My questions for anatomy lab

Question 1

What structures are most likely affected to lead to acquired pes planus? [3]

Answer 1

tibialis posterior -primary dynamic stabilizer of the foot, commonly caused by age related degeneration
plantar calcaneonavicular ligament -supports medial longitudinal arch
tarsal coalition -most commonly formed between talus, calcaneus, and navicular joints

Question 2

·A patient with anterior compartment syndrome would present with what deficits? [2]

Answer 2

weakness of dorsiflexion of foot and paresthesia of webspace between 1st and 2nd toes due to compression of deep fibular

weakened pulse at dorsalis pedis due to compression of anterior tibial artery

Question 3

What would be the most common position of the fractured leg? What muscles would be involved in that positioning? Think of the attachment of muscles and their actions.

Answer 3

Shortened due to unopposed pull of gluteus medius and minimus on greater trochanter.

externally rotated due to the unopposed pull of the short external rotators (gemelli, piriformis, obturator internis, and quadratus femoris) on the greater trochanter.