Physical Therapy in Merrimack Valley for Knee
Mark off lines at 10m, 20m and 30m, (or a similar variation).
From the baseline, sprint forward and touch the 10m line with your hand, then run backwards to the baseline.
Sprint forward and touch the 20m line, then run backwards to the baseline.
Sprint forwards and touch the 30m line and run backwards to the baseline. This completes one set.
Try to decrease your time to complete the set.
Repeat as advised by your Gemini Physical Therapy Spine & Sports Rehabilitation Physical Therapist.