classical - all 5 digit - “transverse hemiamputation”

but extended definition: e.g. normal thumb, SF, partial thumb and SF

Phalangization: web deepening, adductor proximal transposition, bone lengthening - interposition or end with flap

interposition only if tip skin is good

rotational osteotomy 5th MC to make opposition OK

big toe transfer

individual toes vs 2nd-3rd block transfers (Fu WC)

Dieter Buck-Gramcko's chapter