Posterolateral Rotatory Instability (PLRI)

Load to Failure

AMCL LUCL PL

N 260 230 360

Posterolateral Rotatory Instability (PLRI)

• Splint – 2 weeks• Hinged splint– 30 stop 4-6 wks– Full ext 8 wks

• ADL - 3 mos• Full activity 3-6 mos

Aftercare

Posterolateral Rotatory Instability (PLRI)Results (Nestor/O’Driscoll)

• 90% successful in restoring stability to joint

• 60% excellent results (no pain/stable joint/full ROM)– other 40% of patients had

some residual pain/loss of motion

– noted to have prior degenerative x-ray changes

Summary

• Presentation - variable

•Diagnosis - difficult•Treatment - reliable

Posterolateral Rotatory Instability (PLRI)Results (Nestor/O’Driscoll)