1. Changes in sagittal ground reaction forces after intra-articular hyaluronate injections for knee osteoarthritis1 
Simon F Tang, MD, Carl P Chen, MD, Max J Chen, MD, Yu-Cheng Pei, MD, Yiu-Chung Lau, MD, Chau-Peng Leong, MD 
Archives of Physical Medicine and Rehabilitation 
Volume 85, Issue 6, Pages (June 2004)
DOI: /j.apmr

2. Fig 1
Comparison of sagittal GRF in the control and knee OA groups, before intra-articular (IA) hyaluronate (HA).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

3. Fig 2
Comparison of sagittal GRF in knee OA groups, before and after intra-articular hyaluronate treatments.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )