Upper-body lumbar crunch
Lumbar - Rear Deltoid

- Lying face down.
- Place your hands behind your head.
- Perform a lumbar contraction so that your chest lifts off the ground.
Sessions
Medina Lumbar Reinforcement
Beginner
Lumbar ∙ Glutes ∙ Hamstrings ∙ Rear Deltoid
Runners Delight
Intermediate
Quadriceps ∙ Glutes ∙ Hamstrings ∙ Triceps ∙ Abs ∙ Hip Flexors
Runners Hell
Intermediate
Quadriceps ∙ Glutes ∙ Hamstrings ∙ Triceps ∙ Abs ∙ Hip Flexors
Nobita Fullbody Total Beginners
Beginner
Abs ∙ Triceps ∙ Hip Flexors ∙ Lower Chest ∙ Glutes ∙ Hamstrings
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