Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Musculoskeletal Anatomy II > Lecture 3 > Flashcards

Lecture 3 Flashcards

1
Q

What are the motions of the foot

A

Dorsiflexion/plantar flexion and pronation/supination (eversion/inversion)

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

What ligaments hold together the inferior tibiofibular joint

A

anterior tibiofibular ligament, posterior tibiofibular ligament, and the interosseus membrane

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

What kind of joint is the inferior tibiofibular joint

A

Syndesmosis

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

What is the ankle joint

A

Hinge type synovial joint between tibia, fibula, and talus

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

What motion does the ankle joint allow

A

Dorsiflexion and plantar flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where is the deltoid ligament located

A

On the medial ankle spanning from the medial malleolus to navicular, calcaneus, and talus bones.

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

What is the role of the deltoid ligament

A

Resists eversion of the foot

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

Where are the anterior and posterior talofibular and calcaneofibular ligaments

A

They span the bones their names suggest and are all found on the lateral side of the ankle. THey work together to resists inversion of the foot

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

What is the most common kind of ankle sprain

A

Inversion sprain is most common because the lateral is more inferior that the medial malleolus and the deltoid ligament is stronger than the lateral ligaments.

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

What is the Talo-calcaneo-navicular joint

A

Head of the talus inserts between navicular and calcaneus

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

What is the spring ligament

A

Ligament between the calcaneus and navicular that prevents the talus from wedging the bones apart

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

What is the sub talar (talo-calcaneal) joint

A

The facet joint where the talus rests on the calcaneus

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

What motion happens at the Talo-calcaneo-navicular joint

A

inversion and eversion

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

Where is the long plantar ligament

A

Spans from the calcaneus to metatarsals 2-5 and forms a tunnel for the fibularis longs tendon

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

Where is the short plantar ligament located

A

From the calcaneus to the cuboid

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

Where is the deep transverse ligament

A

It spans the MTP joints to link all 5

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

What are the muscles of the anterior group of the leg and what innervates them

A

Tibialis anterior, extensor hallucis longus, exntensor digitorum longus, and fibularis tertius are all innervated by the deep fibular nerve (peroneal)

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

What is the origin and insertion of the tibialis anterior

A

O: upper 2/3 of tibia, interosseus membrane
I: 1st MT, medial cuneiform

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

What is the action of the tibilalis anterior

A

Dorsiflex and invert foot

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

What is the origin and insertion of extensor hallucis longus

A

O: fibula, interosseus membrane
I: distal phalanx hallux

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

What is the action of the extensor hallucis longus

A

extend hallux and dorsiflex foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the origin and insertion of the extensor digitorum longus

A

O: upper 3/4 fibula, interosseus membrane
I: Middle and distal phalanges

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

What is the action of the extensor digitorum longus

A

Extend digits 2-5 and dorsiflex foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the origin and insertion of the fibularis tertius

A

O: lower 1/3 fibula
I: 5th metatarsal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the action of the fibularis tertius

A

Dorsiflexion and eversion of foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the innervation and action of the lateral group of the leg

A

N: Superficial fibular
A: evert and plantar flex foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What is the origin and insertion of the fibularis longus

A

O: Upper 2/3 of fibula
I: 1st MT; medial cuneiform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is the origin and insertion of the fibularis brevis

A

O: lower 1/3 of fibula
I: 5th MT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is the innervation of the posterior group of the leg

A

Gastrocnemius, soleus, plantaris, flexors digitorum longus and hallucis longus, and tibilas posterior are all innervated by the TIbial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is the origin and insertion of the gastrocnemius

A

O: femoral condyles
I: Calcaneus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the origin and insertion of the soleus

A

O: upper fibula and tibia
I: Calcaneus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What is the action of the gastrocnemius

A

Plantar flex foot (fast) flex knee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What is the action of the soleus

A

Plantar flex foot (slow) maintain standing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What is the origin and insertion of the plantaris

A

O: Lateral supracondylar ridge
I: calcaneus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What is the action of the plantaris

A

Plantar flex foot

36
Q

How does the body maintain upright posture

A

The body wants to fall forward so the soleus and erector spinae work together to pull the body posteriorly

37
Q

What is the origin and insertion of the flexor digitorum longus

A

O: Tibia
I: distal phalanges

38
Q

What is the action of the flexor digitorum longus

A

Flex toes and plantar flex foot

39
Q

What is the origin and insertion of the flexor hallucis longus

A

O: Fibula
I: distal phalanx hallux

40
Q

What is the action of the flexor hallucis longus

A

Flex hallux and plantar flex foot

41
Q

What is the origin and insertion of the Tibialis posterior

A

O: Tibia, fibula, IO membrane
I: navicular, calcaneus, cubiod, all cuneiforms, meta tarsals 2-4

42
Q

What is the action of the tibialis posterior

A

Invert, plantar flex foot

43
Q

Which 7 muscles plantar flex the foot

A

Gastrocnemius, soleus, flexors digitorum longus and hallucis longus, tibialis posterior, and fibularis longus and brevis

44
Q

Which 4 muscles dorsiflex the foot

A

Exensors digitorum longus and hallucis longus, tibialis anterior, and fibularis tertius

45
Q

Which 2 muscles invert the foot

A

Tibialis posterior and tibialis anterior

46
Q

Which 3 muscles evert the foot

A

Fibularis longus and brevis, and fibularis tertius

47
Q

Where is the common fibular nerve

A

It branches from the sciatic nerve and passes around the head of the fibula through the fibularis longus

48
Q

Where is the superficial fibular nerve

A

Branches from the common fibular and goes in the lateral compartment of leg

49
Q

Where is the deep fibular nerve

A

Branches from the common fibular nerve and travels into the anterior compartment

50
Q

What happens if the common fibular nerve is injured

A

Foot drop: loss of dorsiflexion and eversion

51
Q

Who commonly has foot drop

A

Alcoholics, tertiary syphilis, and diabetics

52
Q

Where is the tibial nerve

A

Passes between the deep and superficial posterior muscles

53
Q

What are the two most tested reflexes of the lower limb

A

Patellar reflex to test L4 nerve root, and Achilles reflex to test S1 nerve root

54
Q

Where is the extensor retinaculum

A

over the extensor tendons complete with synovial sheathes

55
Q

Where is the flexor retinaculum

A

Between the tibia and calcaneus, over the flexor tendons T, D, and H

56
Q

What is the plantar aponeurosis (fascia)

A

Continuation of achilles tendon from antero-medial calcaneus to head of metacarpals

57
Q

What is plantar fasciitis

A

Inflammation usually localized at calcaneal attachment. Calcaneal spurs can develop

58
Q

What is the origin and insertion of the extensors hallucis brevis and digitorum brevis

A

O: Dorsal surface of calcaneus
I: proximal phalanges

59
Q

What is the innervation and action of extensors hallucis brevis and digitorum brevis

A

N: Deep fibular N
A: extend big toe and digits, respectively

60
Q

<p>

| What is the origin of Abductor Hallucis, flexor digitorm brevis, and abductor digiti minimi</p>

A

<p>

| Calcaneus</p>

61
Q

What is the insertion of the abductor hallucis, flexor digitorum brevis, and abductor digiti minimi

A

Abductor Hallucis: Proximal phalanx of digit 1
Abductor digiti minimi: Promixal phlanx of digit 5
Flexor D.B: middle phalanx of digits 2-5

62
Q

What is the innervation of the abductor hallucis, flexor digitorum brevis, and abductor digiti minimi

A

Abductor hallucis and flexor DB: Med Plantar N

Aductor digiti minimi: Lateral Plantar N

63
Q

What is the action of the abductor hallucis, flexor digitorum brevis, and abductor digiti minimi

A

abductor hallucis: Flex, abduct digit 1
flexor digitorum brevis: flex digits 2-5
abductor digiti minimi: flex, abduct digit 5

64
Q

What is the origin and insertion of the quadratus plantae

A

O: Calcaneus
I: tendons of Flexor digitorum longus

65
Q

What is the innervation and action of the quadratus plantae

A

N: Lateral plantar N
A: flex digits 2-5

66
Q

What is the origin and insertion of lumbricals

A

O: Tendons of flexor digitorum longus
I: Extensor expansions

67
Q

What is the innervation and action of lumbricals

A

N: L1 medial plantar nerve, L2,3,4 Lateral plantar N
A: extend IP, flex MTP joints (tata!)

68
Q

What is the origin and insertion of flexor hallucis brevis

A

O: cuboid, lateral cuneiform
I: proximal phalanx of digit 1

69
Q

What is the innervation and action of the flexor hallucis brevis

A

N: Medial plantar nerve
A: flex 1st MTP joint

70
Q

What is the origin and insertion of the adductor hallucis

A

O: MT for the transverse and oblique heads
I: Proximal phalanx of digit 1

71
Q

What is the origin and insertion of the flexor digit minimi

A

O: MT 5
I: proximal phalanx of the 5th digit

72
Q

What is the innervation of the adductor hallucis and flexor digit minimi

A

Lateral plantar nerve

73
Q

What is the role of the sesamoid bones in the flexor hallucis brevis

A

They protect the tendon of the flexor hallucis longus

74
Q

What is the origin and insertion of the plantar and dorsal interossei

A

O: metatarsals
I: proximal phalanx, extensor expansion

75
Q

What is the innervation and action of the plantar and dorsal interossei

A

N: Lateral plantar nerve
A: Both Flex MTP, Ext IP joints, Plantar adducts toes and dorsal abduct toes

76
Q

What is the cutaneous innervation of the foot

A

Medial plantar innervations 3.5 digits, lateral plantar innervates lateral 1.5 digits (Just like with the median and ulnar nerve in the hand)

77
Q

Where is the acupuncture point LV3 located

A

1st dorsal interossei. When combined with LI 4 in the 1st dorsal interosseus of the hand, it is good for relieving headaches

78
Q

What are the arches in the foot

A

External (lateral) longitudinal arch, Internal (medial) longitudinal arch, and the transverse (anterior) arch

79
Q

What is the most inferior diaphragm in the body

A

Plantar fascia

80
Q

What forms the medial longitudinal arch

A

Calcaneus, talus, navicular, 3 cuneiforms, and 3 MTs

81
Q

What supports the medial longitudinal arch

A

4 Muscles: flexor hallucis longus, abductor hallucis, tibialis anterior and posterior
3 CT: plantar aponeurosis, spring ligament, plantar ligament

82
Q

What forms the lateral longitudinal arch

A

Calcaneus, cuboid, lateral 2 MT

83
Q

What supports the lateral longitudinal arch

A

4 Muscles: Abductor digiti minimi, fibularis longus, brevis, and tertius
3 CT: plantar aponeurosis, long and short plantar ligaments

84
Q

What forms the transverse arch

A

Cuboid, cuneiforms, the 5 MT

85
Q

What supports the transverse arch

A

2 Muscles: Fibularis longus, adductor hallucis

1 CT: deep transverse ligaments

Musculoskeletal Anatomy II (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions