71. Quad Strength: The Key to Longevity?
From Lifting, Running and Living with Kelly and JK by Kelly Lutz and JK McLeod
February 13, 2026 · 46 min · Episode 71
About this episode
Kelly and JK discuss quad strength's impact on longevity, personal updates, and future topics in health and fitness.
In this episode of Lifting, Running, and Living, Kelly and JK dive into several engaging topics. They kick off with personal updates, including Kelly's transition into a new job and the challenges of remote onboarding, and JK's upcoming launch of a monthly subscription training platform. They also cover Kelly's recent running progress and the adaptability required for training in varying weather conditions. The episode highlights an intriguing study on the significance of quad muscle thickness in predicting longevity, especially among older adults with heart failure, sparking a discussion on the importance of resistance training. The show wraps up with plans to explore the intersection of morality and wellness in a future episode. Tune in for a dynamic blend of personal updates, fitness insights, and thought-provoking topics. 00:00 Introduction and Episode Kickoff 01:08 Kelly's New Job Experience 06:51 Running Updates and Training Insights 09:13 Launching a New Training Program 23:25 Social Media Detox Discussion 24:28 Digital Detox: Reversing Cognitive Decline 26:00 The Impact of Quad Strength on Longevity 31:50 Gender Differences in Fitness Focus 36:27 The Role of Ultrasound in…
People in this episode
Hosts: Kelly Lutz, JK McLeod
Topics covered
- quad strength
- longevity
- resistance training
- running updates
- digital detox
- fitness insights
- morality and wellness
Keywords
- quad muscle thickness
- longevity
- heart failure
- resistance training
- running
- digital detox
- fitness
- morality
- wellness
Mentioned in this episode
Organizations: Lifting, Running, and Living, social media, training platform, Ultrasound
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