diabetes Mellitus, Type 2
A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
Hyperlipoproteinemia Type V
A severe type of hyperlipidemia, sometimes familial, that it is characterized by the elevation of both plasma CHYLOMICRONS and TRIGLYCERIDES contained in VERY-LOW-DENSITY LIPOPROTEINS. Type V hyperlipoproteinemia is often associated with DIABETES MELLITUS and is not caused by reduced LIPOPROTEIN LIPASE activity as in HYPERLIPOPROTEINEMIA TYPE I .
Urination of a large volume of urine with an increase in urinary frequency, commonly seen in diabetes (DIABETES MELLITUS; DIABETES INSIPIDUS).
Diabetes Mellitus, Type 1
A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.
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