It’s clear that the shirtless, perfectly chiseled fitness model on the magazine cover at your local grocery store is in peak shape, but it’s less clear how he got into that shape in the first place.

Instagram fitness model Michelle Lewin, who has 13.4 million followers, had a recent photo session on Big Major Cay island in Exuma, the Bahamas. The area is famous for its wild pigs, which swim in ...