S2_L2: Pectoral and Shoulder Region Flashcards
What is the most common shoulder dislocation?
Anterior
This is also known as “frozen shoulder”
Adhesive capsulitis
Determine which nerve is being described by the following:
- No supply in the upper arm but will supply the forearm muscles
- Pierces the coracobrachialis then passes between the biceps and brachialis muscles
- Longest and largest brachial nerve of the brachial
plexus
A. Musculocutaneous nerve
B. Median nerve
C. Ulnar nerve
D. Radial Nerve
E. None
- B
- A
- D
Determine which nerve is being described by the following:
- at the insertion of coracobrachialis, it pierces medial
fascial septum and enters posterior compartment of the arm at the medial epicondyle - enters anterior compartment just above the
lateral epicondyle - can be pinched in weightlifters
A. Musculocutaneous nerve
B. Median nerve
C. Ulnar nerve
D. Radial Nerve
E. None
- C
- D
- A
For every (1)_____ ° of abduction of the arm, 2° of abduction occurs in the (2)____ and 1° of abduction occurs by (3)_____ of the (4)_____.
- 3
- glenohumeral joint
- rotation
- scapula
This is also known as the saw muscle
Serratus Anterior
What muscle makes up the lateral border of the triangular space?
long head of triceps
Determine if the following joints in the shoulder complex is a synovial joint or not.
- Scapulothoracic
- Costoclavicular
- Suprahumeral
- Sternoclavicular
- Acromioclavicular
A. TRUE JOINT
B. FALSE/FUNCTIONAL JOINT
- B
- A
- B
- A
- A
This is known as the intermuscular space below the glenohumeral joint
QUADRANGULAR SPACE
TRUE OR FALSE: Sternoclavicular joint is a synovial double plane joint.
True
What nerves supply the GH joint?
axillary & suprascapular nerve
This is a space found between the superior and middle
glenohumeral ligaments
Foramen of Weitbrecht
TRUE OR FALSE: Without suprahumeral space, the shoulder cannot move
True
Match the following movements in the shoulder girdle.
- arms up
- Movement of scapula in which the glenoid fossa
faces superiorly - movement of glenoid fossa to face inferiorly
- distal end of clavicle and acromion process of
scapula move superiorly - distal end of clavicle and scapula move anteriorly
A. ELEVATION
B. DEPRESSION
C. PROTRACTION
D. RETRACTION
E. UPWARD ROTATION OF SCAPULA
F. DOWNWARD ROTATION OF SCAPULA
- A
- E
- F
- A
- C
When the GH joint performs a specific movement, the shoulder girdle (scapula and clavicle) performs an accessory movement. The following are paired correctly, EXCEPT:
A. horizontal abduction - adduction & protraction
B. IR - abduction & protraction
C. Flexion - elevation & upward rotation
D. Abduction - upward rotation
E. None
A. horizontal abduction - adduction & protraction
NOTE: It is paired with adduction & retraction
What postural deviation may be seen when the long thoracic nerve is injured?
Winging of the Scapula
The (1)_____ muscle initiates abduction, but the (2)____ muscle continues the movement
- Supraspinatus
- Deltoid
Enumerate the Rotator cuff muscles.
- Supraspinatus
- Infraspinatus
- Teres minor
- Subscapularis
TRUE OR FALSE: Abduction of the arm involves rotation of scapula as well as movement at the shoulder joint
True
This ligament is important in blocking the head of the
humerus from dislocating it superiorly.
A. costoclavicular ligament
B. sternoclavicular ligament
C. accessory ligament (trapezoid and conoid ligament)
D. acromioclavicular ligament
E. coracoacromial ligament
F. glenohumeral ligament
E. coracoacromial ligament
After a fall during a football game on an extended arm,
player noted the lateral end of the clavicle protrude
prominently. Scapula also droops down. Which ligament is affected?
A. costoclavicular ligament
B. sternoclavicular ligament
C. accessory ligament (trapezoid and conoid ligament)
D. acromioclavicular ligament
E. coracoacromial ligament
F. glenohumeral ligament
D. acromioclavicular ligament
The fibrous capsule of the shoulder joint (glenohumeral) is weakest where?
Foramen of Weitbrecht
NOTE: This is where dislocation of the head of humerus is most likely to occur.
The following are branches of the brachial artery, EXCEPT:
A. Nutrient artery
B. Profunda artery
C. Superior ulnar collateral artery
D. Inferior ulnar collateral artery
E. None
E. None
What cord/s make up the Median nerve?
medial and lateral cords
What cord/s make up the Ulnar nerve?
medial cord
Which arteries supplies the posterior compartment of the upper arm? Name the 2 arteries
- Profunda brachii
- Ulnar Collateral arteries
The following structures pass through the anterior compartment of the upper arm, EXCEPT:
A. Brachial artery
B. Basilic artery
C. Basilic vein
D. Median nerve
E. Musculocutaneous nerves
B. Basilic artery
The following is true about Erb Duchenne palsy, EXCEPT:
A. Traction or tearing of C7 and C8 roots
B. Upper lesion of the brachial plexus
C. Also known as “Waiter’s tip deformity”
D. Affects suprascapular nerve, nerve to subclavius nerve, musculocutaneous nerve, and axillary
nerve)
E. Results from excessive displacement of the humeral
head to the opposite side and depression of the
shoulder on same side
A. Traction or tearing of C7 and C8 roots
NOTE: It is the traction or tearing of C5 and C6 roots
The following is true about Rotator Cuff Injuries, EXCEPT:
A. commonly injured during repetitive use of upper limb
B. possible MOI is during swimming
C. most commonly affected tendon is the infraspinatus tendon
D. (+) drop arm test
E. NONE
C. most commonly affected tendon is the infraspinatus tendon
NOTE: most commonly affected - supraspinatus
The following is true about Adhesive capsulitis, EXCEPT:
A. fibrosis and scarring between the inflamed articular
capsule, rotator cuff and subacromial bursa
B. characterized by the development of dense adhesions, capsular thickening and capsular restrictions
C. occurs between the age of 50-65
D. also known as “Periarthritis”
E. NONE
C. occurs between the age of 50-65
NOTE: most commonly occurs between the age of 40-65
What nerve innervates the Biceps?
musculocutaneous nerve
What nerve innervates the Triceps?
radial nerve
TRUE OR FALSE: The triceps helps in extending the shoulder
True
What are the 3 actions of the biceps brachii?
- supinator
- elbow flexor
- weak shoulder flexor
What nerve innervates the Trapezius?
Spinal accessory nerve and C3-C4
What nerve innervates the Deltoid?
Axillary nerve
The Supraspinatus muscle is a/an ______.
A. Abductor
B. Adductor
C. Internal Rotator
D. External Rotator
E. None of the above
A. Abductor
The Teres Minors muscle is a/an ______.
A. Abductor
B. Adductor
C. Internal Rotator
D. External Rotator
E. None of the above
D. External Rotator
The Infraspinatus muscle is a/an ______.
A. Abductor
B. Adductor
C. Internal Rotator
D. External Rotator
E. None of the above
D. External Rotator
The Subscapularis is a/an ______.
A. Abductor
B. Adductor
C. Internal Rotator
D. External Rotator
E. None of the above
C. Internal Rotator
TURE OR FALSE: Breast are mammary glands
True
If there is a tumor or infection in the medial quadrant of the breasts, where will it spread?
internal thoracic group of nodes
NOTE: if lateral quadrant, it will spread to anterior axillary or pectoral group of nodes
In late pregnancy, what do you call the first milk that a mother produces with its breast?
colostrum
TRUE OR FALSE: The “stimulus” of the mother’s milk production is the baby
True
Additional Information: When a baby isn’t able to suck all of the mother’s produced milk in the breast, the mother will naturally produce less milk. This is because the mother and the baby have a “reflex” relationship
First site of metastasis in the breast is at the _____.
nodes
This space is between middle and inferior glenohumeral ligaments
Foramen of Rouviere
When a patient is diagnosed with Klumpke’s Palsy, the affected nerve roots are?
C8, T1
SCENARIO: Upon PE, a pt presents with Lateral Winging of Scapula. As a knowledgeable pt, what muscle deficit is present and which nerve innervates this?
trapezius ; spinal accessory nerve
Which nerve is said to be affected in a crutch palsy?
Axillary Nerve or Radial Nerve
