Extensor Indicis / Extensor Pollicis Longus (single tendon central of thumb)
... Ext. Indicis more ulnar side less prox.
- Tension = Prox. (almost central / dorsal portion of wrist)
- Mvt - Ext (1st finger / thumb) -> Flx (thumb/ 1st finger + wrist) ... thumb inside then 1st finger then curl wrist + sl pron.