A Dire Need For Interval Training, A Cautionary Tale by Calamity Jane

Her lungs creak like an old rocking chair, in, out, in, out.  She promised me she’d do more interval training and work on leg strength between now and the last time we’d met, but I’m getting a little suspicious she did not do so.  I’m not going to ask, though, because I don’t want

Source: A Dire Need For Interval Training, A Cautionary Tale by Calamity Jane