Or OS for short.
Remember if you're joining me on the ride on instagram, tag your photos with #OperationS so we can all check each other's progress!
Here are my Day 1 morning measurements:
Weight: 109 lb
Body fat: 21 %
Upper arm: 9.25 unflexed; 10.5 flexed
|A very handy guide to how and where to measure so that you get it accurate every time! And use this so that you know where to measure next time in case you forget!|