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Origin and insertions of muscles > Upper limb > Flashcards

Upper limb Flashcards

Cram

1
Q

Supraspinatus

A

Origin - Supraspinous fossa
Insertion - Greater tubercle of humerus
Nerve - Subscapular nerve C5, C6
Action - Shoulder abduction

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2
Q

Infraspinatus

A

Origin - Infraspinous fossa
Insertion - Greater tubercle of humerus
Nerve - Subscapular nerve C5, C6
Action - Lateral rotation

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3
Q

Teres minor

A

Origin - Lateral border of scapula
Insertion - Greater tubercle of humerus
Nerve - Axillary nerve C5, C6, C7
Action - Lateral rotation

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4
Q

Subscapularis

A

Origin - Subscapular fossa
Insertion - lesser tubercle
Nerve - Scapular nerve (C5, C6, C7)
Action - medial rotation

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5
Q

Pectoralis major

A

Origin - 3rd to 5th rib
Insertion - Coracoid process of scapula
Nerve - Pectoral nerve (C8 - T1)
Action - Stabilises scapula

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6
Q

Subclavius

A

Origin - First rib
Insertion - middle of clavicle
Nerve - Brachial plexus C5-C6
Action - Depresses clavicle

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7
Q

Serratus anterior

A

Origin - 1-8 ribs
Insertion - medial border of scapula
Nerve - Thoracic nerve C5-C7
Action - Protracts scapula

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8
Q

Bicep brachii

A 
Origin - 
Short head: coracoid process of scapula 
Long head: tubercle of scapula
Insertion - Radial tuberosity 
Nerve - Musculocutaneous nerve
Action - Elbow flexion
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9
Q

Brachialis

A

Origin - Anterior surface of humerus
Insertion - coronoid process
Nerve - musculocutaneous nerve
Action - elbow flexion

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10
Q

Coracobrachialis

A

Origin - Coracoid process of scapula
Insertion - medial surface of humerus
Nerve - musculocutaneous nerve
Action - shoulder flexion

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11
Q

Tricep brachii

A

Origin -
Long head: tubercle of scapula
Lateral head: posterior surface of humerus
Medial head: posterior surface of humerus
Insertion - olecranon of ulna
Nerve - radial nerve C6, C7, C8
Action - elbow extension

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12
Q

Pectoralis major

A 
Origin - 
Sternocostal head - sternum
Clavicular head - medial surface of clavicle
Insertion - groove of  humerus
Nerve - Pectoral nerve C2, C3, C4
Action - Adduction, flexion, rotation
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13
Q

Trapezius

A

Origin - Superior nuchal line, spinous process of C7 to T12
Insertion - Clavicle, acromion
Nerve - Accessory nerve C2, C3, C4
Action - Elevation of clavicle, rotation

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14
Q

Lattimus dorsi

A

Origin - Thoracic vertebrae, iliac crest
Insertion - groove of humerus
Nerve - Thoracodorsal nerve (C6, C7, C8)
Action - Shoulder extension, adduction

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15
Q

Levator scapulae

A

Origin - TVPs of C1-C4
Insertion - medial border of scapula
Nerve - Scapular nerve
Action - elevates scapula

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16
Q

Rhomboid

A 
Origin - 
Minor - Spinous process of C7-T1
Major - T2 to T5
Insertion - Medial border of scapula
Nerve - Scapular nerve
Action - Scapula retraction
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17
Q

Deltoid

A

Origin - Clavicle, acromion, spine of scapula
Insertion - Tuberosity of humerus
Nerve - Axillary nerve C5, C6
Action - Flexion, extension, abduction

18
Q

Pronator teres

A 
Origin - 
Humeral head - medial epicondyle
Ulnar head - coronoid process of ulna
Insertion - Lateral surface of ulna
Nerve - median nerve (C6, C7) 
Action - Flexes elbow
19
Q

Flexor carpi radialis

A

Origin - Medial epicondyle
Insertion - 2nd metacarpal
Nerve - median nerve (c6, c7)
Action - flexes wrist

20
Q

Palmaris longus

A

Origin - Medial epicondyle
Insertion - Flexor retinaculum
Nerve - median nerve C6, C7
Action - Flexes wrist

21
Q

Flexor carpi ulnaris

A

Origin - Medial epicondyle
Insertion - Pisiform
Nerve - Ulnar nerve
Action - Flexes wrist

22
Q

Flexor digitorum superficialis

A

Origin - Medial epicondyle
Insertion - Phalanges
Nerve - Median nerve
Action - Flexes digits

23
Q

Flexor digitorum profundus

A

Origin - Medial surface of ulna
Insertion - Phalanges
Nerve - Ulnar and median nerve
Action - Flexion of wrist

24
Q

Flexor pollicis longus

A

Origin - Radius
Insertion - Thumb
Nerve - Interosseous nerve
Action - Interphalangeal joint

25
Q

Pronator quadratus

A

Origin - distal Ulna
Insertion - Distal radius
Nerve - Interosseous joint
Action - pronates forearm

26
Q

Iliacus

A

Origin - Iliac crest, iliac fossa
Insertion - Lesser trochanter of femur
Nerve - Femoral nerve (L2, L3)
Action - Hip flexion

27
Q

Psoas major

A

Origin - TVPs
Insertion - Lesser trochanter
Nerve - Lumbar nerves L1, L2, L3
Action - Hip flexion

28
Q

Psoas minor

A

Origin - Vertebral discs T12-L1
Insertion - Pectineal line
Nerve - Lumbar nerves L2, L3
Action - Flexes lumbar spine

29
Q

Sartorius

A

Origin - Iliac spine
Insertion - Medial surface of tibia
Nerve - Femoral nerve L2, L3
Action - Flexes, abducts

30
Q

Rectus femoris - quads

A

Origin - inferior iliac spine
Insertion - Base of patella
Nerve - Femoral nerve L2, L4
Action - Knee extension

31
Q

Vastus lateralis

A

Origin - Greater trochanter
Insertion - Base of patella
Nerve - Femoral nerve
Action - Knee extension

32
Q

Vastus intermedius

A

Origin - Surface of humerus
Insertion - Base of patella
Nerve - Femoral nerve L2, L4
Action - Knee extension

33
Q

Vastus medialis

A

Origin - Intertrochanteric line
Insertion - Base of patella
Nerve - Femoral nerve L2, L4
Action - Knee extension

34
Q

Gluteus maximus

A

Origin - Iliac crest, sacrum
Insertion - Iliotibial tract
Nerve - Gluteal nerve L5, S2
Action - Leg extension

35
Q

Glute medius

A

Origin - Ilium
Insertion - Greater trochantor
Nerve - Gluteal nerve L5, S1
Action - Medial rotation

36
Q

Glute minimus

A

Origin - Ilium
Insertion - Greater trochanter
Nerve - Gluteal nerve L5, S1
Action - Leg extension

37
Q

Semitendinous

A

Origin - Ischial tuberosity
Insertion - tibia
Nerve - Sciatic nerve (L5, S2
Action - Leg extension

38
Q

Semimembranous

A

Origin - Ischial tuberosity
Insertion - Medial epicondyle of tibia
Nerve - Sciatic nerve L5, S2
Action - Leg extension

39
Q

Bicep femoris

A

Origin - Ischial tuberosity
Insertion - Head of humerus
Nerve - Sciatic nerve
Action - Leg extension

40
Q

Gastrocnemius

A

Origin - lateral condyle of femur
Insertion - surface of femur
Nerve - Tibial nerve
Action - Plantar flexion

41
Q

Soleus

A

Origin - Head of fibula
Insertion - Surface of calcaneus
Nerve - Tibial nerve
Action - Plantar flexion

Origin and insertions of muscles (3 decks)

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