Abstract
INTRODUCTION: Younger women typically exhibit marked dilation of the common femoral artery (CFA) during knee extensor exercise; this is in apparent contrast to subject groups with larger (men) and/or older (older women) vessels, which on average display much smaller exerciseinduced increases in CFA diameter. To gain additional insight into this variation, the present study closely examined within- and between-group relationships between CFA diameter, shear rate, and the magnitude of exercise-induced CFA dilation.
METHODS: Healthy women (15 younger, 18 older) and men (15 younger, 13 older) performed graded single-leg knee extensor exercise while CFA diameter and blood velocity were measured using Doppler ultrasound.
RESULTS: Resting CFA diameter was smaller (P < 0.05) in women (younger: 0.71 +/- 0.02 cm; older: 0.72 +/- 0.02 cm) as compared to men (younger: 0.84 +/- 0.01 cm; older: 0.97 +/- 0.03 cm). Resting CFA diameter was inversely associated with peak shear rate (combined groups,
| Original language | English |
|---|---|
| Pages (from-to) | 1875-1875 |
| Journal | Medicine & Science in Sports & Exercise |
| DOIs | |
| State | Published - Oct 20 2010 |
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Gonzales, J., Midelar, J. A., Parker, B. A., & Proctor, D. N. (2010). Relation of femoral diameter, shear rate, and dilatory response to knee extensor exercise. Medicine & Science in Sports & Exercise, 1875-1875. https://doi.org/10.1249/MSS.0b013e3181dd1c99