Lower Extremity

Question 1

What muscles does the femoral nerve hit?

Answer 1

ANTERIOR upper leg COMPARTMENT

IPSquad
Iliacus, Pectineus, Sartorius
Quads

Flex the hip, extend the knee.

Question 2

What muscles does the Obturator nerve hit?

Answer 2

MEDIAL upper leg COMPARTMENT

POAAAG
Pectineus, Obturator ext, the 3 adductors, and gracilis

Question 3

What muscles does the sciatic nerve hit?

Answer 3

Posterior thigh compartment

BSASB
Biceps longus
Semitendinous
Adductor Magnus
Semi M
Biceps brevis

Flex the knee, extend the hip

Question 4

What muscles does the common fibular hit?

Answer 4

Biceps femoris!

Question 5

What muscles does the superficial fibular hit?

Answer 5

Lateral compartment of lower leg

Eversion
Fibularis longus and brevis

Question 6

What muscles does the deep fibular nerve hit?

Answer 6

Anterior compartment of lower leg

TEEP(F)EE

Tibularis anterior
Extensors digitorium, hallicus longus and brevis
Fibularis tertius

Handles dorsiflexion

Question 7

What muscles does the Tibial nerve hit?

Answer 7

Poster compartment of lower leg

PGPS(TFF)
Popliteus, Gastrocs, Plantaris, Soleus, Tib posterior/flexor digi and hallicus

Handles plantarflexion

Question 8

What branches does tibial nerve give?

Answer 8

Med and lat plantar nerve, just before the medial malleolus of tibia

Question 9

What muscles does the medial plantar nerve hit?

Answer 9

Abdutcor hallicus
Flexor Digi brev and Flexor hallucus brev
Also gets the medial lumbrical

Note: lateral plantar gets the rest

Question 10

What do you expect in slipped capital femoral epiphysis?

Answer 10

Usually overweight adolescent

Groin or knee pain

Limited internal rotation of the hip

Question 11

What do you expect in transient synovitis of the hip?

Answer 11

age 3-10 kid suddenly loses the ability to walk?
Viral, post-vaccine, drug induced

Hip flexed and externally rotated
All motion at the joint causes pain (a positive log roll)
Refuses to bear weight, but looks fine

High sed rate, mild leukocytosis

Can treat with NSAIDs

Question 12

Septic joint

Answer 12

Caused by gonorrhea or skin flora

Very painful joint with both passive and active range of motion hurting

THink adolescents, sexually active age group
Joint is red and hot

Systemic findings

Surgery with iV antibiotics are needed. articular surface can be destroyed

Question 13

Osgood-Schlatter condition?

Answer 13

In adults: expect jumper’s knee without tibial fragmentation

In kids: THickening and indistinguishability of the patellar ligament with hypertrophy and fragmentation of the tibial tuberosity and adjacent tissue swelling with bumps at the knee

Common in active children

Question 14

Apophysitis

Answer 14

Pain and inflammation at the ossification centers due to repetitive tension

Early stages: pain after activity… then you get pain before initiating activity. Then you get pain throughout the activity, eventually progressing to constant pain

Treat with NSAIDs and RICe

Complications: Bony hypertrophy, fracture (rarely)

Osgood Schlatter is an example of tibial tubercular apophysitis