Flashcards in 03 Final Exam Study Guide 3 Deck (44):
Which muscles are involved in tarsal tunnel syndrome?
Tom, Dick, and Harry
Who are Tom, Dick, and Harry?
- Tibialis posterior
- extensor Digitorum
- extensor Hallucis longus
Tarsal tunnel syndrome is compression of which nerve?
With tarsal tunnel syndrome, will the gastrocs be weakened?
major structures in the lateral compartment of the leg
- 2 muscles: peroneus longus and brevis
- posterior tibial artery
- common fibular n. splits to form superficial and deep peroneal n.
major structures in the anterior compartment of the leg
- deep fibular n.
- dorsiflexors, supinators, toe extensors
- tibialis anterior
Which compartment is most commonly involved in overuse syndrome?
What are shin splints?
Two types of shin splings
Why are "shin splints" a misnomer?
- Not really fracture or splintering of bones
- overstressing the structure
Which muscle is associated with anterior shin splints?
Which muscle is associated with posterior shin splints?
Which nerve supplies sensory innervation to the foot?
The sural n. is a branch of which nerve?
talus and calcaneus
- rays (metatarsals)
What is the subtalar joint?
between talus and calcaneus
Which tarsal is most susceptible to AVN?
Where does the spring ligament run?
sustentaculum tali to navicular
at base of 5th metatarasl
joint between calcaneus and talus
- no solid piece of hyaline cartilage
- there's a lot of facets
- easy for things to be disconnected
Why is it easy for surfaces to become disconnected between the talus and calcaneus?
surfaces are irregular and undulating
gait cycle: WB vs. NWB %
60% is WB
40% is NWB
Is 10˚ dorsiflexion enough for sprinting?
no, need more than 10˚
arches of the feet
- medial longitudinal arch
- transverse arch
main arch of the foot
medial longitudinal arch
Where is the transverse arch?
What happens to the medial arch during WB?
When is the arch at max compression during gait cycle?
right before the heel leaves the ground
What causes pain associated with plantar fasciitis?
- abnormal stress on calcaneus
- fascia can't be inflamed
exostosis (bone spur) on distal end of first metatarsal
What happens to the toe when there's a bunion?
deviation of the toe laterally away from the bunion
medial and lateral structures of the toe when there's a bunion
- medial: overstretched
- lateral: shortened
What happens to the EHL when there's a bunion?
- no longer effective as an extensor
- get a bowstringing effect
How do they fix a bunion?
- shave off the bunion
- realign the ray by performing a wedge osteotomy
- pin the bone in place
- sew all soft tissue to where it's tight again
What is the most important motion for rehab?
Why is extension of the great toe so important?
- if you can't extend the great toe, you walk with a limp
- knee will flex earlier in the gait cycle when you push off
What can happen if your knee flexes earlier in the gait cycle?
can cause PF pain
Aside from great toe extension, what is another factor that could make the knee flex earlier in the gait cycle?
Which muscles act to limit anterior translation of the knee?