anatomy Flashcards

1
Q

erector spinae

A

O: iliac crest, sacrum, lumbar, supraspinous ligament
I: angle of ribs and cervical TVP, TVP in thoracic area and mastoid process, SPs in thoracic regions
N: posterior rami of cervical nerves
A: extensors of vertebral column, lateral flexion of trunk

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2
Q

sternocleidomastoid

A

O: manubrium of sternum and medial clavicle
I: mastoid process of temporal lobe and nuchal line of occipital lobe
N: spinal accessory nerve
A: contralateral rotation and lateral flexion. flexion and elevation of neck

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3
Q

temporalis

A

O: temporal fossa and fascia
I: coronoid process and ramus of mandible
N: mandibular nerve
A: elevation and retraction of mandible

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4
Q

masseter

A

O: zygomatic arch
I: lateral surface of ramus of mandible
N: mandibular N.
A: elevation and protraction of mandible

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5
Q

rectus abdominus

A

O: pubic symphysis and crest
I: xiphoid process, ribs 5,6,7
N: intercostal nerves T6-T12
A: flexion of trunk, posterior tilt

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6
Q

external abdominal oblique

A

O: surface of bottom 8 ribs
I: linea alba, pubic tubercle, iliac crest
N: intercostal N. (T7-T12)
A: contralateral rotation, flexion

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7
Q

rhomboid major and minor

A

O: minor: C7-T1 major: T2-T5
I: minor: medial border of scapula, major: medial border of scapula below spine
N: Dorsal scapular N.
A: retraction, elevation of scapula and downwards rotation

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8
Q

trapezius

A

O: upper: occipital protuberance, nuchal line, C7. middle: T1-T5. lower: T6-T12
I: acromion, lateral 1/3 clavicle, spine of scapula
N: spinal accessory N.
A: extension of head, contralateral rotation of head
retraction of scapula
upwards rotation of scapula

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9
Q

latissimus dorsi

A

O: SP of T7-L5
I: bicipital groove of humerus
N: thoracodorsal N.
A: extension of arm, adduction, medial rotation

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10
Q

serratus anterior

A

O: upper 9 ribs
I: anterior surface of medial border of scapula
N: long thoracic N
A: upwards rotation of scapula, protraction of scapula

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11
Q

pectoralis major

A

O: medial scapula, upper 7 ribs
I: lateral lip of bicipital groove
N: Pectoral N.
A: flexion, adduction, medial rotation

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12
Q

deltoid

A

O: clavicle, acromion, spine of scapula
I: deltoid tuberosity of humerus
N: Axillary
A: flexion, extension, medial and lateral rotation, abduction

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13
Q

subscapularis

A

O: subscapular fossa
I: lesser tubercle of humerus
N: subscapular N.
A: medial rotation of shoulder joint

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14
Q

supraspinatus

A

O: supraspinatus fossa
I: greater tubercle of humerus
N: suprascapular N.
A: Abduction of arm

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15
Q

infraspinatus

A

O: infraspinatus fossa
I: greater tubercle of humerus
N: suprascapular N
A: lateral rotation

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16
Q

Teres major

A

O: superior lateral border of scapula
I: greater tubercle of humerus
N: Axillary
A: lateral rotation of arm

17
Q

Teres minor

A

O: inferior lateral border of scapula
I: medial lip of bicipital groove
N: subscapular N
A: extension, abduction, med. rotation

18
Q

biceps brachii

A

O: coronoid process of scapula and supraglenoid tubercle of scapula
I: radial tuberosity and fascia of forearm
N: musculocutaneous N
A: long head flexes shoulder, flexes forearm, supination

19
Q

triceps brachii

A

O: humerus radial groove and infraglenoid tubercle of scapula
I: olecranon process of ulna
N: radial
A: extension of arm and forearm

20
Q

pronator teres

A

O: humeral head- medial epicondyle of humerus ulnar head: coronoid process of ulna
I: middle of lateral surface of radius
N: median
A: pronates forearm

21
Q

Flexor carpi radialis

A

O: medial epicondyle of humerus
I: base of 2nd and 3rd metacarpals
N: median N
A: flexion of wrist and abduction

22
Q

flexor carpi ulnaris

A

O: medial epicondyle and olecranon process of ulna and posterior border
I: base of 5th metacarpal, hook of hamate and pisiform
N: Ulnar N.
A: flexion of wrist, adduction

23
Q

flexor digitorum superficialis

A

O: medial epicondyle, coronoid process of ulna, middle anterior surface of radius
I: base of middle phalanx 2-5
N: median
A: flexion of wrist and fingers 2-5 @ MCP and PIP

24
Q

extensor carpi radialis longus

A

O: lateral supracondylar ridge of humerus
I: base of 2nd metacarpal bone
N: radial
A: extends wrist, radial deviation

25
Q

brachioradialis

A

O: lateral supracondylar ridge of humerus
I: lateral distal end of radius
N: radial N
A: flexion of forearm

26
Q

extensor digitorum

A

O:lateral epicondyle of humerus
I: distal and middle phalanx of fingers 2-5
N: radial N
A: extension of wrist, extension of digits 2-5 at all joints

27
Q

abductor pollicis longus

A

O: middle of posterior surface of radius, ulna, interosseous membrane
I: base of 1st metacarpal
N: radial
A: abduction and extension of thumb at MCP

28
Q

abductor pollicis brevis

A

O: flexor retinaculum, scaphoid and trapezium
I: base of proximal phalanx of thumb
N: median
A: abduction of thumb

29
Q

flexor pollicis brevis

A

O: flexor retinaculum, trapezium
I: base of proximal phalanx of thumb
N: median
A: flexes thumb

30
Q

dorsal interossei

A

O: adjacent sides of metacarpals
I: proximal phalanx and dorsal digital expansion of 2,3,4
N: Ulnar N.
A: TATA wave
flexion of fingers at MCP and extension at PIP and DIP

31
Q

tensor fascia lata

A

O: lateral ASIS and anterior iliac crest
I: gerdy’s tubercle on tibia
N: superior gluteal N.
A: flexion, abduction, medial rotation of thigh

32
Q

sartorius

A

O: ASIS
I: medial surface of shaft of tibia
N: femoral N.
A: flexion, abduction, lateral & medial rotation, of thigh

33
Q

biceps femoris

A

O: ischial tuberosity and linea aspera
I: head of fibula and lateral condyle of tibia
N: tibial N and common fibular N.
A: flexion of leg, extension of thigh, lateral rotation (knee flexed)

34
Q

semitendinosus

A

O: ischial tuberosity
I: medial surface of shaft of tibia
N: tibial N
A: flexion of knee, extension of thigh, medial rotation when knee is bent

35
Q

rectus femoris

A

O: ASIS, brim of acetabulum
I: base of patella and then tibial tuberosity
N: femoral N.
A: extension of knee and flexion of thigh

36
Q

vastus medialis

A

O: intertrochanteric line, medial lip of linea aspera, medial supracondylar line
I: medial border of patella and then tibial tuberosity
N: femoral N.
A: extension at knee joint

37
Q

adductor muscles

A

O: Adductor longus -
anterior surface of
pubis
Adductor brevis -
body and inferior
ramus of pubis
Adductor magnus
Anterior head
(adductor part) –
ischiopubic ramus
(lateral fibers)
Posterior head
(hamstring part) –
ischial tuberosity
(down fibers)

I: Adductor longus -
middle part of linea
aspera
Adductor brevis -
proximal 1/3 of linea
aspera of femur
Adductor magnus -
anterior head – linea
aspera, gluteal
tuberosity, medial
supracondylar line
Posterior head –
adductor tubercle

N: Adductor longus,
brevis and anterior
head of magnus -
obturator nerve
Adductor magnus
posterior head –
tibial nerve

A: Adductor longus,
brevis, magnus
(anterior head):
1. Adduction of
thigh (hip joint)
2. Flexion of thigh
(hip joint)
3. Lateral rotation of
thigh (hip joint)
Adductor magnus
(posterior head):
1. Extension of thigh
(hip joint –
posterior
attachment)

38
Q

gastrocnemius

A

O: medial condyle of femur and lateral condyle of femur
I: calcaneus
N: Tibial N.
A: plantar flexion, flexion at knee