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AA Exam 4 > PP 2 > Flashcards

PP 2 Flashcards

1
Q

What makes up The Shoulder Complex?

A

glenohumeral joint (ball and socket) and the shoulder girdle

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2
Q

Describe the shoulder complex.

A

two articulations 1. medial sternoclavicular joint (saddle) 2. lateral acromioclavicular joint (gliding). one interface 1. Scapulothoracic interface

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3
Q

What is the Scapulothoracic interface?

A

the contiguous relationship of the anterior scapular surface with the ribs of the thorax.

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4
Q

The Shoulder Girdle Primary Movements:

A

-Elevation -Depression -Abduction (Protraction) -Adduction (Retraction) -Upward Rotation -Downward Rotation

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5
Q

The Shoulder Girdle Accessory Movements

A

-anterior and posterior rotation of the clavicle -anterior and posterior tilt of the scapula -scapular winging

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6
Q

The Shoulder Joint movements

A

-Flexion -Extension -Abduction -Adduction -Internal rotation -External rotation -Horizontal abduction -Horizontal adduction -Circumduction

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7
Q

How much support does the shoulder capsule provide to the joint?

A

very little

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8
Q

Describe the shoulder capsule?

A

thin and loose

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9
Q

What does the shoulder capsule look like in anatomical position? Elevated?

A

-capsule is taut superiorly, hangs in a fold inferiorly; -as arm is elevated the situation is reversed

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10
Q
A
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11
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A
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12
Q
A
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13
Q
  1. What is the purpose of the coracoclavicular ligament?
  2. Which ligament makes it up?
A
  1. Maintain the relationship between clavicle and scapula
  2. Trapezoid ligament and conoid ligament
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14
Q

What are the 3 glenohumeral ligaments and what do they do?

A

superior, middle and inferior

strengthen the capsule, attach to the labrum

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15
Q

_________ joint motion is coupled with sternoclavicular joint movement.

A

Acromioclavicular (AC) joint

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16
Q

Describe the 3 classifications of AC joint seperation.

A
  • Type 1 (ligament stretch)
  • Type 2 (Partial rupture AC ligaments)
  • Type 3 (Complete rupture of AC and CC ligaments)
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17
Q

The Scapulohumeral Rhythm

  1. Which 2 joints?
  2. What is the 180 degree ratio?
A
  1. Shoulder joint and shoulder girdle
  2. 120 degrees shoulder abduction/60 degrees shoulder girdle. 2-1 ratio.
18
Q

The Scapulohumeral Rhythm

What is the “setting phase”?

A

Essentially the first 70 degrees of movement take place at the shoulder. The first 30 degrees of abduction is termed the “setting phase”

19
Q

Purpose of scapulohumeral rhythm.

A
  • less compromise of stability
  • Maintaining the glenoid fossa in an optimal position
  • maintain a good length-tension relationship
20
Q

Relationship between
Stability and Mobility

A
  • Generally there is an inverse relationship between stability and mobility.
21
Q

Because of the extreme degree of movement available at the shoulder and the relatively poor bony articulation (the glenoid accepts only a little more than ___ of the humeral head) the shoulder relies on the ____ muscles, the ____, and the ____ to help maintain the stability of the joint.

A
  • 1/3
  • rotator cuff
  • glenoid labrum
  • deltoid
22
Q

The Elbow Joint

A
  • The elbow (humeroulnar) joint is a hinge joint.
  • The movements possible are flexion and extension
23
Q

Medial Ligaments of the Elbow Joint

A

Ulnar collateral: 3 bands

  1. anterior from medial epicondyle to coronoid process
  2. posterior from medial epicondyle to olecranon process
  3. oblique: coronoid process to olecranon
24
Q

Identify the ulnar collateral ligaments

A
25
Q

Lateral Ligaments of the Elbow Joint

A
  1. Radial collateral (complex): can consist of just one collateral ligament from the lateral epicondyle to the annular ligament deep into the common extensor tendon
  2. or it can have several slips (including to the ulna)
26
Q

Identify the radial collateral ligament

A
27
Q
A
28
Q
A
29
Q

The Radio-ulnar Joint

  1. What movements?
  2. What articulation?
  3. What type of joint?
A
  1. supination and pronation
  2. proximal and distal articulation
  3. synovial pivot joint
30
Q

The oblique cord (oblique ligament)

  1. Where is it located?
  2. Which way do the fibers run?
A
  1. extending downward and lateralward, from the lateral side of the tubercle of the ulna at the base of the coronoid process to the radius a little below the radial tuberosity
  2. in the opposite direction to those of the interosseous membrane.
31
Q

The Wrist Joint

  1. What’s the other name for it?
  2. What kind of joint? and what does that mean?
  3. What are the movements of the wrist?
A
  1. radiocarpal joint
  2. condyloid joint (an ovoid articular head is received into an elliptical cavity)
  3. flexion, extension, ulnar deviation, radial deviation, and circumduction
32
Q

Label the ligament and all the attachment points.

A
33
Q
A
34
Q
A
35
Q
  1. Another name for ulnar tunnel
  2. What is it and where are the zones?
A
  1. Guyon’s canal
  2. Potential site for nerve entrapment
36
Q

Articulations and movement of intercarpal of the hand

A

Articulation: gliding

Movement: gliding

37
Q

Articulations and movement of Carpometacarpal of the hand

A

Articulation: gliding

Movement: gliding

38
Q

Articulations and movement of Metacarpophalangeal of the hand

A

Articulation: condyloid

Movement: flexion, extension, abduction, adduction, and circumduction

39
Q

Articulations and movement of Interphalangeal of the hand

A

Articulation: hinge

Movement: flexion and extension

40
Q

I dentify 3 tyes of joints in the hand.

A
41
Q

1st Carpometacarpal (thumb)

What kind of joint?

Movements and their planes?

A
  • Saddle joint
  • Movements
    • Flexion (frontal plane)
    • Extension (frontal plane)
    • Abduction (sagittal plane)
    • Adduction (sagittal plane)
    • Opposition (oblique)
    • Circumduction
42
Q

Collateral MCP ligaments

What is the condition of the ligament when the finger is flexed vs extended?

A

extended: slack
flexed: taut

AA Exam 4 (4 decks)

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