Hold whichever pose for 15 seconds to start and work up to a minute. Why it works: Isometric exercises tax the endurance in the most subtle of ways: by requiring you to hold them and not move a ...

Surface EMG data were collected from the vastus medialis oblique (VMO), vastus lateralis (VL), and gluteus medius (Gmed) muscles of the dominant leg of each subject during three single leg, weight ...