Exam 3: Knee And Ankle

Question 1

Knee joint demonstrates ___ movement during gait

Answer 1

Triaxial

Question 2

Primary motion at knee

Answer 2

Flexion/extension

Question 3

Most limited movement at knee

Answer 3

Varus-valgus

Due to soft tissue and bony constraints

Question 4

MC injured structure in knee

Answer 4

ACL

Internal rotation of femur on fixed tibia

Question 5

Osgood-Schlatter disease MC in

Answer 5

Kids, boys

Question 6

Osgood-Schlatter disease

Answer 6

Tibial apophysitis

Inflamm at secondary oss center/ insertion of patellar tendon

Question 7

Osgood-Schlatter disease presents as

Answer 7

Tenderness and swelling over tibial tuberosity

Question 8

When distal part is AWAY from midline

Answer 8

Valgus

Question 9

When distal part is TOWARD midline

Answer 9

Varus

Question 10

Varus-valgus stress

Answer 10

Applying force that causes angulation of limb at a joint

Question 11

Valgus stress

Answer 11

Force causes distal part to move away from midline

Question 12

Varus stress

Answer 12

Force causes distal part to move toward midline

Question 13

Varus stress test stresses ____ structures

Answer 13

Lateral

Question 14

Valgus stress test stresses ___ structures

Answer 14

Medial

Question 15

Ankle joint involves articulations w/ these bones

Answer 15

Tibia
Fibula
Talus

Question 16

Talocrural joint permits this motion only

Answer 16

Plantar flexion
Dorsiflexion

**other motions are limited

Question 17

Talocrural joint AKA

Answer 17

Mortise joint

Question 18

Talocrural joint motions

Answer 18

Dorsi/plantar flexion (thetaX)

Eversion/inversion (thetaY)

Add/abduction (thetaZ)

Question 19

Motion most limited at talocrural joint ____ due to ____

Answer 19

Varus/valgus (add/abduction) ; soft tissue and bony constraints

Question 20

Injuries and sources of pain at ankle

Answer 20

Ligaments
Osseous
Muscles

Question 21

80% of ankle fractures start w/

Answer 21

Supination (combo of inversion and rotation)

Question 22

Supination of ankle has no ____ on lateral aspect

Answer 22

Stop gate (only ligs)

Question 23

Congenital anomaly that is MC seen in people w/ flat feet

Answer 23

Calcaneonavicular coalition (fusion)

Question 24

Clinical presentation in calcaneonavicular coalition

Answer 24

Flat feet/arches

Dec midfoot ROM

Question 25

Achilles tendinopathy MC site

Answer 25

Distal toward insertion site

Question 26

Achilles tendinopathy is seen w/

Answer 26

Chronic overuse/poor biomechanics

Question 27

Achilles tear site

Answer 27

2-6 cm proximal to insertion

“Critical zone” (dec vascularity)

Question 28

Achilles tear MC in these patients

Answer 28

Males, 30-50

Dec plantar flexion