Abstract #4245
MSK hemodynamics at quadriceps using blood-oxygen level dependent (BOLD) MRI at 3T; Volitional exercise VS Neuromuscular Electrical Stimulation (NMES)
Junghwan Kim 1,2 , Serter Gumus 2 , Piva Sara Regina 3 , Tae Kim 2 , Tamer Ibrahim 1,2 , and Kyongtae Ty Bae 1,2
1
Bioengineering, University of Pittsburgh,
Pittsburgh, PA, United States,
2
Radiology,
University of Pittsburgh, Pittsburgh, PA, United States,
3
Physical
Therapy, University of Pittsburgh, Pittsburgh, PA,
United States
The BOLD MR imaging was performed at quadriceps to
understand the hemodynamics at volitional exercise (VE)
and neuromuscular electrical stimulation (NMES).
Near-infrared spectroscopy (NIRS) was used to measure
the total, deoxy- and oxy- hemoglobin concentrations to
understand the mechanism of muscle hemodynamics.
Measured NIRS data was then used for calculation of BOLD
signal and compared to the BOLD MRI.
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