Lumbar isometric crunch

Lumbar

Lumbar isometric crunch

Lying face down.
Place your hands behind your head and perform a lumbar contraction so that your chest lifts off the ground.
Hold this position for a set amount of time.

Sessions

JESS FULL BODY NO MATERIAL

Intermediate

Lats ∙ Upper Trapezius ∙ Lower Trapezius ∙ Upper Chest ∙ Lower Chest ∙ Abs

Medina Lumbar Reinforcement

Beginner

Full body

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