Purpose: In order to identify individuals presenting with an acute lateral ankle sprain who respond favorably to manual therapy and exercise interventions.

Stage of CPR Development: Derivation.

Tests:

1. Symptoms worse when standing
2. Symptoms worse in evening
3. Navicular drop > 5.0 mm
4. Distal tibiofibular joint hypomobility

Interpretation:

Variables Sensitivity Specificity +LR Probability of Success
4 0.06 0.86 0.43 56%
3 0.28 0.95 5.90 95%
2 0.50 0.57 1.20 78%
1 0.08 0.76 0.33 50%

Research:

1. Whitman JM, Cleland JA, Mintken P, et al. Predicting Short-Term Response to Thrust and Nonthrust Manipulation and Exercise in Patients Post Inversion Ankle Sprain. Journal of Orthopaedic & Sports Physical Therapy. 2009; 39(3): 188-200. doi:10.2519/jospt.2009.2940.