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Anatomy Exam 3 > Overview of UE > Flashcards

Overview of UE Flashcards

1
Q

Clavicle fxn

A
  • S-shaped bone
  • Connect upper limb to axial skeleton
  • Acts as a strut to keep upper limb in lateral position
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2
Q

Sternoclavicular joint

A
  • Synovial joint btwn clavicle & manubrium

- Allows clavicle to move anterior/posterior & superior/inferior

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3
Q

Acromioclavicular joint

A
  • Synovial joint btwn clavicle & acromion

- Allows acromion to rotate on clavicle

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4
Q

Scapulothoracic joint

A
  • Not a true anatomic joint (no synovial tissue or osseous connection)
  • A functional joint, permitting movement of scapula on thoracic wall
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5
Q

Movements of the scapula

A
  • Elevation: Moves scapula superiorly
  • Depression: Moves scapula inferiorly
  • Retraction: Draws scapula posteriorly (medial borders drawn together)
  • Protraction: Draws scapula anteriorly (medial borders pulled apart)
  • Upward rotation: Directs glenoid cavity superiorly
  • Downward rotation: Directs glenoid cavity inferiorly
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6
Q

Glenohumeral joint

A

Ball & socket synovial joint w/ wide ROM

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7
Q

GH joint actions

A
  • Flexion: Moves UE anteriorly
  • Extension: Moves UE posteriorly
  • Abduction: Draws UE away from midline
  • Adduction: Draws UE towards midline
  • Medial/lateral rotation: humerus rotates along long axis
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8
Q

What does scapulohumeral rhythm mean?

A

Movements of SC, AC, & ST joints coordinate w/ movements of GH joint –> full ROM

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9
Q

Every 2˚ of GH motion, is associated w/ what?

A

1˚ of scapulothoracic movement

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10
Q

Wrist joint

A

Synovial joint btwn distal radius, articular disc, & 3/4 proximal carpals (scaphoid, lunate, & triquetrum)

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11
Q

Wrist joint actions

A
  • Flexion
  • Extension
  • Abduction (radial deviation)
  • Adduction (ulnar deviation)
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12
Q

Carpometacarpal joints

A

Synovial joints btwn carpals & metacarpals

- Movement of thumb primarily occurs here

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13
Q

CMC joint actions

A
  • Extension of thumb
  • Flexion of thumb: Draws thumb medially across palm
  • Abduction of thumb: Draws thumb anterior to palm
  • Adduction of thumb
  • Opposition of thumb
  • Reposition of thumb
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14
Q

Metacarpophalangeal joints

A

Synovial joints btwn metacarpals & proximal phalanges

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15
Q

MCP joint actions

A
  • Extension of fingers
  • Flexion of fingers
  • Abduction of fingers: away from the 3rd digit
  • Adduction of fingers: toward the 3rd digit
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16
Q

Interphalangeal joints

A

Hinge synovial joints btwn phalanges

17
Q

IP joint actions

A
  • Flexion of fingers

- Extension of fingers

18
Q

Components of the SF fascia

A
  • Fat
  • Cutaneous nn
  • SF vv
  • Lymphatic vessels
  • Lymph nodes
19
Q

Deep fascia

A

Dense CT

20
Q

Subdivisions of the deep fascia

A
  • Pectoral
  • Deltoid
  • Axillary
  • Brachial
  • Antebrachial
  • Palmar (w/ central thickening = aponeurosis)
21
Q

In arm, brachial fascia gives rise to what?

A

2 septa that divide arm into posterior/anterior compartments

22
Q

In forearm, antebrachial fascia gives rise to what?

A

Septum & interosseous membrane that divides forearm into anterior/posterior compartments

23
Q

Near wrist, antebrachial fascia forms what?

A

Flexor & extensor retinacula (keep tendons in place)

24
Q

Deep veins

A

Parallel aa

25
Q

Perforating veins

A

Connect SF & deep vv

26
Q

What are the SF vv?

A
  • Dorsal venous network
  • Cephalic v
  • Basilic v
  • Median cubital v
27
Q

Cephalic v

A
  • Arises from lateral aspect of dorsal venous network
  • Travels along lateral aspect of forearm & arm
  • Enters deltopectoral triangle
  • Drains into axillary v
28
Q

What comprises the deltopectoral triangle?

A
  • Deltoid
  • Pec major
  • Clavicle
29
Q

Basilic v

A
  • Arises from medial aspect of dorsal venous network
  • Courses along medial aspect of forearm & arm
  • Joins brachial vv to form axillary v
30
Q

Median cubital v

A
  • Site of venipuncture
  • Arises from cephalic v
  • Crosses superficial to cubital fossa
  • Empties into basilic v
31
Q

Median antebrachial v

A

Divides into median cephalic v & median basilic v

*Venipuncture is common in this region

32
Q

Brachial plexus

A
  • Network of nn in neck & axilla
  • Give rise to motor & sensory nn
  • Formed by ventral rami C5- T1

Anatomy Exam 3 (3 decks)

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