Skip to main content
. 2011 Oct;3(10):456–461. doi: 10.4297/najms.2011.3456

Fig. 3.

Fig. 3

(a): Application of central postero-anterior pressure and assessment of joint play (without spinal muscle contraction); (b): Application of central postero-anterior pressure and assessment of joint play (with spinal muscle contraction- note the lifted knees indicated by an arrow).