So, you've been running for 4...6...10...18...24...hours. Yes, your legs are tired. But, what about your respiratory muscles? Are they suited to breathing heavily for that long? Do they fatigue? Does greater effort to breath in a long ultra translate into higher ratings of perceived exertion? Check out my interview with Darlene Reid, PhD to learn the answers to those questions and how you can train your respiratory muscle to become your ultra best!
Dateline NBC
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations.
Death, Sex & Money
Anna Sale explores the big questions and hard choices that are often left out of polite conversation.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.