The NASM-CPT Podcast With Rick Richey

Calf Anatomy and Function for Fitness Trainers

·23 min·2 clips
Arnold Schwarzenegger cut the bottoms off his sweatpants because he despised his 'chicken leg' calves.
The episode begins with Rick Richey introducing the topic of calf anatomy and function. He shares an anecdote about Arnold Schwarzenegger's insecurity over his calves, which he called 'chicken legs.' Richey explains the etymology of the word 'calf,' tracing it to an old Norse term meaning 'swelling.' He identifies the two main calf muscles: the gastrocnemius and soleus, collectively known as the triceps surae. The host delves into the gastrocnemius, describing its origins on the femur and its insertion via the Achilles tendon. He details its joint actions, including knee flexion and plantar flexion, and offers exercise insights like using dorsiflexion in hamstring curls. Richey contrasts the gastrocnemius with the soleus, noting the soleus is deeper and flatter, named for its resemblance to a sandal. He uses the mnemonic 'stand on your soul, gas explodes' to differentiate their functions: the soleus as a postural workhorse and the gastrocnemius for explosive movements. The episode covers exercises such as calf raises and squats, explaining how calves contribute to standing up from a squat. Richey emphasizes the calves' role as a 'second heart,' pumping deoxygenated blood back to the heart to prevent blood pooling and reduce clot risks. He advises movement during long flights or sitting periods to maintain circulation. The episode concludes with practical tips and a call to action for listeners.

As heard by us

A concise calf-focused episode that connects joint action, foot position, and the second-heart idea to smarter training.

Calves become a surprisingly rich subject here, positioned between bodybuilding insecurity and the mechanics of moving well. The episode starts with Arnold Schwarzenegger's frustration over a weak point below a massive upper body, then lets Rick Ritchie move from muscle-name…

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You want to know why calf anatomy can change what you notice in a runner's stride? Press play.

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