RSL - Musculo - Anatomy + Nerve damage

Question 1

Obturator (L2-L4) (how + deficit)

Answer 1

• Anterior hip dislocation, pelvic surgery
• Thigh adduction
• Medial thigh sensation

Question 2

Femoral (L2-L4) (how + deficit)

Answer 2

• Pelvic fracture or mass involving iliopsoas/iliacus muscle (hematoma, abscess)
• Flexion of thigh / Extension of leg
• Sensory of anterior thigh / medial leg

Question 3

Common peroneal (L4-S2) (how + deficit)

Answer 3

• Fibula neck fracture or nerve compression at fibular neck
• Foot eversion, dorsiflexion, toe extension “steppage gait”
• Sensory of lateral leg, dorsal/lateral foot

Question 4

Tibial (L4-S3) (how + deficit)

Answer 4

• Trauma to knee, baker cyst, tarsal tunnel syndrome
• Foot inversion, plantar flexion, toe flexion
• Sensory to base and medial of foot

Question 5

Superior gluteal (L4-S1) (how + deficit)

Answer 5

• Iatrogenic (hip surgery, buttocks injection)

- Thigh abduction - causes Trentelenburg

Question 6

Inferior gluteal (L5-S2) (how + deficit)

Answer 6

• Posterior hip dislocation

- Thigh extension - hard to stand from seated

Question 7

Obturator (nerve roots)

Answer 7

L2-L4

Question 8

Femoral

Answer 8

L2-L4

Question 9

Common peroneal

Answer 9

L4-S2

Question 10

Tibial

Answer 10

L4-S3

Question 11

Superior gluteal

Answer 11

L4-S1

Question 12

Inferior glueteal

Answer 12

L5-S2

Question 13

L3-L4 herniation

Answer 13

Knee extension weakness (patellar reflex)

Question 14

L4-L5 herniation

Answer 14

dorsiflexion Weakness

Question 15

L5-S1 herniatino

Answer 15

Plantar flexion weaknenss (achilles reflex)

Question 16

Axilla/lateral thorax (A+N)

Answer 16

Long thoracic Nerve

Lateral thoracic artery

Question 17

Surgical neck of humerus (A+N)

Answer 17

Axillary N

Posterior circumflex A

Question 18

Midshaft of humerus (A+N)

Answer 18

Radial N

Deep brachial A

Question 19

Distal humerus / cubial fossa (A+N)

Answer 19

Median N

Brachial A

Question 20

Popliteal fossa (A+N)

Answer 20

Tibial N

popliteal A

Question 21

Posterior to medial malleolus (A+N)

Answer 21

Tibial N

Posterior tibial A

Question 22

housemaid knee

Answer 22

prepatellar brusitis

Question 23

baker cyst

Answer 23

popliteal fluid collection via chronic joint disease

Question 24

MC rotator cuff injury and test

Answer 24

supraspinatus

empty/full can test

Question 25

who is the most annoying human in the world

Answer 25

Ryan Robert Bird

Question 26

pitching injury

Answer 26

infraspinatus

Question 27

Wrist bone injuries causing carpal tunnel

Answer 27

Scaphoid fracture | Luna dislocation

Question 28

wrist bone injuries causing ulnar nerve injury

Answer 28

hook of hamate (FOOSH)

Question 29

loss of sensation over lateral forearm

Answer 29

musculocutaneous injury

Question 30

PADS and DABs innervated by:

Answer 30

ulnar

Question 31

pudendal nerve roots

Answer 31

S2-S4