1. Functional Recovery After Anterior Cruciate Ligament Reconstruction: A Longitudinal Perspective 
Diana M. Hopper, PhD, Geoff R. Strauss, MPE, Jeff J. Boyle, PhD, Jonathan Bell, MSc 
Archives of Physical Medicine and Rehabilitation 
Volume 89, Issue 8, Pages (August 2008)
DOI: /j.apmr
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2. Fig 1 The crossover hop test.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3. Fig 2 The stair hop test: (A) timing gate and (B) marker.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4. Fig 3
Hop test performance scores for the uninjured and reconstructed limbs at 12, 18, 26, 39, and 52 weeks after ACL reconstruction (N=19). (A) 6-m timed hop, (B) crossover hop, (C) stair hop, and (D) vertical hop. Error bars represent 95% confidence intervals.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

5. Fig 4
Hop test performance trends, as represented by mean limb symmetry indices at 12, 18, 26, 39, and 52 weeks after ACL reconstruction.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

6. Fig 5
Distribution of normative (≥85%) and abnormal limb symmetry indices (<85%) for 4 hop tests performed at 12, 18, 26, 39, and 52 weeks after ACL reconstruction. (A) 6-m timed hop, (B) crossover hop, (C) stair hop, and (D) vertical hop. Values are recorded as a cumulative number of subjects (N=19 for all hop tests).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions