Yoga teacher Jenni Rawlings and Exercise Science professor Travis Pollen are joined by Greg Nuckols to discuss the connection between strength training and range of motion. Greg has an M.A. in exercise and sports science and is the co-founder of Stronger by Science, MASS (a monthly research review on strength sports), and MacroFactor (a nutrition app). He’s held three all-time world records in powerlifting, is an international speaker, and the author of multiple books.

Points of discussion include:

• What is Greg’s surprising personal connection to the yoga world?
• How does strength training affect one’s range of motion?
• What caveats should we be aware of when it comes to the research on strength training and ROM?
• How do the short term and long term effects of stretching differ?
• What’s the scientific definition for the term “stiffness” and how is it different from the typical layperson’s understanding of this term?
• How might active and passive stretching affect ROM differently?
• Are active and passive stretching actually distinct categories?
• How do researchers measure how hard a muscle is contracting?
• What factors play a role in ROM besides tissue extensibility?
• What are the mechanisms by which we increase ROM?
• What is a sarcomere? What role does it play in flexibility?
• What is stretch tolerance? What role does it play in flexibility?
• How does PNF stretching affect flexibility?
• In warm up, is it better to do active or passive stretching first?
• What’s the connection between eccentric strength training and ROM and injury prevention?
• …And much more!

Enjoy this engaging and eye-opening discussion for yoga, movement, and fitness geeks!

Resources mentioned in this episode:

Stronger by Science (co-founded by Greg Nuckols)

MASS research review (co-founded by Greg Nuckols)

MacroFactor nutrition app (co-founded by Greg Nuckols)

Follow Stronger by Science / Greg Nuckols on Instagram

Jenni’s email newsletter

Strength for Yoga Remote Group Training – ongoing, interactive monthly strength program for yogis designed by Jenni & Travis

Online yoga class library & yoga anatomy workshops with Jenni

Strength for Yoga email newsletter

Article: Strength training is as effective as stretching for improving range of motion: A systematic review and meta-analysis

Article: Range of Motion Predicts Performance in National-Level New Zealand Male Powerlifters

To find out more about Travis Pollen: website /

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