The Great Lock-In Challenge: Benefits, Dangers, Should You Do It
Bears hibernate in the winter. But the woman in the slicked-back bun hitting the 12-3-30 combo on the treadmill? She gets ready to lock in. It is, in fact, time for “the great lock-in.” Never heard of it before? Do you remember last year when everyone was talking about their “winter arc” and essentially focusing … Read more