Does anyone know of a book about TRX exercises? I can't seem to find anything. Thanks.
You would think it might be easier to find a nice, supportive online forum for fitness and exercise, but it's not. I came across this forum and it looks quite promising, so here I am. I'm a 58 yr old guy in northeastern Massachusetts and I've been doing kickboxing, aerobic classes and freeweights for nearly 18 months at my…