Unit 2: Lecture 19

Question 1

Cutaneous nerves of the thigh

Answer 1

• iloinguinal
• genitofemoral
• medial cutaneous
• intermediate/anterior cutaneous
• lateral femoral cutaneous
• superficial branch of obturator
• posterior cutaneous

Question 2

STUDY DERMATOMES

Answer 2

STUDY DERMATOMES

Question 3

Great saphenous vein drains…

Answer 3

dorsal venous arch

Question 4

Small saphenous vein drains into…

Answer 4

popliteal vein

Question 5

Muscles of anterior thigh

Answer 5

• sartorius
• iliacus
• psoas major
• pectineus
• quads

FEMORAL ARTERY

FEMORAL NERVE

Question 6

Muscles of medial thigh

Answer 6

• gracilis
• adductor longus
• adductor brevis
• adductor magnus
• obturator externus

OBTURATOR NERVE (ANTERIOR)

MEDIAL CIRCUMFLEX ARTERY

Question 7

Muscles of posterior thigh

Answer 7

• biceps femoris
• semitendinosus
• semimembranosus
• adductor magnus

TIBIAL PORTION OF SCIATIC NERVE

DEEP FEMORAL ARTERY

Question 8

Femoral triangle borders

Answer 8

Superiorly - inguinal ligament
Medially - adductor longus
Laterally - sartorius

Question 9

Contents passing through femoral triangle, from lateral to medial

Answer 9

• femoral Nerve and branches
• femoral Artery and vein
• deep inguinal lymph nodes
• femoral canal with femoral ring

Question 10

Adductor canal contents

Answer 10

• femoral artery and vein
• deep lymphatic vessels
• saphenous nerve
• nerve to vastus medialis

Question 11

Knee joint is a ______ joint

Answer 11

synovial condylar joint (modified hinge)

Question 12

Patella on patellar surface of femur is a ________ joint

Answer 12

gliding

Question 13

Knee joint is innervated by nerves that cross the knee joint, called…

Answer 13

• femoral
• obturator
• sciatic nerves

Question 14

Movements of knee

Answer 14

• flexion (with 25° medial rotation)

- extension (with 25° lateral rotation)

Question 15

The patella is thought to __________ the pull of the quadriceps

Answer 15

increase

Question 16

Fibrous capsule is thick, but deficient anteriorly. To make up for it….

Answer 16

it’s covered by the fused tendons of the quadriceps and its expansion

Question 17

Articularis genu…

Answer 17

pulls fibrous capsule out of the joint upon extension to prevent injury

Question 18

The synovial membrane lines the fibrous capsule. It does/does not cover the articular surfaces?

Answer 18

DOES NOT

Question 19

Of the 16 or so bursar around the knee, what are a 4 examples?

Answer 19

prepatellar, superficial infrapatellar, suprapatellar, and deep infrapatellar

Question 20

Extracapsular ligaments of knee

Answer 20

• ligamentum patellae (continuation of quad tendon)
• tibial collateral (MCL; attaches to medial meniscus)
• fibular collateral (LCL; covered by tendon of biceps femoris)
• oblique popliteal (extension of semimembranosus)
• arcuate popliteal (Y-shaped)

Question 21

How to test ACL/PCL/MCL/LCL injury?

Answer 21

“(direction of possible injury) Drawer Test”

Eg. “Anterior Drawer Test” tests ACL injury

Question 22

ACL and PCL are most relaxed in…

Answer 22

30° of flexion

Question 23

MCL and LCL are relaxed in…

Answer 23

flexion

Question 24

Medial meniscus

Answer 24

• Oval

- attaches to transverse genicular ligament, fibrous capsule, and MCL

Question 25

Lateral meniscus

Answer 25

• Round

- attaches to transverse genicular ligament and tendon of popliteus