Definition

The muscles of the trunk and pelvis responsible for stability and force transfer, not just abs. What people train hoping for a six-pack but end up with planks and regret.

Example Usage

Core training isn't just crunches - it includes anti-rotation and stability work.

Origin

Term popularized in the 1990s-2000s by physical therapists and functional training advocates.

Fun Fact

Your core includes over 35 different muscles, from your shoulders to your hips, making the term 'core workout' hilariously vague.

Source: Functional training and physical therapy terminology

Related Terms

Beginner

mirror muscles

The vanity-driven muscle groups that people obsessively train because they're visible in gym mirrors—chest, biceps, abs—while neglecting everything else. The fitness equivalent of a movie set facade with nothing behind it.

⚽ Sports / Fitness
Intermediate

zone 3

The moderate-intensity training zone between comfortable aerobic work and hard threshold efforts, also known as 'no man's land' because it's allegedly too hard for easy days and too easy for hard days. Every endurance athlete's accidental default pace.

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Advanced

max effort

Training with maximum possible intensity, typically near or at one-rep max loads. The Westside Barbell principle that separates the brave from the smart.

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sarcopenia

The age-related loss of muscle mass and strength, typically beginning around age 30 and accelerating after 60. Biology's way of saying 'use it or lose it' becomes less suggestion and more threat.

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Burpee

An exercise invented by someone who clearly hated humanity, combining a squat, push-up, and jump into one movement that makes you question every life choice that led you to this moment. Named after Royal Burpee, a physiologist with a suspiciously villainous-sounding name.

⚽ Sports / Fitness
Intermediate

box jump

A plyometric exercise involving jumping onto an elevated platform, testing explosive power and your insurance coverage. Looks impressive until you discover shin-meets-box failure videos.

⚽ Sports / Fitness

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roffle

rolling on the floor laughing...