One arm scapular retraction
Lats - Lower Trapezius - Forearms

- Hang from the bar with one hand.
- Try to bring your shoulder blades together, without bending the arm
- Good movement to strengthen the one-arm pull-up.
Sessions
You may also like

Flag elevations
Obliques ∙ Lats ∙ AnteriorDeltoid ∙ Biceps ∙ UpperChest ∙ Triceps ∙ Abs ∙ UpperTrapezius

Jump-assisted muscle up
Triceps ∙ Biceps ∙ Lats ∙ LowerChest

Muscle up to front lever
Biceps ∙ Triceps ∙ Abs ∙ Lats ∙ LowerChest

Olympic muscle up
Triceps ∙ Abs ∙ HipFlexors ∙ Lats ∙ LowerChest ∙ Biceps

Supine waist pull-ups
Biceps ∙ Lats

Strict muscle up
Biceps ∙ Triceps ∙ Lats ∙ LowerChest