lower extremity

Question 1

what ligament is at the head of the femur attaching to the acetabular fossa

Answer 1

capitis femoris

Question 2

What direction does the head of the femur glide with external rotation of the hip?

Answer 2

anterior

Question 3

What direction does the head of the femur glide with internal rotation of the hip?

Answer 3

posterior

Question 4

What is the largest joint in the body

Answer 4

tibiofemoral

Question 5

etiology of external rotation somatic dysfunction

Answer 5

piriformis or iliopsoas spasm

Question 6

Which collateral ligament of the knee also articulates with the meniscus on that side

Answer 6

medial

Question 7

Describe the motor of the Tibial division of sciatic

Answer 7

• hammstrings except short head of biceps femoris

- most plantar flexors and toe flexors

Question 8

Sensory of tibial division of sciatic

Answer 8

lower leg and plantar aspect of foot

Question 9

motor innervation of peroneal division of sciatic

Answer 9

• Short head of biceps femoris
• evertors and dorsiflexors of foot
• most extensors of the toes

Question 10

What is the normal angle between the neck and shaft of the femur

Answer 10

120-135

Question 11

What is coxa vara?

Answer 11

angle < 120

Question 12

What is coxa valga?

Answer 12

angle > 135

Question 13

This angle is formed by the intersection of a line from ASIS through the middle of the patella and a line from the tibial tubercle through the middle of the patella

Answer 13

Q angle

Question 14

what is a normal Q angle

Answer 14

10-12

Question 15

Decreased Q angle?

Increase?

Answer 15

• Genu varum

- Genu Valgum

Question 16

Describe the pathophysiology of patello-femoral syndrome (aka lateral patello-femoral tracking syndrome

Answer 16

• an imbalance of the musculature of the quads (strong vastus lateralis and weak vastus medialis)
• This imbalance will cause the patella to deviate laterally and eventually lead to irregular or accelerated wearing on the posterior surface of the patella
• Large Q angle

Question 17

Signs and symtptoms of patello-femoral syndrome

Answer 17

• deep knee pain, especially when climbing stairs
• atrophy of vastus medialis
• patella crepitus

Question 18

Prevalence of patello-femoral syndrome

Answer 18

• mostly in women

- a wider pelvis often results in a larger Q angle

Question 19

What compartment of lower leg most often gets compartment syndrome

Answer 19

anterior

Question 20

other names for unhappy triad injury

Answer 20

• O’donahue’s triad

- Terrible triad

Question 21

What position is the ankle most stable

Answer 21

dorsiflexion

Question 22

What makes up the medial longitudinal arch?

Answer 22

• Talus
• navicular
• cuneiforms
• 1st to 3rd metatarsals

Question 23

What makes up the lateral longitudinal arch

Answer 23

• Calcaneus
• cuboid
• 4th and 5th metatarsals

Question 24

What makes up the transverse arch

Answer 24

• navicular
• cuneiforms
• cuboid

Question 25

What ligaments are lateral stabilizers of the ankle?

Answer 25

• Anterior talofibular
• Calcaneofibular
• Posterior talofibular

Question 26

What lateral ankle ligament is first to tear

Answer 26

Anterior talofibular

Question 27

Type I ankle sprain?

• II?
• III?

Answer 27

• ATF
• ATF and calcaneofibular
• both above plus posterior talofibular ligament