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A&P I IPAP 3-17 > Exam 5 Upper Extremity 51X > Flashcards

Exam 5 Upper Extremity 51X Flashcards

1
Q

Name the muscles that are Scapulohumeral Muscles, the intrinsic shoulder muscles?

A 
Deltoid
Supraspinatus
Infraspinatus
Teres Minor
Teres Major
Subscapularis
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2
Q

Which Scapulohumeral muscle is a multipennate muscle?

A

Deltoid Muscle

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3
Q

What are the names of the four muscles that make up the rotator cuff (Their tendons form a single tendon unit to form a “cuff” over the head of the Humerus)?

A

Supraspinatus
Infraspinatus
Teres Minor
Subscapularis

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4
Q

What are the functions of the rotator cuff?

A
  • Help lift and rotate arm

- Stabilize Humeral head within glenoid cavity

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5
Q

Which of the Rotator cuff muscles are not a rotator?

A

Supraspinatus

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6
Q

What does the Coracoacromial ligament, ligament that connects to the Acromion and Coracoid process, prevent from happening?

A

Superior displacement of Humeral head from glenoid cavity

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7
Q

What separates the tendon from the coracoacromial ligament, acromion, and deltoid muscle?

A

Subacromial bursa

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8
Q

A patient who has painful abduction of the arm during the arc of 50-130 degrees may be suffering from what?

A

Subacromial bursitis

-Painful arc syndrome

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9
Q

What provides a passageway for vessels and nerves to reach the upper extremities from the trunk?

A

Axilla

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10
Q

What the is pyramidal space that lies inferior to the glenohumeral joint and superior to the axillary fascia at the junction of the arm and thorax called?

A

Axilla

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11
Q

The axilla has an apex, base, and four walls, what does the apex of the axilla allow?

A

Cervicoaxillary canal: between first rib, clavicle, and superior edge of subsacapularis allows passage of arteries, veins, lymphatics, and nerves to reach the arm

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12
Q

What artery begins at the lateral border of the 1st rib and is a continuation of the subclavian artery?

A

Axillary Artery

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13
Q

What will the Axillary become when it passes the inferior border of the teres major?

A

Brachial Artery

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14
Q

The axillary artery, axillary vein, and cords and branches of the brachial plexus associate proximally within a fascial sleeve called?

A

Axillary Sheath

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15
Q

What divides the Axillary artery into its 3 parts?

A

Tendon of Pectoralis minor

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16
Q

What is the name of the arterial branch that arises from the 1st part of the axillary artery?

A

Superior Thoracic Artery

17
Q

How many branches come off the 2nd part of the Axillary Artery and give the name(s)?

A

Thoracoacromial Artery

Lateral Thoracic Artery

18
Q

What are the names of the three branches that arise from the 3rd part of the Axillary Artery?

A
  • Anterior Circumflex Humeral Artery
  • Posterior Circumflex Humeral Artery
  • Subscapular Artery
19
Q

What forms the Axillary vein and where does it lie?

A
  • Brachial vein and Basilic vein at inferior border of the teres major.
  • Lies medial side of axillary artery
20
Q

The Musculocutaneous nerve Provides what innervation?

A
  • Flexor muscles of the arm

- Cutaneous: Lateral antebrachial cutaneous nerve

21
Q

What are the names of the Radial Cutaneous nerve Branches?

A
  • Inferior Lateral Brachial Cutaneous Nerve
  • Posterior Brachial Cutaneous Nerve
  • Posterior Antebrachial Cutaneous Nerve
22
Q

What nerve wraps around the surgical neck of the Humerus and what accompanies this nerve?

A

Axillary Nerve

-Posterior Circumflex Humeral Artery

23
Q

Which nerve wraps around the shaft of the Humerus and what accompanies this nerve?

A

Radial Nerve

-Deep Brachial Artery

24
Q

The Quadrangular Space is a four-sided posterior axilla space formed by what?

A
  • Superiorly: Inferior Border of Teres minor
  • Inferiorly: Superior Border of Teres major
  • Medially: Long Head of Triceps
  • Laterally? Surgical neck of humerus
25
Q

The Quadrangular Space transmits (contains) what?

A
  • Axillary nerve
  • Posterior Circuflex Humeral Artery
  • Posterior Circumflex Humeral Vein
26
Q

Which forearm muscles are innervated by the median nerve?

A
  • Flexor carpi radialis
  • Palmaris longus
  • Flexor digitorum superficialis
  • Flexor pollicis longus
  • Flexor digitorum profundus (also ulnar nerve)
27
Q

Which muscles make up the Thenar muscles and which nerve innervates them??

A

Abductor pollicis brevis
Opponens pollicis
Flexor pollicis brevis (also ulnar nerve)

28
Q

Which forearm muscles are innervated by the ulnar nerve?

A

Flexor carpi ulnaris

Flexor digitorum profundus (also median)

29
Q

Which intrinsic hand muscles are innervated by the ulnar nerve?

A 
Adductor pollicis
Flexor pollicis brevis and lumbricals (also median)
and
Hypothenar compartment muscles
-Abductor digiti minimi
-Flexor digiti minimi brevis
-Oppenens digiti minimi
30
Q

What muscles are contained in the Anterior and Posterior compartments of the arm?

A 
Anterior Compartment
-Biceps brachii
-Brachialis
-Coracobrachilais
Posterior Compartment
-Triceps brachii
-Anconeus
31
Q

Which nerve innervates all muscle of the Anterior Compartment of the arm?

A

Musculocutaneous Nerve

32
Q

Name the membranous band from the biceps tendon that crosses the cubital fossa to merge w/ the deep fascia of the flexor muscles of the medial forearm? What is its purpose?

A

Bicipital Aponeurosis

-To protect structures in the cubital fossa

33
Q

Which muscle is synergistic to the Biceps brachii in the action of flexion of the forearm?

A

Brachialis

34
Q

When is the Bicep most efficient in producing flexion?

A
  • Elbow flexed close to 90 degrees

- Forearm is supinated

35
Q

Which muscle is always a flexor of the forearm regardless of pronation or supination?

A

Brachialis muscle

36
Q

Which muscle of the arm has no action on the forearm?

A

Coracobrachialis

A&P I IPAP 3-17 (16 decks)

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