Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Harrison’s categorization of the thoracic cage relative to the pelvis. There are 12 simple movements in 6 degrees of freedom in three-dimensions. These 12 postures can be decomposed into 6 translations (±Tx, ±Ty, ±Tz) and 6 rotations (±Rx, ±Ry, ±Rz). (Image compliments of CBP Seminars, Inc).
