At least 12 U.S. weed species no longer respond to glyphosate, and since some seeds are windborne, resistance moves easily from one farm to another. (discovermagazine.com)
Stability ball: Doing resistance moves or sitting on this oversize ball demands serious core strength to keep from rolling over. (health.com)
I've included some strength - building resistance moves in the mix to lift and sculpt the booty and legs! (thebettyrocker.com)