Physiological Healing Constraints:
– Has rehabilitation progressed to the later stages of the healing process

Pain Status:
– Has pain disappeared, or is the athlete able to play within his/her own levels of pain tolerance

Swelling:
– Is there still a chance that swelling may be exacerbated by return to activity

Range of Motion:
– Is ROM adequate to allow the athlete to perform both effectively and with minimized risk of reinjury

Strength:
– Is strength, endurance or power treat enough to protect the injured structure from reinjury

Neuromuscular control/Proprioception/Kinesthetia:
– Has the athlete “relearned” how to use the injured body part

Cardiorespiratory Fitness:
– Has the athlete been able to maintain cardiorespiratory fitness at or near the level necessary for competition

Sport-specific Demands:
– Are the demands of the sport or a specific position such that the athlete will not be at risk of reinjury

Functional Testing:
– Does performance on appropriate functional tests indicate that the extent of recovery is sufficient to allow successful performance

Prophylactic Strapping, Bracing, Padding:
– Are any additional supports necessary for the injured athlete to return to activity

Responsibility of the Athlete:
– Is the athlete capable of listening to his/her body and of knowing enough not to put themselves in a potential reinjury situation

Predisposition to Injury:
– Is this athlete prone to reinjury or a new injury when not at 100%

Psychological factors:
– Is the athlete capable of returning to activity and competing at a high level without fear of reinjury

Athlete Education and Preventive Maintenance Program:
– Does the athlete understand the importance of continuing to engage in conditioning exercises that can greatly reduce the chances of reinjury

Essentials of Athletic Training (4th Edition) by Daniel D. Arnheim and William E. Prentice. WCB McGraw-Hill