Popliteal Fossa & Leg Blue Boxes

Question 1

Where do popliteal abscesses tend to spread

Answer 1

Superiorly and inferiorly

Question 2

How is a palpation of the popliteal pulse usually performed

Answer 2

Prone with the knee flexed

Question 3

Weakening of the popliteal pulse means what

Answer 3

Femoral artery obstruction

Question 4

How to distinguish a popliteal aneurysm

Answer 4

Palpable pulsations (thrills)

Arterial sounds (bruits)

Question 5

Define vasa vasorum

Answer 5

Compression of the vein for blood supply

Question 6

What can damage the tibial N.

Answer 6

Posterior dislocation of the knee

Question 7

Severance of the tibial N. Causes what

Answer 7

Paralysis of the flexor muscles in the leg

Unable to plantarflex or feeling in sole of feet

Question 8

How do shin splints occur

Answer 8

Repetitive micro trauma of the tibilais anterior which causes periosteum tearing

Question 9

Which N. Is the most common injured in the lower leg

Answer 9

The common fibular N.

Question 10

What does severance of the common Fib. N. Induce

Answer 10

Flaccid paralysis of all muscles in the anterior and lateral compartment

Loss of dorsiflexion and footdrop

Question 11

Three gaits to counter foot drop

Answer 11

Waddling gait
Swing-out gait
Steppage gait

Question 12

Compression of the deep fibular N. Is caused by what

Answer 12

Tight-fitting shoes

Question 13

What are the S/S of compression of the deep fibular N.

Answer 13

Pain in the dorsum of the foot

Question 14

Define tennis leg

Answer 14

Strain of the gastroc m.

Results from partial tearing of the medial belly of the gastroc near the musculotendious junction