Exam 5 Flashcards

1
Q

What are the superior and inferior borders of the pelvic region ?

A

Superior: pelvic inlet
Inferior: pelvic outlet/pelvic diaphragm

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

What does the pelvic brim divide?

A

Pelvic brim divides the superior greater pelvis from the inferior false pelvis.
The greater pelvis is bowl shaped to hold up abdominal organs

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

What are the four parts of pelvis?

A

Ilium, ischium, pubis, sacrum

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

How does the os coxae meet with the public symphysis and sacrum?

A

Ox coxae meets anteriorly at public symphysis
- articulates posteriorly with sacrum

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

What do the pelvis joints attach?
Iliolumbar, anterior/posterior sacroiliac, sacrospinous, sacrotuberus, and anterior/posterior sacrococcygeal

A

Iliolumbar ligament: superior/inferior attachment between ilia and lumbar spine transverse processes

Anterior/posterior sacroiliac: laterally attach ilium and sacrum

Sacrospinous: attaches sacrum to ischial spine

Sacrotuberus: attaches sacrum to ischial tuberosities

Anterior/posterior sacrococcygeal: ligaments attach sacrum to coccyx

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

What element does semen have to survive in the vagina?

A

Semen has alkaline elements to differ urethra acidity and vagina

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

What are the three zones of the penis urethra?

A

Prostatic urethra: extends through the prostate gland
Membranous urethra: external urethra sphincter
Spongy urethra: encased within erectile tissue

Transports urine and semen

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

What is the trigone of the bladder?
The rugae?

A

Triangle shaped space between ureter orifices-location of stretch receptors that trigger urge to urinate

Rugae allow it to expand as it fills.

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

Why does someone is pregnant use the restroom more?

A

They would have less room for bladder to expand, causing more pressure on receptors.

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

Feature of vaginal urethra

A

Just for urine, very short (3cm)

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

What are the fimbriae?

A

Finger like projections that hover outside of the ovary. Do not touch ovary

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

What are the three walls of uterus? What is shed during menstruation? Which one contracts during labor?

A

Endometrium (shed) , myometrium (contracts) perimetrium

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

What does the Iliohypogastric innervate?

A

L1 and T12 fibers
Innervates: internal oblique and transversus abdominus. Sensory innervation in pubic region

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

What does ilioinguinal nerve innervates?

A

L1 Fibers
Innervates: internal oblique and transversus abdominus. Sensory innervation in pubic region

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

What does the genitofemoral nerve innervate?

A

L1 and L2 nerve
Innervates: sensory to genitalia and upper anterior thigh

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

What does the Lateral Femoral Cutaneous Nerve innervate?

A

L2 and L3
Innervates: sensory only for skin of the anterio-lateral thigh

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

What does the femoral nerve innervate?

A

L2, L3, L4
Muscle innervation to hip flexors/knee extensors. Sensory innervation to anterior thigh and medial leg

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

What does the obturator nerve innervate?

A

L2,L3,L4
Innervates the adductor muscles and the skin over the medial thigh

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

What are the two major nerves from the sacral plexus?

And what verterbrae they come from

A

Sciatic (L4, L5, S1, S2, S3) and Pudendal (S2, 3, 4)

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

What muscles does the sciatic nerve innervate and what is it made of?

A

Largest nerve in the body (2cm wide)
L4-S3
Posterior thigh muscles, all leg and foot muscles, all joints of the lower limb
Sciatic nerve is made of two nerve joined in a connective tissue sheath: common peroneal and tibial

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

What does the Pudendal nerve innervate?

A

Main nerve of the perineum and genitalia
S2-S4
Exits pelvis posteriorly through greater sciatic foramen, then re-enters anteriorly through lesser sciatic foramen.

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

What are the actions of the Tensor facia latae and IT Band

A

Major hip abductor and has some flexion contribution

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

OIAN of Tensor Facia Latae

A

O: anterior iliac crest
I: lateral condyle of tibia via IT band
A: stabilizes knee, flexes hip, abducts hip, internally rotates hip
N: superior gluteal nerve

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

OIAN of Gluteus Minimus

A

O: inferior posterior ilium
I: anterior surface of greater trochanter of femur
A: Abducts hip, internally rotates hip
N: superior gluteal nerve

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

OIAN of Gluteus Medius

A

O: middle posterior ilium
I: greater trochanter of femur
A: abducts hip, internally rotates hip
N: superior gluteal nerve

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

Where are the hip stabilizers?

A

the muscles along the lateral and posterior sides of the hip joints. (gluteus medius, gluteus maximus, piriformis)

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

OIAN of gluteus maximus

A

O: posterior sacrum and sacrotuberous ligament, superior posterior ilium
I: gluteal tuberosity of femur, lateral condyle of tibia via IT band
A: extension of hip, external rotation of the hip
N: inferior gluteal nerve

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

OIAN of Superior Gemellus

A

Lateral rotators of the femur
O:Ischial spine
I: Medial surface of greater trochanter of femur (via tendon of obturator internus)
A: Hip joint: Thigh external rotation, thigh abduction (from flexed hip); stabilizes head of femur in acetabulum
N: Nerve to obturator internus (L5-S1)

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

Six deep lateral rotators of the femur

A

piriformis, superior gemellus, obturator internus, inferior gemellus, obturator externus, quadratus femoris

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

OIAN of Piriformis

A

Origin: - Anterior sacrum
Insertion: - Greater trochanter of femur
Action: - External rotation of hip
Nerve Supply: - Anterior rami S1-2

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

OIAN of Obturator Internus

A

Origin:
- Obturator membrane
- Superior pubic ramus

Insertion: - Greater trochanter of femur
Action: - External rotation of hip
Nerve Supply: - Sacral Plexus L5, S1, S2

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

OIAN of Inferior gemellus.

A

O: lateral surface of ischial tuberosity
I: medial surface of greater trochanter of femur
A: External rotation of thigh, thigh abduction
N: quadratus femoris nerve

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

OIAN of obturator externus

A

Origin:
- Obturator membrane
- Pubic and ischial rami

Insertion: - Greater trochanter of femur
Action: - External rotation of hip
Nerve Supply: - Obturator Nerve

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

OIAN of quadratus femoris

A

Origin: - Ischial tuberosity
Insertion: - Quadrate tubercle
Action: - External rotation of hip
Nerve Supply: - Nerve to quadratus femoris L4, L5, S1

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

What is the main extensor of the hip

A

Gluteus maximus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What increases the stability of the hip joint?

A

-shape of articulating surfaces
- acetabular labrum
-joint capsule
- 3 strong ligaments (iliofemoral, pubofemoral, ischiofemoral)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What are the three strong ligaments of hip joint

A

iliofemoral( prevents excessive extension), pubofemoral (prevents excessive abduction), ischiofemoral (provides stability during extension)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What are the prime hip flexors

A

Iliopsoas (Iliacus and psoas major together)
Sartorius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Prime Hip abductors

A

tensor fascia latae and IT band

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Prime Hip adductors

A

pectineus, adductor longus/brevis/magnus, gracilis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Primary hip extensors

A

gluteus maximus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Primary hip lateral rotators

A

piriformus, inferior and superior gemellus, obturator internus, obturator externus, quadriceps femoris

43
Q

Primary hips medial rotators

A

gluteus medius, minimus

44
Q

OIAN Iliacus

A

O: iliac fossa
I: lesser trochanter of femur
A: flexes hip, flexes vertebral column
N: femoral nerve

45
Q

OIAN Psoas Major

A

O: T12-L5 vertebral bodies and discs, L1-5 transverse processes
I: lesser trochanter of femur
A: flexes hip, flexes lumbar vertebral column
N: anterior rami-spinal nerves L2-3

46
Q

OIAN Sartorius

A

O: anterior superior iliac spine
I: pes anserinus (medial tibia)
A: flexes, abducts, externally rotates hip; flexes and internally rotates knee
N: femoral nerve

47
Q

OIAN pectineus

A

Origin: - Superior ramus of pubis
Insertion: - Between lesser trochanter and linea aspera
Action:
- Adduction of hip
- Flexion of hip
Nerve Supply: - Femoral nerve

48
Q

OIAN of Adductor magnus

A

Origin:
- Anterior Head – Inferior ramus of pubis
- Posterior Head – Ramus of ischium, ischial
tuberosity

Insertion:
- Anterior head – Linea aspera of femur
- Posterior head – Adductor tubercle of femur

Action:
- Both Heads – Adduction of hip
- Anterior head – Flexion of hip
- Posterior head – Extension of hip

Nerve Supply:
- Anterior head – Obturator nerve
- Posterior head – Tibial division of sciatic nerve

49
Q

OIAN adductor brevis

A

Origin: - Body and inferior ramus of pubis
Insertion: - Linea aspera
Action:
- Adduction of hip
- Flexion of hip
Nerve Supply: - Obturator nerve

50
Q

OIAN of Adductor longus

A

Origin: - Anterior surface of body of pubis
Insertion: - Linea aspera
Action:
- Adduction of hip
- Flexion of hip
Nerve Supply: - Obturator nerve

51
Q

OIAN of Gracilis

A

Origin: - Body and inferior ramus of pubis
Insertion: - Pes anserinus
Action:
- Adduction of hip
- Flexion of hip
- Internal rotation of flexed knee
Nerve Supply: - Obturator nerve

52
Q

What are the two heads of the adductor magnus?

A

Posterior head: crosses hip joint on posterior side, is an adductor and hip extensor

Anterior head: crosses hip joint or anterior side, is an adductor and hip flexor

53
Q

Why is the knee asymmetrical ?

A

Due to the Q-angle of the hip joint

54
Q

What is the incorporation of fibrocartilage in the knee that bears the weight

A

Lateral and medial menisci

55
Q

What are the 4 main ligaments of the knee

A

Anterior Cruciate Ligament (ACL)
Posterior Cruciate Ligament (PCL)
Tibial/Medial Collateral ligament (TCL or MCL)
Fibular/Lateral Collateral ligament (FCL or LCL)

56
Q

What do Cruciate, collateral, arcuate, oblique, and coronal mean?

A

Cruciate-cross shaped
Collateral- situated side by side in parallel
Arcuate-shaped like a bow
Oblique-slanted
Coronal-like a crown

57
Q

The collateral ligaments are taught in _____, but more important in slight _____

A

taught in extension, but more important in slight flexion

58
Q

Where does the transverse ligament join in the knee?

A

Joins the anterior edges of the menisci

59
Q

How do the coronary ligaments wrap ?

A

the coronary ligaments wrap anterior-to-posterior sitting between the menisci and the tibia

60
Q

What are the two degrees of freedom of the knee?

A

Flexion/extension
Internal/external rotation
Flexion occurs posteriorly and extension occurs anteriorly

61
Q

When is knee injury most likely ?

A

during times with the knee is flexed and the foot is planted

62
Q

What are the four knee extensors

A

rectus femoris, vastus lateralis, medialis, intermedius

63
Q

What are the six knee flexors

A

Semimembranosus, biceps femoris, sartorius, popliteus, gastrocnemius, plantaris

64
Q

What are the three borders of the popliteal fossa? (directions)

A

Superolaterally by the biceps femoris
- superomedially by the semimembranosis
-inferolaterally and inferomedially by the lateral and medial heads of the gastrocnemius

65
Q

OIAN of Popliteus

A

Origin - Lateral condyle of femur
Insertion - Proximal posterior tibia
Action
- “Unlocks” extended knee by internal
rotation of tibia (normal) or external
rotation of femur (reverse)
Nerve Supply - Tibial nerve

66
Q

OIAN of Gastrocnemius

A

Origin
- Medial Head – medial epicondyle of femur
- Lateral head – lateral epicondyle of femur
Insertion - Calcaneus via calcaneal tendon

Action
- Plantarflexion of ankle
- Flexion of knee
Nerve Supply - Tibial nerve

67
Q

OIAN of Plantaris

A

Origin - Lateral supracondylar ridge of femur
Insertion - Posterior calcaneus
Action
- Plantarflexion of ankle
- Flexion of knee
Nerve Supply - Tibial nerve

68
Q

OIAN of Rectus Femoris

A

Origin:
- Anterior inferior iliac spine
- Ilium above acetabulum

Insertion:
- Patella
- Tibial tuberosity via patellar ligament

Action:
- Extension of knee
- Flexion of hip

Nerve Supply: - Femoral nerve

69
Q

OIAN of Vastus Lateralis

A

Origin:
- Linea aspera
- Greater trochanter and intertrochanteric line of femur

Insertion:
- Patella
- Tibial tuberosity via patellar ligament
Action: - Extension of knee
Nerve Supply: - Femoral nerve

70
Q

OIAN of Vastus Medialis

A

Origin:
- Linea aspera
- Intertrochanteric line of femur
Insertion:
- Patella
- Tibial tuberosity via patellar ligament
Action: - Extension of knee
Nerve Supply: - Femoral nerve

71
Q

OIAN Vastus intermedius

A

Origin: - Anterior and lateral femoral shaft
Insertion:
- Patella
- Tibial tuberosity via patellar ligament
Action: - Extension of knee
Nerve Supply: - Femoral nerve

72
Q

OIAN of Semimembranosus

A

Origin: - Ischial tuberosity
Insertion: - Posterior medial tibial condyle
Action:
- Flexion of knee
- Internal rotation of flexed knee
Extension of hip
Nerve Supply: - Tibial division of sciatic nerve

73
Q

OIAN of Biceps Femoris

A

Origin:
- Long head - Ischial tuberosity
- Short head – Linea aspera

Insertion:
- Lateral surface of head of fibula
- Lateral condyle of tibia

Action:
Both heads:
- Flexion of knee
- External rotation of flexed knee
Long head:
- Also: extension of hip

Nerve Supply:
- Long head – Tibial division of sciatic nerve
- Short head – Common peroneal division of sciatic nerve

74
Q

OIAN of Sartorius

A

Origin: - Anterior superior iliac spine
Insertion: - Pes Anserinus
Action:
- Flexion of hip
- Abduction of hip
- External rotation of hip
- Flexion of knee
- Internal rotation of knee
Nerve Supply: - Femoral nerve

75
Q

OIAN Semitendinosus

A

Origin: - Ischial tuberosity
Insertion: - Pes Anserinus
Action:
- Flexion of knee
- Internal rotation of flexed knee
- Extension of hip
Nerve Supply: - Tibial division of sciatic nerve

76
Q

What does the popliteal fossa contain?

A

sciatic nerve to the tibial and common peroneal nerves
popliteal vein/artery/lymph nodes
subcutaneous adipose fat

77
Q

OIAN Tibialis Anterior

A

Origin
- Lateral surface of tibia
- Interosseous membrane

Insertion
- Base of first metatarsal
- Medial cuneiform

Action
- Dorsiflexion of ankle
- Inversion of foot
Nerve Supply - Deep peroneal nerve

78
Q

OIAN Extensor Hallucis Longus

A

Origin
- Anterior surface of Fibula
- Interosseous membrane
Insertion - Base of distal phalanx of big toe
Action - Extension of big toe
Nerve Supply - Deep peroneal nerve

79
Q

OIAN Extensor Digitorum Longus

A

Origin
- Proximal anterior shaft of fibula
- Interosseous membrane
- Lateral condyle of tibia
Insertion - Extensor expansion of toes 2-5
Action
- Extension of toes 2-5
- Dorsiflexion of ankle
Nerve Supply - Deep peroneal nerve

80
Q

OIAN Peroneus Tertius

A

Origin - Distal anterior fibula
Insertion - Base of 5th metatarsal
Action
- Eversion of foot
- Dorsiflexion of ankle
Nerve Supply - Deep peroneal nerve

81
Q

OIAN Peroneus Brevis

A

Origin - Distal lateral shaft of fibula
Insertion - Base of 5th metatarsal
Action
- Eversion of foot
- Plantarflexion of ankle
Nerve Supply - Superficial peroneal nerve

82
Q

OIAN Peroneus Longus

A

Origin - Head and proximal lateral shaft of fibula
Insertion
- Base of 1st metatarsal
- Medial cuneiform
Action
- Eversion of foot
- Plantarflexion of ankle
Nerve Supply - Superficial peroneal nerve

83
Q

OIAN of Tibialis Posterior

A

Origin
- Posterior tibia
- Proximal posterior fibula
- Interosseous membrane

Insertion
- Navicular tuberosity
- All cuneiforms
- Cuboid
- Bases of metatarsals 2-4

Action
- Inversion of foot
- Plantarflexion of ankle

Nerve Supply - Tibial nerve

84
Q

OIAN Flexor Digitorum Longus

A

Origin - Posterior tibia
Insertion - Distal phalanges of toes 2-5
Action
- Flexion of toes 2-5 at DIP joints
- Plantarflexion of ankle
Nerve Supply - Tibial nerve

85
Q

OIAN Flexor Hallucis Longus

A

Origin
- Distal posterior fibula
- Interosseous membrane
Insertion - Distal phalanx of big toe
Action - Flexion of big toe
Nerve Supply - Tibial nerve

86
Q

OIAN of Soleus

A

Origin
- Soleal line of tibia
- Proximal fibula

Insertion - Calcaneus via calcaneal tendon
Action - Plantarflexion of ankle
Nerve Supply - Tibial nerve

87
Q

The ____ form a cradle into which the ___ of the talus fits

A

Malleoli into which the trochlea

88
Q

What are the three articular surfaces of the talocrural ?

A

The superior gliding surface of the talus and the inferior surface of the tibia
The medial malleolus of the tibia articulates with the medial surface of the talus
The lateral surface of the talus articulates with medial surface of the fibula

89
Q

What are three foot joints?

A

Talocalcaneal: talus and calcaneus
Talonavicular: talus and navicular
Calcaneocuboid: cuboid and calcaneus

90
Q

OIAN Abductor Hallucis

A

Origin - Calcaneus
Insertion - Base of proximal phalanx of big toe
Action - Flexion of big toe at MTP joint - Abduction of big toe at MTP joint
Nerve Supply - Medial plantar nerve

91
Q

OIAN Abductor Digiti Minimi

A

Origin - Calcaneus
Insertion - Base of proximal phalanx of toe 5
Action - Abduction of toe 5 at MTP joint
- Flexion of toe 5 at MTP joint
Nerve Supply - Lateral plantar nerve

92
Q

OIAN Flexor Digitorum Brevis

A

Origin - Calcaneus
Insertion - Bases of middle phalanges of toes 2-5
Action - Flexion of toes 2-5 at PIP joints Nerve Supply - Medial plantar nerve

93
Q

OIAN Quadratus Plantae

A

Origin - Calcaneus
Insertion - Lateral surface of flexor digitorum longus tendon
Action - Flexion of toes 2-5 at DIP joints Nerve Supply - Lateral plantar nerve

94
Q

OIAN Lumbricals

A

Origin - Tendons of flexor digitorum longus
Insertion - Extensor expansion 2-5
Action - Flexion of toes 2-5 at MTP joints
- Extension of toes 2-5 at IP joints
Nerve Supply -
Toes 2 – medial plantar nerve
Toes 3-5 – lateral plantar nerves

95
Q

OIAN Flexor Hallucis Brevis

A

Origin - Cuboid and lateral cuneiform bones
Insertion - Both sides of base of proximal phalanx of big toe
Action - Flexion of big toe at MTP joint Nerve Supply - Medial plantar nerve

96
Q

OIAN of Adductor Hallucis

A

Origin
- Oblique head: bases of 2nd – 4th metatarsals
- Transverse head: deep transverse metatarsal ligament and plantar plates of 3-5 MTP joints

Insertion - Base of proximal phalanx of big toe
Action - Adduction of big toe at MTP joint
- Flexion of big toe at MTP joint
Nerve Supply - Lateral plantar nerve

97
Q

OIAN Flexor Digiti Minimi

A

Origin - Base of 5th metatarsal
Insertion - Base of proximal phalanx of toe 5
Action - Flexion of toe 5 at MTP joint Nerve Supply - Lateral plantar nerve

98
Q

OIAN Dorsal Interossei

A

Origin - Posterior surfaces from adjacent metatarsals
Insertion - Extensor expansions of toe 2 and lateral sides of toes 2-4

Action
- Abduction of toes 2-4 at MTP joints
- Flexion of toes 2-4 at MTP joints
- Extension of toes 2-4 at IP joints
Nerve Supply - Lateral plantar nerve

99
Q

OIAN Plantar Interossei

A

Origin - Medial sides of metatarsals 3-5 Insertion - Extensor expansions of toes 3-5

Action
- Adduction of toes 3-5 at MTP joints
- Flexion of toes 3-5 at MTP joints
- Extension of toes 3-5 at IP joints
Nerve Supply - Lateral plantar nerve

100
Q

OIAN Extensor Digitorum Brevis

A

Origin - Anterior and lateral calcaneus
Insertion - Extensor expansion of toes 2-5 Action - Extension of toes 2-5
Nerve Supply - Deep peroneal nerve

101
Q

Four lateral ligaments of foot

A

Anterior Talofibular Ligament (ATFL)
Posterior Talofibular Ligament (PTFL)
Superior Peroneal Retinaculum (Retinacula)
Calcaneofibular Ligament (Calcaneofibular)

102
Q

What causes sprains? What causes strains?

A

Sprains are caused by stretches or tears in ligaments. They tend to occur at a precise moment when the joint is in an unnatural position.

Strains are tears or stretches in tendons. They can occur at a precise moment or through repetitive movement

103
Q

4 Medial Deltoid Ligaments of foot

A

Posterior tibiotalar Ligament
Tibiocalcaneal Ligament
Anterior tibiotalar ligament
Tibionavicular Ligament

104
Q

What is responsible for sexual dimorphism in the pelvis?

A

Estrogen