Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Human Structure - Block 2 - Week #5 - Flashcards - JTC > Posterior Leg & Sole of Foot | B2, WK5 > Flashcards

Posterior Leg & Sole of Foot | B2, WK5 Flashcards

(56 cards)

Start Studying
1
Q

What is the nerve supply to the posterior compartment of the leg?

A

Tibial Nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the function of the superficial posterior compartment of the leg?

A

Plantarflexion of the foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the function of the deep posterior compartment of the leg?

A

Plantarflexion & inversion
Flexion of toes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the superficial muscles of the posterior leg [4]

A
  1. Gastrocnemius
  2. Soleus
  3. Triceps surae
  4. Plantaris
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the deep muscles of the posterior leg? [4]

A
  1. Popliteus
  2. Tibialis Posterior
  3. Flexor digitorum longus (FDL)
  4. Flexor hallucis longus (FHL)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where does the gastrocnemius arise (org.)

A

Medial & Lateral heads arise superior to femoral condyles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where does the soleus arise (org.)

A

Arises from head & posterior surface of fibula, soleal line of tibia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe the triceps surae

A

2 heads of gastrocs + soleus that inserts on calcaneal tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the origin & insertion of the plantaris?

A

O: Lateral supracondylar line of femur
I: Inserts on calcaneus via calcaneal tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where does the long tendon of the plantaris travel?

A

Between gastrocnemius & soleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the origin & insertion of the popliteus?

A

O: lateral condyle of femur
I: posterior tibia above soleal line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the action of the popliteus?

A

Unlocks the knee (rotating femur slightly laterally on tibial plateau)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the origin, insertion, and action of the tibialis posterior?

A

O: posterior surfaces of tibia, fibula, & interosseous membrane
I: bones in plantar foot (several)
A: plantarflexes & inverts the foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the origin, insertion, and action of the FDL?

A

O: Posterior tibia
I: distal phalanges of lateral 4 digits
A: Flexers lateral 4 digits; assists in plantarflexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the origin, insertion, and action of the FHL?

A

O: Arises from the posterior fibula and interosseous membrane
I: Distal phalanx of 1st digit
A: Flexes 1st digit; assists in plantarflexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Neurovasculature of the posterior leg

A

-Innervation: Tibial nerve
-Posterior tibial A&V, Fibular A&V

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the tibial N. a division of?

A

Sciatic N.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Where does the tibial N. pass through?

A

through popliteal fossa w/ popliteal vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where does the tibial N. enter the posterior leg?

A

Between 2 heads of gastrocnemius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

At the ankle, what does the tibial N. divide into?

A

Medial & lateral plantar nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the two nerves that provide sensory innervation to the posterior leg?

A
  1. Sural Nerve
  2. Saphenous Nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What sensory innervation nerve supplies the posterolateral aspect of leg & lateral ankle/foot?

A

Sural N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What sensory innervation nerve supplies the medial aspect of leg, ankle, & foot?

24
Q

The saphenous n. provides _______________ innervation of the posterior leg. It is a terminal branch of the _______________ n.

Study These Flashcards
A

-Sensory
-Femoral N.

25
List the blood supply of the posterior leg.
1. Anterior Tibial A. 2. Posterior Tibial A. 3. Fibular A.
26
The __________ artery passes through an opening in the interosseous membrane.
Anterior Tibial A.
27
Describe DVT
DVT: Deep Vein Thrombosis -Formation of a blood clot within a deep vein
28
Signs/Symptoms of DVT
-Pain, swelling, redness, engorged superficial veins
29
What can embolization in DVT lead to?
Pulmonary embolism
30
Term for the transition area between the posterior leg and the sole of the foot?
Tarsal tunnel
31
What are the contents of the tarsal tunnel?
-Tendons of ***T***ibialis posterior, F***D***L, & F***H***L -Posterior tibial ***a***rtery & vein -Tibial ***N***erve Remembr: **T**om, **D**ick, **AN**d **H**arry
32
What is the fascia of the plantar foot?
Plantar Fascia = Plantar aponeurosis + medial & Lateral plantar fascia
33
What is plantar fasciitis?
Overuse of fascia Other important info: Caused by unsupportive footwear point tenderness on the calcaneus Pain on passive extension of hallux
34
What innervates most muscles in the foot?
Lateral Plantar N.
35
what four muscles receive innervation from the medial plantar N?
1. Flexor Digitorum Brevis 2. ABDuctor hallucis 3. 1st lumbrical 4. Flexor Hallucis brevis
36
what muscles are found in the 1st layer of the foot?
1. ABductor digiti minimi 2. Flexor digitorum brevis 3. ABDuctor hallucis
37
What muscles are found in the 2nd layer of the foot?
Quadratus Plantae Lumbricals (4)
38
What tendons are found in the 2nd layer of the foot?
Flexor digitorum longus Flexor hallucis longus
39
What muscles are found in the 3rd layer of the foot?
Flexor digiti minimi brevis Adductor hallucis (obl. head and transverse head) Flexor Hallucis Brevis
40
What muscles are found in the 4th layer of the foot?
Plantar interossei (3) Dorsal interossei (4)
41
What tendons are found in the 4th layer of the foot?
Tibialis posterior Fibularis longus
42
Medial plantar N. sensory innervation of plantar foot
Medial foot and 3 1/2 digits
43
Lateral plantar N. sensory innervation of plantar foot
Lateral foot and 1 1/2 digits
44
Medial calcaneal br. of tibial nerve sensory innervation of plantar foot
Heel
45
Saphenous N. sensory innervation of plantar foot
Medial foot/ankle
46
Sural N. sensory innervation of plantar foot
Lateral foot/ankle
47
T/F: Tibial Nerve Injuries are fairly common. They occur when superficial lacerations occur on the leg.
FALSE; occur when deep lacerations occur
48
A patient has suffered a deep laceration to the leg. The tibial nerve was damaged. What would happen to the lower limb?
-paralysis of all muscles in the posterior leg and sole of the foot -inability to plantar flex foot -inability to flex toes -sensory loss on plantar foot -sensory loss on posterolateral leg & lateral foot (sural n)
49
Osteology of the leg: Label the following (A-K, Note - no H on diagram :))
A: Head of Fibula B: Medial Condyle C: Tibial tuberosity D: Intercondylar eminence E: Soleal Line F: Ant. Border of Tibia G: NOT ON DIAGRAM H: Interosseous Membrane I: Lateral Malleolus J: Medial Malleolus K: Fibular Notch of tibia
50
Osteology of the foot: Label the following (A-F)
A: Metatrsals (1-5) B: Navicular C: Trochlea of Talus D: Cuneiforms (D.1 - medial, D.2 - intermediate, D.3 - Lateral) E: Cuboid F: Calcaneus
51
Osteology of the foot #2: Label the following
A: Navicular B: Talus C: Head D: Trochlea E: Calcaneal Tuberosity F: Sustentaculumtali G: Medial Cuneiform H: Cuboid I: Body of talus J: Calcaneus K: Tuberosity of 5th Metatarsal
52
Label the DEEP posterior leg muscles
A: Tibialis Post. B: FDL C: FHL
53
Label the SUPERFICIAL posterior leg muscles
A - Gastrocnemius, A.1: Lateral Head, A.2: Medial Head B- Plantaris C- Soleus D- Calcaneal Tendon
54
Label the foot muscles. Which layer is this?
1st Layer A- Flexor Digitorum Brevis B- Abductor Digiti Minimi C- Abductor Hallucis
55
Label the foot muscles. Which layer is this?
2nd layer A: FHL Tendon B: Lumbricals C: FDL Tendon D: Quadratus Plantae
56
Label the foot muscles. Which layer is this?
3rd Layer A: FHB B: Flexor Digiti Minimi Brevis C: Adductor Hallycus (C.1 – transverse Head, C.2 – Oblique Head)

Human Structure - Block 2 - Week #5 - Flashcards - JTC (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions