K
While the muscle is relaxed, only K+ channels are open. K+ continually floods out and this loss of positive charge keeps the inside of the cell at a negative membrane potential (about -90mV). This is the resting membrane potential.
While the muscle is relaxed, only K+ channels are open. K+ continually floods out and this loss of positive charge keeps the inside of the cell at a negative membrane potential (about -90mV). This is the resting membrane potential.
