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Locomotor > Leg Bones & Muscles > Flashcards

Flashcards in Leg Bones & Muscles Deck (11):
1

how many surfaces does the tibia has?

3 [posterior, lateral; medial]

2

relevant structure of the posterior surface?

the sole line (site of insertion of solius and popliteus)

3

in how many compartments is the leg divided into?

Anterior (dorsiflexion)
Posterior (plantarflexion) (/2)
Lateral (exertion of the foot)

4

the anterior compartment is located between? does it have horizontal divisions?

Tibia & Interosseous Membrane & Anterior Intermuscular Septum
Allows for communication proximally and distally

5

What are the muscles of the anterior compartment of the leg and how many are they?

3
Tibialis Anterior
Extensor Hallucis Longus
Extensor Digitorium Longus

6

what is the function of the tibialis anterior muscle?

Dorsiflexion and inversion

7

What are the contents of the extensor retinaculum?

[Timothy Has a Nasty Dirty Toe] M->L
Tibialis anterior
extensor Hallucis longus
anterior tibial Artery and deep fibular Nerve
extensor Digitorium Longus
Fibularis Tertius

8

what are the muscles of the lateral compartment of the leg?
and how is their entering into the foot called?

Fibularis longus
Fibularis Brevis (most anterior)
2 Lateral Retinaculum

9

what is one of the functions of Fibularis Longus

Goes across of the plantar surface of the foot and helps maintain the arch

10

What are the muscles of the posterior compartment?

*Plantaris
*Gastrocnemius
Popliteus
*Soleus
Flexor Digitorum Longus
Tibialis Posterior
Flexor Hallucis Longus (ojo wrong side)

11

what are the structures contained in the flexor retinaculum?
A--> P

[Tom Dick and Very Naughty Harris]
Tibialis posterior
flexor Digitorum longus
posterior tibial Artery and vein, tibial Nerve
flexor Hallucis longus