Core

KOR /kɔːr/
nounadjectiveB1IELTS
neutralinformal

The central trunk or deep abdominal and back muscles that stabilize the torso.

In physical wellness, core does not mean just 'six-pack' abs; it encompasses the entire muscular canister stabilizing the spine and pelvis.

The story behind the word. Traced back to Latin 'cor' (heart). Just as the heart sits at the central, vital interior of life, the muscular core forms the central stabilizing heart of physical movement.

Word relationships

  • center: Center refers generally to middle point, whereas core in bodywork explicitly denotes stabilizing trunk muscles.
  • periphery: Periphery refers to outer edges or limbs away from the central torso.

Commonly confused with

  • Abdominals: Abdominals are just one subset of core muscles, which also include diaphragm, pelvic floor, and deep back muscles.

Word family

  • cored (adjective): Having the central part removed or defined.

Collocations

  • core strength
  • core stability
  • engage your core
  • core muscles

Idioms & expressions

  • rotten to the core
  • at the core

Example sentences

  • "Engaging your core before lifting helps support your lower back and maintain balance." Fitness training
  • "A strong core serves as the foundation for all fluid movement throughout the limbs." Pilates instruction

Memory hook

Think of an apple CORE—it is the central structure holding everything together from the inside out. The central pillar of your torso.

When not to use

Avoid using core to describe limbs or distal extremities.

Fun facts

  • The term 'core training' was popularized in late 1990s physical therapy before becoming a staple in commercial fitness routines.

Related words

Alignment, Posture, Tension

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