Beginner
Knee raises hold
Abs - Hip flexors - Forearms

- In an elevated bar, raise your knees up to your chest and hold them there for 3 seconds.
- Return to the starting position to complete one repetition.
- For proper technique, try to retract your scapulae from the beginning of the movement and bring your knees as close to your chest as possible.
Sessions
You may also like

Leg raises on the ground
Beginner
Abs ∙ HipFlexors

Tucked v-sit
Intermediate
Abs ∙ Triceps ∙ HipFlexors ∙ RearDeltoid

Handstand with posterior pelvic tilt facing the wall
Intermediate
Abs ∙ AnteriorDeltoid ∙ Glutes ∙ Hamstrings ∙ UpperTrapezius ∙ Serratus ∙ Triceps ∙ UpperChest

Assisted skin the cat hold on parallel bars
Beginner
Abs ∙ Hamstrings ∙ AnteriorDeltoid ∙ Lats ∙ UpperChest

Tucked hollow body crunches
Beginner
Abs ∙ HipFlexors

Straddle hollow body hold
Intermediate
Abs