H W Christensen

Precision and accuracy of an electrogoniometer.

H W Christensen, 1999, Journal of manipulative and physiological therapeutics.

The ability to reproduce the neutral zero position of the head.

N Nilsson, H. W. Christensen, H W Christensen, 1999, Journal of manipulative and physiological therapeutics.

Natural variation of cervical range of motion: a one-way repeated-measures design.

N Nilsson, H. W. Christensen, H W Christensen, 1998, Journal of manipulative and physiological therapeutics.