Sports

Question 1

ER with isolated PLC injury vs ER with PCL/PLC injury

Answer 1

• Increased ER at 30 degrees but not 90 degrees in ISOLATED PLC
• Increased ER in BOTH 30 degrees and 90 degrees in BOTH PLC/PCL

Question 2

What is the reduction in extension force after a patellectomy?

Answer 2

30% decrease

Question 3

What is the normal Q angle and what increases it?

Answer 3

• Angle between ASIS patella & patella TT
• Male 13 degrees
• Female 18 degrees

Increased with

• Increase femoral anterversion
• Genu Valgum
• Tibia vara (prox tib)
• External tibial torsion
• Varus ST joint (causes ER of tibia)
• Pronated mid/forefoot