Week 10 Flashcards
1
Q
Label
A
2
Q
Label
A
3
Q
Where can one palpate posterior mandibular condyle?
A
4
Q
What are the primary muscles of mastication?
A
5
Q
Label
A
6
Q
Label and state origin, insertion, and action
A
7
Q
Which muscles are activated when depressing the jaw?
A
8
Q
What are disk functions?
A
9
Q
Label
A
10
Q
What type of joint is TMJ? What makes it unique?
A
11
Q
Explain the joint capsule of TMJ
A
12
Q
What are the TMJ osteokinematics?
A
13
Q
What are the motions?
A
14
Q
Explain TMJ lateral excursion
A
15
Q
Explain mandibular protrusion
A
16
Q
What are the arthrokinematics of TMJ? How are the osteokinematics assessed?
A
17
Q
Explain the sequence of actions when opening/closing TMJ
A
18
Q
In the TMJ how do you differentiate roll and glide?
A
19
Q
Explain lateral deviation of TMJ
A
20
Q
Explain TMJ biomechanics
A
21
Q
What is the typical direction of disk displacement?
A
22
Q
Answer
A
23
Q
Answer
A
24
Q
Explain the common pathomechanics of TMJ disorders. What are the dental and occlusion considerations?
A
25
Label
26
What aspects of the sternoclavicular joint is convex/concave? What type of joint is it?
27
Label ligaments and describe role
28
Label
29
What are the motions of the SC joint?
30
What are the SC planes of motion and axis?
31
Explain elevation/depression of the SC joint
32
Ligaments: When are the CCL, SC, and ICL taught vs laxed?
33
Explain anterior/posterior rotation of the clavicle
34
Explain protraction/retraction of the clavicle
35
What motion has the concave rule apply to the clavicle?
36
Label
37
What is a weak AC capsule reinforced by?
38
Explain coracoacromial arch (function and structure)
39
What are the available motions at the SC and AC joints?
40
What is the axis for each AC joint motion?
41
What are the motions?
42
How does the AC joint respond to
1) Clavicular elevation/depression
2) Clavicular ant/post roll
3) Clavicular pro/retraction
43
What types of stressors and degenerative changes is the AC susceptible to?
44
Explain the structure of GH joint
45
Explain the labrum
46
What are the rotator cuff muscles?
47
When is the GH capsule taught?
48
What are the motions at the GH and ST joints?
49
Is the plane of scaption oblique?
yes
50
What part of the scapula is assessed for AC vs ST joint?
When assessing AC joint, we observe top half of scapula.
When assessing scapulothoracic joint, we observe bottom half of scapula
51
What are the motions of the scapula?
52
Label
53
answer
54
Which muscles have attachments along the clavicle?
All 4
55
When there are issues with cervical and TMJ regions, which muscle is usually the common denominator?
56
From the serratus anterior, pec minor, and subcapularis muscles. Which ones could change the position of the AC joint or glenoid fossa?
57
What are prime and assistant movers in GH flexion?
58
What forces result in GH extension?
59
Explain GH abduction and adduction
60
If the deltoid is paralyzed, which muscle can still take the GH in most if not all ROM of abduction?
61
What does the supraspinatus pull achieve here?
62
What would GH abduction WITHOUT a concurrent inferior slide cause?
63
Which muscles does that line of pull belong to?
64
What are the active muscles in the abduction of the GH joint?
65
Explain scapula motions during upward/downward rotation of the scapula?
66
What muscles are active during ST retraction?
67
What muscles are active during ST protraction?
68
What muscles are active during ST elevation/depression?
69
What muscles are active during ST upward/downward rotation?
70
Define scapulohumeral rhythm
71
What are the functions of scapulohumeral rhythm?
72
Give examples of motions that are dependent on GH abduction
73
Which motions make up the GH 120 abduction and ST 60 upward rotation?
74
What is usually a focus to increase when there is impaired scapulohumeral rhythm?
75
Give examples of common issues due to SC stress
76
What are the grades of AC joint injury?
77
Explain supraspinatus tendinitis
78
What is happening here?
pinching of the supraspinatus tendon
79
Label
80
Explain adhesive capsulitis
81
What are the subcategories of frozen shoulder?
82
Explain the issue
83
Label
84
Explain the axis
85
What type of joint is the proximal and distal radioulnar?
86
Explain the carrying angle
87
What type of mechanism does the ulna create with the humerus? What does it help with?
88
Label
89
Which ligament can throwing a golf ball with excessive force strain?
90
Explain the medial collateral ligament (Anterior bundle)
91
Explain the medial collateral ligament (posterior bundle)
92
Where is LCL located?
93
What are the ligaments of PRUJ?
94
What type of stability does the LCL, MCL, and superior radioulnar joint provide?
95
What is the quadrate ligament?
96
What are the primary flexors for humeroulnar joint, movers for proximal radioulnar, and distal radioulnar?
97
What are the primary extensors for humeroulnar joint and radioulnar joint?
98
What surrounds the cubital fossa?
99
What are the muscles of the radioulnar joint?
100
Label
101
Label
102
What are some things to consider when assessing the elbow?
103
What is the convex/concave rule for the radial head with 1) the humerus 2) proximal ulna?
104
Explain pronation/supination of the proximal radioulnar joint
105
What type of joint is the proximal radioulnar joint?
106
Explain pronation/supination of the distal radioulnar joint
107
What is the resting position of the radioulnar joint?
108
What does supination look like at the proximal and distal radioulnar joints?
109
What does pronation look like at the proximal and distal radioulnar joints?
110
What is the moving bone (radius/ulna) during pronation/supination?
radius
111
What can be injured in this fall?
112
What ligament can this injure?
113
What are the flexors and extensors of the radiocarpal, midcarpal, and carpometacarpal joints?
114
What are the flexors and extensors of the metacarpophalangeal joint?
115
What are the flexors and extensors of the proximal interphalangeal joint?
116
What are the flexors and extensors of the distal interphalangeal joint?
117
What are the muscles involved in radial and ulnar deviations in the radiocarpal, midcarpal, and carpometacarpal joints?
118
What are the muscles involved in radial and ulnar deviations in the metacarpophalngeal joint?
119
A patient is placed in a position of shoulder and elbow maximal flexion. By placing the patient in this position, the biceps is in a position of ____ insufficiency while the triceps is in____ insufficiency
active, passive
120
For shoulder abduction greater than ~110 degrees, which 2 muscles act to prevent impingement of structures inside the subacromial space by gliding the humeral head inferiorly?
Infraspinatus and teres minor
121
What characteristic best explains why the glenohumeral joint allows such a wide range of motion?
Shallow glenoid fossa compared to the large humeral head
122
When a waterpolo player elevates his shoulder during a serve, the medial head of the clavicle rolls in a(n) ______ direction and glides in a(n) ______ direction on the clavicular notch at the sternoclavicular joint.
Superior; inferior
123
The glenohumeral joint is guided through transverse plane motions by which muscles?
Teres Major
124
During the terminal degrees of overhead shoulder motion (in flexion or abduction), which combination of muscles is primarily responsible for creating the necessary posterior tilt and stabilization of the scapula?
Lower Trapezius and Serratus Anterior
125
What is the function of the rotator cuff during shoulder girdle elevation?
Provides a slight inferior translatory force of the humeral head during shoulder girdle elevation
126
The ultimate function of motion at the scapulothoracic joint is to:
Orient the glenoid fossa for optimal contact with the humeral head when maneuvering the arm
127
Which muscles produce upward scapular rotation when the shoulder girdle is elevated from ~90° to 180°?
Upper trapezius, lower trapezius, and serratus anterior
128
Is the Sternoclavicular joint (SC) is a gomphosis triaxial joint?
false
129
What would you consider to be a limiter of motion when a patient cannot achieve full elbow extension?
Passive tension of the flexor muscles
130
The __________ ligament is the primary stabilizer of the sternoclavicular joint.
Costoclavicular
131
The ________________ joint is the only upper extremity joint that has a direct articulation with the axial skeleton.
Sternoclavicular
132
What best describes the structure of the glenohumeral (GH) joint?
1) GH is naturally stable and congruent
2) labrum improves depth of glenoid fossa
3) labrum is made of a thin hyaline cartilage
The glenoid labrum enhances the depth of the glenoid fossa
133
Which muscle combination create downward scapular rotation?
Levator scapulae and Rhomboids
