Isometric upper-body lumbar 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
You may also like

Straddle press with bent elbows
Triceps ∙ AnteriorDeltoid ∙ Lumbar ∙ UpperChest ∙ Serratus ∙ UpperTrapezius

Straddle press
Triceps ∙ AnteriorDeltoid ∙ Lumbar ∙ Serratus ∙ UpperChest ∙ UpperTrapezius

Stand up pancake with twist
Glutes ∙ Hamstrings ∙ Lats ∙ Lumbar ∙ Obliques

Kettlebell sumo deadlift
Quadriceps ∙ Glutes ∙ Hamstrings ∙ Lumbar

Low bar swing
Triceps ∙ LowerChest ∙ Lumbar

Elastic band assisted straddle planche
Triceps ∙ UpperChest ∙ UpperTrapezius ∙ LowerChest ∙ Lumbar ∙ AnteriorDeltoid