Q - Angle

Question 1

Where does the proximal intersecting line of the Q-angle span from?

Answer 1

ASIS
to
MIDPOINT OF PATELLA

Question 2

Where does the distal intersecting line of the Q-angle span from?

Answer 2

TIBIAL TUBEROSITY
to
MIDPOINT OF PATELLA

Question 3

What is the normal Q-angle?

Answer 3

10 - 15 DEGREES

Question 4

Where does the patella normally track?

Answer 4

INTERCONDYLAR GROOVE

Question 5

Name 3 factors maintaining a normal alignment of the patella, and therefore Q-angle?

Answer 5

BALANCED PULL OF VMO
+
LATERAL CONDYLE OF FEMUR PROJECTS MORE ANTERIORLY
+
MEDIAL AND LATERAL PATELLOFEMORAL LIGAMENTS

Question 6

Name 3 main factors that can increase Q-angle?

Answer 6

WIDE PELVIS
\+
ORIENTATION OF FEMUR AND TIBIA RELATIVE TO EACHOTHER
\+
GENU VALGUS