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Anatomy Flashcards

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1
Q

What is the lower limb composed of?

A 
Inguinal region
Thigh
Knee
Leg
Ankle
Foot
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2
Q

What three muscles make up the superficial muscles of the gluteal region?

A
  • Gluteus maximus
  • Gluteus Medius
  • Gluteus Minimus
  • Tensor fascia latae
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3
Q

What is the movement of the superficial gluteal muscles?

A
  • Medial rotators
  • Abductors
  • Extensors
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4
Q

Explain Trendelenburg’s Gait

A

Stand on one leg, the unsupported leg will tip, pathology to the superior gluteal nerve

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5
Q

What muscles make up the deep gluteal muscles?

A
  • Piriformis
  • Obturator internus
  • Gemelli
  • Quadratus femoris
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6
Q

What is the movement of the deep gluteal muscles?

A
  • Lateral rotators and hip stabilisers
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7
Q

What do nerves enter and exit the pelvis and perineum by?

A
  • Greater and lesser sciatic foramen
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8
Q

Where does the sciatic nerve exit?

A
  • L4-S3
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9
Q

Where does the pudendal nerve exit?

A
  • S2-S4
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10
Q

Where does the posterior cutaneous nerve of the thigh exit?

A
  • S1-S3
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11
Q

What does the sciatic nerve divide into and where does this usually occur?

A
  • Divides into the tibial nerve, and the common fibular nerve
  • usually superior to the popliteal fossa
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12
Q

What are the medial, lateral and superior aspects of the femoral triangle?

A
  • Medial - adductor longus
  • Lateral - sartorius
  • Superior - Inguinal ligament
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13
Q

What are the contents within the femoral canal? Laterally to medial

A
  • Femoral Nerve
  • Femoral Artery
  • Femoral Vein
  • Lymphatics
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14
Q

What are the three compartments of the thigh?

A
  • Anterior
  • Medial
  • Posterior
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15
Q

What are the muscles of the anterior thigh

A
  • Pectineus
  • Iliopsoas
  • Sartorius
  • Quadriceps femoris
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16
Q

What are the muscles of the medial thigh

A
  • Adductor longus
  • Adductor brevis
  • Adductor magnus
  • Gracillis
  • Obturator externus
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17
Q

Main nerve supply to the anterior thigh?

A
  • Femoral nerve
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18
Q

Main nerve supply to the medial thigh?

A
  • Obturator nerve
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19
Q

What are the muscles of the posterior thigh?

A
  • Semitendinosis
  • Semimembranosus
  • Biceps femoris
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20
Q

What is the main nerve supply to the posterior thigh?

A
  • Tibial division of sciatic nerve
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21
Q

What muscles make up the anterior leg?

A
  • tibialis anterior
  • extensor digitorum longus
  • extensor hallucis longus
  • fibularis tertius
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22
Q

What is the main nerve supply to the anterior leg?

A
  • Deep fibular nerve
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23
Q

What are the 3 compartments of the leg?

A
  • Anterior
  • Lateral
  • Posterior
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24
Q

What are the muscles that make up the lateral leg?

A
  • Fibularis longus

- Fibularis brevis

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25
What is the main nerve supply to the lateral leg?
- Superficial fibular nerve
26
What are the muscles that make up the posterior leg?
- Gastrocnemius - Soleus - Plantars - popliteus - flexor hallucis longus - flexor digitorum longus - tibialis posterior
27
What is the nerve supply to the posterior leg?
- Tibial nerve
28
What are the boundaries to the popliteal fossa?
- Superolateral - biceps femoris - Superomedially - semimembranosus - Inferiorly - gastrocenemius - Roof - Popliteal fascia
29
What is the contents of the popliteal fossa?
- Fat - Terminal small saphenous vein - Popliteal vessels
30
What muscles make up the hamstrings?
- Biceps femoris - semitendinosus - semimembranosus
31
What forms the muscular floor of the femoral triangle?
- iliopsoas laterally and pectineus medially
32
What forms the roof of the femoral triangle?
- Fascia lata | - crimbriform fascia
33
Where does the femoral nerve innervate?
- L2-L4
34
What is enclosed within the femoral sheath?
- femoral artery and vein
35
What is not included in the femoral sheath?
- femoral nerve | - this lies laterally to the sheath
36
Femoral hernias are found ___ to the pubic tubercle
- inferolateral
37
What is the main blood supply to the head of the femur?
- Medial and lateral circumflex arteries
38
Where can the femoral artery be palpated?
- 3cm inferior to the midpoint of the inguinal ligament
39
What muscle is involved in the knee jerk reflex?
- quadriceps
40
Where does the lymph following the great saphenous vein drain?
- drains into the superficial inguinal lymph nodes | - then into external iliac node
41
Where does the lymph following the small saphenous vein drain?
- popliteal lymph nodes | - then into deep inguinal nodes
42
What is the iliotibial tract?
- thickening of the deep fascia of the thigh | - fascia lata
43
What is the name given to the muscular part of the fascia latae?
- Tensor fasciae latae
44
What nerve may be effected during childbirth?
- Pudendal nerve
45
How many out of the 4 hamstring muscles attach to the ischial tuberosity proximally?
- 3 out of the 4 muscles
46
What are the 4 muscles that make up the hamstrings?
- semimembranous - semitendinosis - short head biceps femoris - long head biceps femoris
47
What is considered not a true hamstring?
- The short head biceps femoris
48
Why is the short head biceps femoris not considered a 'true' hamstring?
- Doesn't attach to the ischial tuberosity and instead attaches to the linea aspera of the femur - Has no effect on the hip joint - supplies common fibular branch of sciatic nerve
49
What is the appearance of the semimembranous muscle?
- shiny membranous apperance
50
What increases the dept of the acetabulum?
- the acetabular labrum
51
What ligament may be ruptured during a hip dislocation?
- ligament of the head of the femur
52
What are the 3 different types of fascia?
- Superficial - deep - visceral
53
The fascia lata is what type of fascia?
- deep
54
Where does the fascia lata start and end?
- start - iliac crest | - ends - distal to bony prominences of the tibia
55
What are the three intermuscular septa and what gives rise to it?
- fascia lata divides - anterior - medial - posterior
56
What are the 3 main functions of the iliotibial tract?
- movement - compartmentalisation - muscular sheath
57
What does ASIS stand for?
- anterior superior iliac spine
58
What are the deep muscles of the gluteal region?
- piriformis - obturator internus - superior and inferior gemelli - quadratus femoris
59
What are the names of the muscles that make up the hip adductors? Medial thigh?
- adductor magnus - adductor longus - adductor brevis - obturator externus - gracilis
60
What is the genicular anastomoses?
- collateral blood supply to the knee joint, leg and foot
61
What is the action of the posterior leg muscles?
- plantar flex the ankle and toes
62
What does the gastrocnemius attach to distally?
- attach to the calcaneus via the achilles tendon
63
What does the ACL prevent?
- prevents anterior displacement of the tibia on the femur and hyperextension
64
At what joint does pronation and supination occur?
- proximal and distal radioulnar joints
65
What does 'congruency' mean?
- shape of the articulating bones
66
Define subluxation?
- partial dislocation, where the articular surfaces are displaced
67
What are the 3 elbow ligaments?
- lateral collateral ligaments - annular ligament - medial collateral ligament
68
What innervates the deltoid muscle?
- axillary nerve
69
What innervates the teres major muscle?
- lower subscapular nerve
70
Why are the rotator cuff muscles important?
- stabilisers of the joint | - resist displacement of the humeral head
71
What are the compartments of the upper arm?
- anterior | - posterior
72
What are the muscles of the anterior arm?
- biceps brachii - brachialis - coracobrachialis
73
What is the anterior muscles of the arm innervated by?
- musculocutaneous nerve
74
What is the action of the anterior muscles of the arm?
- flexion of the arm and forearm
75
What is the muscle of the posterior arm?
- Triceps brachii
76
What nerve innervates the posterior compartment of the upper arm?
- Radial nerve
77
What are the superficial muscles of the anterior forearm?
- pronator teres - flexor carpi radialis - flexor carpi ulnaris - palmaris longus
78
What is the muscles of the intermediate anterior forearm?
- flexor digitorum superficials
79
What are the deep muscles of the anterior forearm?
- flexor pollicis longus - felox digiorum profundus - pronator quadratus
80
What is the main nerve innervation to the anterior muscles of the forearm?
- median nerve
81
Actions of the anterior muscles of the forearm?
- flexion of the wrist and digits | - pronation of the forearm
82
Where does the brachial plexus originate
- C5-T1
83
What roots form the superior trunk of the brachial plexus?
- C5 | - C6
84
What forms the posterior cord of the brachial plexus?
- the 3 posterior divisions of the superior, middle and inferior trunks
85
What cord does the musculocutaneous nerve divide from?
- lateral cord
86
What is the nemonic to remember for the order of the brachial plexus?
- Really (roots) - Tired (trunk) - Drink (divisions) - Coffee (cords) - Now (nerves)
87
What are the nerves from the brachial plexus
- musculocutaneous - axillary - radial - median - ulnar
88
Venae comitantes describes what?
- the veins of the upper limbs found at either side of the arteries
89
What are the 4 muscles that make up the rotar cuff muscles?
- supraspinatus - infraspinatus - teres minor - subcapularis
90
What action does the posterior muscles of the forearm do?
- extensor | - supination
91
What are the posterior muscles of the forearm?
- brachioradialis - extensor carpi radialis brevis - extensor carpir radialis longus - Extensor digitorum - Externsor digiti minimi - Extensor carpi ulnaris - supiator - extensor indicis
92
What is the origin + insertion of long head of biceps brachii?
- Supraglenoid tubercle of scapula | - Radial tuberosity
93
What is the origin + insertion of short head of biceps brachii?
- Coracoid process of scapula | - Radial tuberosity
94
What is the nerve + arterial supply to biceps brachii?
- Musculocutaneous nerve | - Brachial artery
95
What is the origin + insertion of coracobrachialis?
- Coracoid process of scapula | - Medial humerus
96
How many of each groups of vertebrae are there?
- Cervical (5) - Thoracic (12) - Lumbar (5) - Sacral (5) - Coccyx (4)
97
What does the cervical vertebrae contain which is unique to them?
- bifid process
98
Each thoracic vertebrae has 2 ____
- demi facets
99
Name some abnormal curves of the spine?
- thoracic kyphosis - lumbar lordosis - ankylosing spondylitis - scoliosis
100
The vertebral body forms the __anterior/posterior__ of each vertebrae?
- forms the anterior
101
The vertebral body is the weight bearing component True/False?
- True
102
What lies between the transverse process and the spinous process?
- The lamina
103
What is the main muscle of the back called that is responsible for extension and flexion
Erector spinae
104
What lies in-between each vertebrae?
-Intervertebral joint
105
What is the cauda equina?
- Bundle of nerve roots | - Distal end of spinal cord
106
The extrinsic back muscles are made up of 2 layers, what are these?
- Superficial layer | - Intermediate layer
107
The intrinsic back muscles are made up of 3 layers, what are these?
- Superficial layer - Deep layer - Deepest layer
108
What type of joint is the sacro-iliac joint?
- synovial | - fibrous
109
Explain the role of the acetabular labrum?
- fibrocartilaginous rim along the margin of the acetabulum | - deepens the acetabulum
110
What are the 3 ligaments of the hip joint?
- iliofemoral - ischiofemoral - pubofemoral
111
What hip ligament is Y shaped?
- iliofemoral ligament
112
What is more common a posterior hip dislocation or an anterior hip dislocation?
- posterior hip
113
What is the risk of a posterior hip dislocation?
- damage to sciatic nerve
114
What would a posterior dislocated hip appear like? - length - rotation
- shorter | - medially rotate
115
Where does the sciatic nerve originate from?
- L4-S3
116
The sciatic nerve runs __anterior/posterior___ to the acetabulum?
- posterior
117
The sciatic nerve leaves the pelvis through the __greater/lesser___ sciatic foramen?
- greater sciatic foramen | - inferior to the piriformis
118
Explain trendelenburg's sign?
- inferior dropping of the contralateral hip when standing on one limb - gluteus medius and minimus weakened
119
What are the 2 muscles which abduct the hip?
- gluteus medius - gluteus minimus - both insert into the greater trochanter of the femur
120
What is the primary blood supply to the hip joint?
- medial circumflex
121
Explain Maisonneuve fractures?
- fracture to the proximal fibular | - seperation of distal tibia and fibula causes rupture of tibiofibular syndesmosis
122
What holds the distal parts of the tibia and fibula together?
- tibiofibular syndesmosis
123
What may occur if the anterior lower leg is injured?
- deep fibular nerve damage | - impaired dorsiflexion
124
What may occur if the lateral lower leg is injured?
- superficial fibular nerve damage | - impaired eversion
125
Explain foot drop?
- due to dysfucntion of the anterior compartment muscles - changes in gait - high steppage and foot slap
126
What forms the shoulder girdle?
- scapula - clavicle - proximal humerus - supporting muscles
127
What are the muscles of the rotator cuff?
- supraspinous - infraspinous - teres minor - subscapularis
128
Where does the subscapularis muscle insert?
- lesser tuberosity
129
Adhesive capsulitis is loss of ____ rotation
- external rotation | - aka. frozen shoulder
130
What muscle is involved in extension of the elbow?
- triceps muscle
131
What muscles is involved in flexion of the elbow?
- brachialis | - biceps
132
What muscles are involved in supination of the elbow?
- biceps | - supinator muscles
133
What muscles are involved in pronation of the elbow?
- pronator teres muscle | - pronator quadratus muscle
134
What forms the superior border of the cubital fossa?
- medial epicondyle
135
What does the cubital fossa contain?
- radial nerve - biceps tendon - brachial artery - median nerve
136
What does the anatomical snuffbox contain?
o Radial artery o Superficial branch of the radial nerve o Cephalic vein
137
Pain in the anatomical snuffbox may be due to____
- a fracture of the scaphoid bone
138
The axillary nerve passes posteriorly through the____
- quadrangular space
139
What are the superior, inferior, lateral and medial borders of hr quadrangular space?
- superior - teres minor - inferior - teres major - Medial - long head of triceps brachii - lateral - head of humerus
140
What condition may occur if the radial nerve is damaged?
- wrist drop

MSK (16 decks)

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