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anat > Week 2: Upper limb anatomy > Flashcards

Week 2: Upper limb anatomy Flashcards

1
Q

What is the point of attachment of the upper limb and the rest of the skeleton?

A

Clavicle to manubrium

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2
Q

What bones make up the pectoral girdle?

A

Clavicle and scapula

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3
Q

What bones make up the arm?

A

Humerus

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4
Q

What are the joints in the upper limb defined as structurally?

A

Synovial

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5
Q

What are the features of synovial joints?

A
  1. space between joints. 2. joint cavity (contains synovial fluid) 3. Articular cartilage 4. Synovial membrane 5. Joint capsule 6. Ligament
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6
Q

How many axes of rotation does a ball and socket joint have? Example.

A

3 (flex,ex, abd,add, med/lat rot) e.g. shoulder

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7
Q

Axes of rotation of Condyloid/ellipsoid Joint? Example.

A

2 (flex/ex, abd/add) e.g. wrist

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8
Q

Axes of rotation of Saddle Joint? Example.

A

2 (flex/ext, abd/add) e.g. 1st carpometacarpal joint at base of thumb

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9
Q

Axes of rotation of Hinge Joint? Example.

A

1 (flex/ext) e.g. Elbow

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10
Q

Axes of rotation of Pivot Joint?

A

1 (rotation only) e.g. proximal radioulnar

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11
Q

Axes of rotation of a Plane / gliding?

A

Some gliding e.g. intercarpal joints

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12
Q

How many directions can scapula move?

A

6- Elevation, depression, retraction, protraction, upward and downward roation

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13
Q

Muscles that FLEX Shoulder joint

A

Deltoid (anterior fibres), biceps brachii contributes

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14
Q

Muscles that EXTEND Shoulder joint

A

Deltoid (posterior fibres), Latissimus dorsi

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15
Q

Muscles that ABDUCT Shoulder joint

A

Deltoid

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16
Q

Muscles that ADDUCT Shoulder joint

A

Pectoralis major

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17
Q

Muscles that MEDIALLY ROTATE Shoulder joint

A

Pec major, latissimuss dorsi

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18
Q

Elevate scapula?

A

Trapezius - descending fibres

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19
Q

Depress scapula?

A

Trapezius - ascending fibres

20
Q

Retract scapula?

A

Trapezius - transverse fibres

21
Q

Upward rotation of scapula?

A

Ascending and descending fibres of trapezius

22
Q

Flex elbow?

A

Biceps brachii, brachialis

23
Q

Extend elbow?

A

Triceps brachii

24
Q

Supinate forearm?

A

Bicepcs brachii, (others)

25
Q

Flexes wrist?

A

flexor carpi radialis, felxor digitorum superficialis

26
Q

Abducts wrist joint?

A

flexor carpi radialis

27
Q

What does flexor digitorum superficialis do?

A

Flexes proximal interphalangeal joint,

metacarpophalangeal joint, wrist joint

28
Q

Adducts wrist?

A

Extensor carpi ulnaris

29
Q

Extends wrist?

A

Extensor carpi ulnaris, extensor digitorum

30
Q

extensor digiti minimi

A

e.g. extensor digiti minimi • Extends interphalangeal joints and
metacarpophalangeal joint of the little finger

31
Q

Muscles on anterior forearm?

A

Flexor digitorum superficialis, flexor carpi radialis

32
Q

Muscles on posterior foearm?

A

Extensor digitorum, extensor carpi ulnaris, extensor digiti minimi

33
Q

Major nerves to upper limb?

A

Brachial plexus

34
Q

Major nerves of brachial plexus?

A

Musculocutaneous, ulnar , radial, median

35
Q

Motor nerve for anterior arm?

A

Musculocutaneous

36
Q

Motor nerve for posterior arm?

A

Radial nerve

37
Q

Motor nerve for posterior forearm?

A

Radial nerve

38
Q

Motor nerve for most intrinsic hand muscles?

A

Ulnar nerve

39
Q

What nerve passes near the radial nerve at elbowq?

A

Lateral cutaneous nerve of forearm

40
Q

Motor nerve for most anterior forearm?

A

Median nerve

41
Q

Motor nerve for thenar eminence?

A

Median nerve

42
Q

Lateral cutaneous nerve of forearm - Sensory

A

Lateral forearm

43
Q

Radial nerve - Sensory

A

Posterior arm, middle posterior forearm, dorsal surface lateral hand

44
Q

Ulnar nerve -Sensory

A

Medial palm and Medial 1.5 digits

45
Q

Median nerve - Sensory

A

Lateral palm; palmar surface and lateral 3.5 digits

anat (23 decks)

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