Test 1 Review Questions for shoulder Flashcards
What is the pseudoarticulation of the shoulder?
Scapulothoracic
What condition causes the arm to be internally rotated and adducted?
Erb’s Palsy AKA Waiter’s Tip hand
What bone keeps the scapula on the posterior aspect of the thorax and prevents Glenoid from turning anterior?
Clavicle
What muscle crosses the clavicle?
Platysma (only one)
In shoulder dislocation, how is it usually displaced?
Greater Tub, of the humerus is displaced forward, arm usually held away from trunk
Dislocated clavicle usually manifests itself as…
Medial and Superior Displacement
Muscles attach to the clavicle solely from which aspect?
Inferior and posterior
Where is the location of coracoid process?
One inch from anterior edge of clavicle and press laterally posterior
Where is the location of the bicipital groove?
Superior and anterior aspect of humerus, medial to greater tuberosity and laterally from lesser tuberosity
Lesser tuberosity is located at the same level as what structure?
Coracoid Process
Acromion and spine of scapula form what kind of structure?
Continuous Arch
Scapulas’ medial border to superior angle are clinically significant because they refer pain to what site?
Cervical Spine
Location of scapula is associated to what other structures?
Covers ribs 2-7, medial border 2 inches from SPs
Spine of scapula is opposite from what spinal landmark?
T3
The purpose of soft tissue palp. of the shoulder is important because of what? (3)
- Establish normal soft tissue relationships
- Detect variations from normal anatomy
- Discover pathologies that may be present
What should examiner assess for during shoulder soft tissue palp?
Tone, consistency, size, and shape of individual muscles and their conditions.
What is springel’s deformity?
Failure of scapula to descend from neck to the thorax, causing webbing and shortening of neck.
Degeneration of RC results in restriction of motion, especially in what direction?
Abduction
Muscles pull in what manner?
Insertion to origin
What type of structure is the axilla?
Quadrilateral Pyramid
Components of medial axilla
Ribs 2-6 and Serratus Ant.
Component of lateral axilla
Bicipital groove
Component of Apex of axilla
GH joint
Component of Base of axilla
Webbed skin and fascia
Nerve found in axilla
Brachial Plexus
Artery of Axilla
Axillary A
Importance of checking SCM muscle
Site of hematomas, head turns to one side (wryneck), Ant/Post cervical lymph nodes subject to infection and enlargement, Trauma (hyperextension) whiplash
What muscle is frequently absent congenitally
Pec Major.
What can be palpated through the pec major?
Costochondral Junction
AKA for Costochondritis
Tietze’s Syndrome
Shoulder dislocation can result in damage to what nerve?
Axillary
What muscle is frequently involved in neck injuries and results in hematomas?
Trapezius
Nerve supply of trapezius
Spinal Accessory N, C3 and C4
What muscle is frequently involved in neck injuries during auto accidents or from strains in the neck region?
Trapezius
What muscles retract the scapula and hold the shoulders in a position of “attention”?
Rhomboids
Nerve supply of Rhomboids
Dorsal Scap. N C4 and C5
Nerve Supply of Lat. Dorsi
Throacodorsal N. (C6-C8)
Injury to Rhomboid results in what condition?
Flaring of Scapula
Quickest way to evaluate active ROM of the shoulder
Apleys
If a pt can perform complete active ROM in the shoulder there is no need for what?
Passive ROM
6 pure ROMs of the shoulder and degrees
Flexion- 180 Extension- 60 Abduction- 180 Adduction- 50 Int. Rot.- 70 Ext. Rot.- 90
What are the 3 combined ROMs?
Elevation, Rotation, Protraction
A blockage with a rubbery feel indicates?
Extra Articulation (soft tissue) blockage
What would an intra-articular (bony) blockage feel like?
Inflexible, ends abruptly
Abduction of the shoulder continues until the surgical neck of the humerus strikes what?
Acromion
How must the shoulder be positioned to achieve full abduction?
Externally Rotated
What dermatome is at the lateral arm with the pure sensation as a round patch on the lateral aspect of the deltoid muscle?
C5
WHat dermatome is located at medial arm?
T1
What dermatome is located at the axilla?
T2
What dermatome is located from the axilla to the nipple?
T3
What dermatome is located over the nipple?
T4
What is the correct method to test the integrity of sensation around the shoulder?
Prick each dermatome lightly with a pin asking the pt. if they feel the prick, then prick the opposite side. Each dermatome should then be tested similarly using a brush.
Abnormal sensation is called
Paresthesia
Increased sensation is called
Hyperesthesia
Decreased sensation is called
Hypoesthesia
Absence of sensation is called
Anesthesia
Yergason’s is used to determine stability of which biceps head?
Long
What condition may refer pain to the shoulder?
Coronary (Myocardial Infarction), Left diaphragm irritation, herniated disc, general trauma, spinal fx, pathology of the elbow or distal end of humerus, irritated muscle.