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Anatomy > the leg > Flashcards

the leg Flashcards

1
Q

the leg is

A

from the knee down to the ankle

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2
Q

Gerdy’s tubercle

A

a roughed up edge on the lateral tibial condyle. The IT band attaches here.

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3
Q

what attaches to tibial tuberosity

A

the patellar tendon / ligament

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4
Q

patella helps us

A

extend knee

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5
Q

Osgood Schlatter

A

usually happens in active kids up to 16. It can be called jumpers knee. It leads to a big prominence on their tibial tuberosity.
inflammation of the patellar ligament/tendon- or the tendon can actually pull away causing a fraction of the tibial tuberosity

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6
Q

Tibia pes anserinus

A

“gooses foot”
area on the medial side of the tibia that is formed by the sartorius, gracilis, and semitendinosus
“Say Grace before Super Time

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7
Q

medial malleolus

A

distal end of tibia - the large lump on the inside of ankle

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8
Q

the fibula

A

mainly non weight bearing

parts include: head, neck, shaft, and lateral malleolus

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9
Q

lateral malleolus

A

distal end of fibula. It goes a little longer that prevents ankle from turning out

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10
Q

the talcrural joint is also known as the

A

ankle joint

it is also called mortise and tenon because it creates an arch

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11
Q

the talcrural joint is the attachment between

A

the medial malleolus’ of the tibia and the lateral malleolus of the fibula with the talus of the foot

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12
Q

the talcrural joint allows what motion

A

plantars flexion and dorsi flexion

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13
Q

the tibiofibular joint has how many different parts?

A

there’s a superior TF joint
middle TF joint
and a inferior TF joint

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14
Q

what runs between tibia and fibula

A

interosseous membrane, but there is no pronation and supination

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15
Q

the proximal tibiofibular joint (TF)

A

has a thick joint capsule for stability not mobility

it also has anterior and posterior ligaments

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16
Q

the distal tibiofibular joint (TF)

A

has a lot of stabilizers!
has a capsule
has anterior and posterior inferior ligaments
ALSO has interosseous tibulofibular ligament
and transverse fibular ligament

17
Q

the muscles in the leg reside in

A

compartments- musculofascial compartments

18
Q

crural fascia

A

investing fascia in the leg aka deep fascia
its attached to tendons around the patella, tibial condyles, and the head of the femur… It’s also attached at the retinaculum of the ankle to prevent displacement of tendons

19
Q

anterior compartment of leg

A

when you lift toes toward body it’s the area on shin that pops up

20
Q

the lateral compartment of leg

A

point toe and bring pinky toe towards body. should feel on lateral side

21
Q

posterior compartment of leg

A

has two parts- superficial and deep

flex calf = superficial, deep to that is your deep compartment

22
Q

fascial compartments are separated by

A

more fascia

23
Q

the posterior compartment of the leg is separated by

A

the transverse intermuscular septum

24
Q

“crus”=

A

leg

25
Q

inversion vs eversion

A

happens at subtaler joint
inversion turning toss up and in
eversion turning toe up out (pinky toe side up)

26
Q

anterior compartment muscles

A

1.TIBIALIS ANTERIOR- when you lift toes towards nose you see. goes into big toe
2.EXTENSOR DIGITORUM LONGUS- goes into toes 2-5
both originate at the fibula. both help with extension/ dorsiflexion of ankle and toes
3.EXTENSOR HALLUCIS LONGUS- it comes off the interosseous membrane. it inserts on the big toe. It dorsiflexes the big toe
4.PERONEUS TERTIUS- goes to 5th metatarsal. its a weak dorsiflexor

27
Q

lateral compartment muscles

A

1.PERONEUS LONGUS - off the lateral tibia and fibula, it dives under the lateral part of foot to grab onto the 1st metatarsal on the bottom of the foot. When it contracts it pulls the big toe into eversion
2.PERONEUS BREVIS - origin = fibula, attaches on the base of the 5th metatarsal
FUNCTIONALLY THESE ARE EVERTERS

28
Q

posterior compartment, superficial layer muscles

A
  1. gastrocnemius (your calf) (has a medial and lateral head). The two heads come together and insert into your achilles tendon (tendocalcaneus). At the knee they can help with flexion, the primary function is ANKLE DORSI FLEXORS - push on gas peddle
29
Q

the anterior compartment is innervated by

A

the deep peroneal nerve

30
Q

the posterior compartment is innervated by

A

the tibial nerve

31
Q

the lateral compartment is innervated by the

A

superficial peroneal nerve

Anatomy (23 decks)

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