To cut holes in cement backer board to use under tile, equip a portable jigsaw or sabre saw with a metal cutting blade. To start the saw in cement backer board, drill a hole though the backer board large enough for the jigsaw blade or make a plunge cut with the blade in the backer board. Always be sure to wear dust and eye protection when cutting cement backer board. Watch this video to find out more.
The insulin spike didnât even increase muscle blood flow! What appears to have happened was, because they used a protein source (whey) that has already been shown to maximally stimulate post-exercise protein synthesis as well as increase insulin levels, no further anabolic effect was possible even from an insulin spike.
1 Cue: sugar crash. 2  Insulin also blocks production of leptin, the hunger hormone that tells your brain that you're full. 3  The higher your insulin levels, the hungrier you will feel (even if you've just eaten a lot). 4  Now in a simulated starvation mode, your brain directs your body to start storing glucose as belly fat.