Anatomy - Upper Limb Intro Flashcards

1
Q

How are both the upper and lower limbs connected to the body

A

By a girdle

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2
Q

Bones making up pelvic girdle

A

Innominate bones:
Ilium
Ischium
Pubis

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3
Q

Bones making up shoulder girdle

A

Scapula

Clavicle

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4
Q

What allows the shoulder girdle to move freely

A

Shoulder girdle is made of relatively delicate bones that only have one attachment to the body

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5
Q

Gleno-humeral joint

A

Articulation of humeral head and glenoid fossa of the scapula

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6
Q

Similarities between hip and shoulder joint

A

Ball and socket synovial joints

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7
Q

Similarities between knee and elbow joint

A

Both huge joints - allow flexion and extension

Both supported by collateral ligaments

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8
Q

Main difference between foot and hand

A

In the foot, all 5 digits lie next to each other w/ the same orientation. However, the 1st digit in the hand (thumb or pollux) is rotated 90 degrees to face the other digits - allows us to grip structures by posing our thumb and fingers

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9
Q

Differences between knee and elbow joint

A

No intracapsular ligaments or menisci in elbow

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10
Q

Depth of acetabulum vs glenoid fossa

A

Deep vs shallow

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11
Q

Strength of hip vs shoulder ligaments

A

Strong vs weak

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12
Q

What is the shoulder joint adapted for

A

Mobility

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13
Q

Ulnaris

A

On the ulnar (medial) aspect of the forearm

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14
Q

Radialis

A

On the radial (lateral) aspect of the forearm

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15
Q

Digitorum

A

Of the digits

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16
Q

Carpi

A

Of the wrist

17
Q

Brachii

A

In the arm

18
Q

Superficial

A

Closer to the skin

19
Q

Profundus

A

Deep inside the body

20
Q

Pollicis

A

Of the thumb (pollux)

21
Q

Muscle compartments of the upper limb

A
Deltoid 
Anterior arm 
Hands 
Anterior Chest 
Anterior Forearm 
Posterior forearm
Posterior arm 
Back
22
Q

Function of muscles in deltoid compartment

A

Abduction of shoulder

23
Q

Nerve supply of deltoid compartment

24
Q

Function of muscles in anterior arm compartment

A

Flexion of elbow

25
Nerve supply of anterior arm compartment
Musculocutaneous nerve
26
Function of muscles in hand compartment
Abduction of fingers | Adduction of fingers
27
Nerve supply of hand compartment
Ulnar/ median nerve
28
Function of muscles in anterior forearm compartment
Flexion of wrist Flexion of fingers Pronation
29
Nerve supply of anterior forearm
Median/ ulnar nerve
30
Function of muscles in anterior chest compartment
Flexion of shoulder
31
Function of muscles in posterior forearm compartment
Extension of wrist Extension of finger Supination
32
Nerve supply of anterior chest compartment
Pectoral nerves
33
Nerve supply of posterior forearm compartment
Radial nerve
34
Function of muscles in back compartment
Extension of shoulder | Shoulder girdle actions
35
Nerve supply of back compartment
Misc nerves
36
Function of muscles in posterior arm compartment
Extension of elbow
37
Nerve supply in posterior arm compartment
Radial nerve
38
What can reduce distal motor function
Division of muscle belly Division of muscle tendon Pain of movement Division of nerve innervating muscle