Crossed mountain climbers
Abs - Hip Flexors - Obliques

- On the floor in a push-up position.
- Quickly bend one knee, bringing it towards the opposite elbow, and then extend it back out.
- Alternately and quickly switch between both legs for a set amount of time.
Sessions
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Isometric single leg femoral bridge with elevation
HipFlexors ∙ Hamstrings

L-sit to straddle plank
Triceps ∙ Abs ∙ HipFlexors ∙ AnteriorDeltoid ∙ LowerChest ∙ Serratus ∙ UpperChest ∙ UpperTrapezius

L sit a tucked planche
Triceps ∙ Abs ∙ HipFlexors ∙ AnteriorDeltoid ∙ LowerChest ∙ Serratus ∙ UpperChest ∙ UpperTrapezius

Up and down
Abs ∙ Triceps ∙ LowerChest

L-sit pull-ups with supine turn
Biceps ∙ Abs ∙ HipFlexors ∙ Lats ∙ Forearms

Front lever raises
Biceps ∙ Abs ∙ Lats ∙ RearDeltoid