Beginner
Lumbar isometric crunch
Lumbar

- 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
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Lumbar ∙ AnteriorDeltoid ∙ LowerChest ∙ Triceps
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Biceps ∙ Abs ∙ Calves ∙ Glutes ∙ Hamstrings ∙ HipFlexors ∙ Lats ∙ LowerChest ∙ Lumbar ∙ Quadriceps ∙ Triceps
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Intermediate
Triceps ∙ Lumbar ∙ LowerChest ∙ UpperChest
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Beginner
Triceps ∙ LowerChest ∙ Lumbar
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Triceps ∙ Abs ∙ Lumbar ∙ LowerChest