A medical support (100), comprising a first portion (200) comprising a groove (210) in the first portion extending longitudinally along the length of the first portion and configured to at partially enclose the lower part of the leg. The medical support further comprises a second portion (300) comprising a base portion (310) extending longitudinally along the length of the second portion, and at least one support structure (320) arranged at at least one longitudinal side of the base portion and configured to support at least a portion of the upper part of the leg. The first portion and the second portion are interconnected by a length-adjustable element (400) arranged in the longitudinal direction of the medical support and configured to adjust the length of the medical support.