RGMax - both fairly quiet until when about to lift box --> activity increases sharply, peak 25-40%
RGMed - similarly activated but smaller mag `20%
RRF - activity normal
RBF - increasing steadily til midphase then sudden increase; peak just prior to or at lift ~40%

Up Phase
LRA - peaks again ~midphase; all 3 muscles decreasing activity 4.5 - 9%; during break - still increasing
RUES - decreasing together; activated simultaneously, steadily until end of lift
RLES - decreasing together; activated simultaneously, steadily until end of lift
RGMax - both continue to increase after lift; but double hump, decrease steadily to midphase then shuts off, 30-40%
RGMed - same activation as RGMax, 20-25%
RRF - minimal activity
RBF - still increasing during pause, then decreases steadily until end of phase

RLD - similar activation profile as RUES & RLES, peak @ lift ~ 20%, then steadily shuts off ~ midphase