The ultrasound and dynamometer data originated from a largely ... For the QUAD muscles (i.e., the vastus lateralis (VL), rectus femoris (RF), vastus medialis (VM) and vastus intermedius (VI)), the ...

But after a couple of years of work, xMEMS has arrived at the next generation — ultrasound through a solid-state speaker. This tiny, 1mm-thin speaker is called Cypress, and after listening to it ...