What structure is present on the second cervical vertebra (c2 or axis) that allows you to rotate your neck to say "no? " what structure is present on the second cervical vertebra (c2 or axis) that allows you to rotate your neck to say "no? " posterior tubercle transverse ligament body dens (odontoid process)?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.