Isometric one arm up-middle-down pull-ups
Forearms - Biceps - Lats

- At a bar, pull up with both hands until your chin passes the bar.
- At that moment, release one of your hands and hold the position for a determined amount of time.
- Then lower yourself until your head is just below the bar and hold it there.
- Finally, lower down until your arm is completely locked and hold again.
You may also like

Leg assisted front lever on parallel bars
Abs ∙ Biceps ∙ Lats

Narrow grip muscle up
Biceps ∙ Triceps ∙ Lats ∙ LowerChest

Neutral pull-ups
Biceps ∙ Lats

Fallen tucked flag
Obliques ∙ Abs ∙ AnteriorDeltoid ∙ Biceps ∙ Lats ∙ Triceps ∙ UpperChest ∙ UpperTrapezius

Support position with rotation on rings
Triceps ∙ Biceps ∙ Abs ∙ ExternalRotators ∙ LowerChest

Wrist-assisted one arm pull-ups
Biceps ∙ Lats ∙ Forearms