Massage is off limits until at least April 30, according to Governor Sisolak's 04.01.2020
Declaration of Emergency Directive 20-010.
Yet, it is important that you maintain muscle health during this break. If working out at home, then a dynamic warm up and cool down with stretching 30-60 minutes afterward will keep your muscles healthy.
If you've fallen into couch potato mode, then know that stiffness and trigger points will result from being in any one position for a length of time. So I recommend standing up from time to time and doing dynamic movements to increase blood circulation, which will nourish your muscles.
Glen if you have any questions about maintaining your muscle health at this time.