352
Participants
Start Date
August 2, 2021
Primary Completion Date
May 12, 2025
Study Completion Date
May 12, 2025
Isometric Contraction Exercise - Young Adults (Age group 18-39)
Subjects will be asked to lie supine on MRI table with the 31P surface coil placed over the right vastus lateralis, and straps to immobilize the leg. At the start of the scan session, the investigators will instruct the participant on the isometric contraction exercise and coach the participant through a demonstration. The average flexion repetition time is on the order of 1.5 s for a 30 s duration at maximum kick intensity.
Isometric Contraction Exercise - Middle Age Adults (Age group 40-59)
Subjects will be asked to lie supine on MRI table with the 31P surface coil placed over the right vastus lateralis, and straps to immobilize the leg. At the start of the scan session, the investigators will instruct the participant on the isometric contraction exercise and coach the participant through a demonstration. The average flexion repetition time is on the order of 1.5 s for a 30 s duration at maximum kick intensity.
Isometric Contraction Exercise - Old Adults (Age group >60)
Subjects will be asked to lie supine on MRI table with the 31P surface coil placed over the right vastus lateralis, and straps to immobilize the leg. At the start of the scan session, the investigators will instruct the participant on the isometric contraction exercise and coach the participant through a demonstration. The average flexion repetition time is on the order of 1.5 s for a 30 s duration at maximum kick intensity.
Pennington Biomedical Research Center, Baton Rouge
University of Colorado, Denver
OTHER
University of Pittsburgh
OTHER
The University of Texas Health Science Center at San Antonio
OTHER
AdventHealth Translational Research Institute
OTHER
Stanford University
OTHER
Wake Forest University Health Sciences
OTHER
Pennington Biomedical Research Center
OTHER