F wave - Overview. 1  In a typical F wave study, a strong electrical stimulus (supramaximal stimulation) is applied to the skin surface above the distal portion of a nerve so that the impulse travels both distally (towards the muscle fiber) and proximally (back to the motor neurons of the spinal cord).
In his follow-up album, 1987's Bigger and Deffer, LL Cool J showed his softer side with the popular ballad, I Need Love. The song became a hit on both the rap and pop charts. Two years later, he was back on the charts with his album Walking with a Panther.
In 1992, Lewis was cast as one of the back-up singers to Whoopi Goldberg in comedy film Sister Act. The following year, Lewis played the mother of Tupac Shakur's character in drama film Poetic Justice, and as Zelma Bullock, Tina Turnerâs mother in the biopic What's Love Got to Do With It starring Angela Bassett.