A strength coach is programming return-to-sport activities for an athlete recovering from a hamstring strain. Which criterion is the MOST reliable indicator of readiness to return to full-speed sprinting?
-
A
Absence of pain at rest for 72 hours
-
B
Full passive range of motion equal to the uninjured side
-
C
Hamstring-to-quadriceps strength ratio ≥60% and symmetry index ≥90%
-
D
Completion of a 2-week graduated running program regardless of strength measures