climbing up on oneself

A clinical sign for the manner in which children with well-developed Duchenne’s muscular dystrophy (DMD) rise from a sitting to a standing position by grasping and pulling on body parts from the knees to hips until they are in an erect position
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

climbing up on oneself

Gower sign Neurology A clinical sign for the manner in which children with well-developed Duchenne's muscular dystrophy–DMD, rise from a sitting to a standing position, by grasping and pulling on body parts from the knees to hips until they are in an erect position
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.