- By LIVESTRONG.COM
If you're struggling to sustain a plank, don't sweat it. Once you pinpoint the problem, you can focus on fixing it. Here, Geoff Tripp, CSCS, certified personal trainer and head of fitness at Trainiac, shares what might be holding you back from holding a plank, plus advice to help you improve your plank performance.
- By AskMen
AskMen spoke with doctors, psychologists and sexperts to help simplify the science behind getting hard. Here's everything you've ever wanted to know about erectile dysfunction, from its causes (including surprising culprits like lack of sleep) to innovative new treatment solutions that go beyond the little blue pill.