Exam 4 Flashcards Preview

Anatomy > Exam 4 > Flashcards

Flashcards in Exam 4 Deck (260)
Loading flashcards...
1

What are the bones of the leg?

• Tibia
• Fibula
• Tarsal bones

2

The tarsal bones consist of..?

– Talus
– Calcaneus
– Cuboid
– Navicular
– Three cuneiforms (Medial, Intermediate, Lateral)
– Metatarsals
– Phalanges

3

How many metatarsals are there?

5

4

The great/ big toe has how many phalanges, and each subsequent toes has how many?

Great toe: 2
Subsequent toes: 3

5

The fibula head sits _____ to the tibia

Sits behind/ posterior lateral

6

What are the blue surfaces on the posterior of the tibia?

The articular surfaces on the medial and lateral side of the tibia plateaus for the articulation of the medial and lateral condyles of the femur

7

What three structures form the ankle mortice for the articulation with the talus?

- Lateral malleolus
- Tibial pilon (plafond)
- Medial malleolus

8

The ____ passes below the peroneal trochlea and the ___ passes above it

- The peroneal longus passes below the peroneal trochlea
- The peroneal brevis passes above the peroneal trochlea

9

Where can we sometimes measure the navicular drop?

The navicular tuberosity

10

How to measure the navicular drop

If patients are sitting without any weight on their foot, you measure thee distance from the navicular tuberous to the floor and have the patient stand and put their boy weight through the lower extremity and remeasure the distance from the navicular tuberosity to the floor.

11

What does it mean if there's a significant difference in the two navicular drop measurements?

It could indicate a navicular drop and a flat foot

12

The calcaneal tuberosity is the attachment of the ___

Achilles tendon

13

What is the projection of the calcaneus that forms the shelf for the tendon of flexialis longus?

Sustentaculum tali

14

What two bones form the transverse tarsal joints?

The navicular and cuboid

15

The connections between the mediate and intermediate lateral cuneiforms and the cuboid with the 1st-5th metatarsals is the...

Tarsometatarsal joint

16

The transverse tarsal joint is the joint between the ___ and the ___ and their articulation with the __ and the ____

The talus and the calcaneus and their articulations with the navicular and cuboid

17

The groove for peroneus longus passes ____

around the cuboid and inserts through the medial cuneiform and also the base of the 1st and 2nd metatarsal

18

What ligament covers the head of the talus and forms the inferior part of the joint surface for the talonavicular joint?

The plantar calcaneal navicular ligament (AKA spring ligament)

19

The leg runs from the ___ to the ____

Between the knee and ankle

20

The crural fascia has bony attachments that ____

divide the leg into 3 compartments

21

What are the three compartments of the leg?

- Anterior intermuscular septum
- Posterior intermuscular septum
- Transverse crural septum

22

The anterior intermuscular septum separates the ____

anterior and lateral compartments

23

The posterior intermuscular septum separates the ___

The lateral and posterior compartments

24

The transverse crural septum separates the _____

posterior septum into a superficial and deep layer

25

The anterior compartment is supplied by the ____ and innervated by the ____

Supplied by the anterior tibial artery and innervated by the deep peroneal nerve

26

What are the muscles of the anterior leg?

- Tibialis anterior
- Extensor digitorum longus
- Extensor hallicus longus
- Peroneus/ fibular tertius

27

What does dorsiflexion of the tibialis anterior do to the foot and why?

It will bring the foot up, because it attaches to the medial surface of the foot. It also inverts the foot. So it turns the sole of the foot upwards or medially

28

The extensor digitorum longus is on the __ side of the tibialis anterior

lateral side

29

The extensor hallucis longus is housed ___

between the the tibialis anterior and the extensor digitorum longus

30

What is the hallux?

The big toe