CPA #2 - Knee SD Dx

Question 1

Demonstrate Anteroposterior Glide of Tibia on Femur Assessment

Answer 1

Patient - supine, knee flexed, foot flat on table, doctor at side.

Physician - sits on patient’s foot anchoring to table. Grab both hands around proximal tibia with thumbs in front of medial & lateral condyles, fingers in popliteal space.

> Translate anterior & posterior noting ease of glide.

**Note: identical to anterior drawer test but reduced force used. Assesses restricted motion (anterior drawer test assesses excessive motion).

Question 2

Demonstrate Abduction/Adduction of Tibia on Femur Assessment

Answer 2

Patient - supine, knee fully extended

Physician - on side of table. One hand grasps distal femur, other hand grasps the ankle. Create a valgus-varus stress.

Adduction Dysfunction –> ease of motion with valgus force, restriction to varus. (Valgus>Varus)
Ease of medial translatory motion.

Abduction Dysfunction –> ease of motion with varus force, restriction to valgus. (Varus>Valgus)
Ease of lateral translatory motion.