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Upper Limb
Dr. Jackson's Notes
31
Anatomy
Graduate
08/15/2011

Additional Anatomy Flashcards

 


 

Cards

Term

 

 

 

What's the only muscle of the pectoral region that inserts on the humerus?

Definition

 

 

 

 

Pectoralis Major

Term

 

 

 

 

What are the Pectoral region Muscles?

Definition

 

 

1. Pectoralis Major

2. Pectoralis Minor

3. Subclavius

4. Serratus Anterior

Term

 

 

 

What are the three portions of the sternum?

Definition

 

 

 

1. Manubrium

2. Body

3. Xiphoid Process

Term

 

 

 

What's the articulation of the Manubrium and the body of the sternum called? What is this a landmark for?

Definition

 

 

 

Sternal Angle, which usually represents the attachment of the second costal cartilage/2nd rib

Term

 

 

 

Only what fraction of the head of the humerus makes contact with the glenoid cavity?

Definition

 

 

 

 

1/3

 

 

Term

 

 

 

The musculotendinous cuff, or the rotator cuff, maintains the stability of the  _____________.

Definition

 

 

 

 

Shoulder Joint

Term

 

 

 

 

What are the Rotator cuff muscles?

Definition

 

 

1. Supraspinatous

2. Infraspinatous

3. Teres Minor

4. Subscapularis

Term

 

 

 

All major nerve plexuses are formed from...

Definition

 

 

 

 

All major nerve plexuses are formed from Ventral 1° Rami

 

Term

 

 

 

What Ventral Primary Rami form the Brachial Plexus?

Definition

 

 

 

 

C5 →T1 Ventral 1° Rami

Term

 

 

 

How many major branches of the Brachial Plexus are there?

Definition

 

 

 

 

16

Term

 

 

 

 

Especially in the elderly, where is the weakest part of the clavicle?

Definition

 

 

 

The junction between the middle 1/3 and lateral 1/3 of the clavicle

Term

 

 

 

 

Why are scapular fractures (not involving the acromion) relatively uncommon?

Definition

 

 

1. Muscular support

 

2. Thoracic wall support

Term

 

 

 

The most commonly fractured portion of the scapula is what?

Definition

 

 

 

 

The acromion (subcutatneous portion)

Term

 

 

 

The most fractured portion of the humerus is what?

Definition

 

 

 

 

The surgical neck of the humerus

Term

 

 

 

 

What are the two injuries that axillary nerve is most susceptible to?

Definition

 

 

 

1. Surgical Neck Fracture

 

2. Shoulder Dislocation

Term

 

 

 

 

Deltoids and Teres Minor are innervated by what nerve?

Definition

 

 

 

 

Axillary Nerve C5,6

Term

 

 

 

What nerve of the upper limb supplies 13 muscles, none of which are in the hand?

Definition

 

 

 

 

Radial Nerve C[5]6-8, [T1]

Term

 

 

 

A young man experiences an injury in the radial (spiral) groove on the posteriolateral aspect of the humerus. A lesion to this nerve will cause what physical disorder?

Definition

 

 

 

A Radial Nerve lesion in the Spiral groove will cause Wrist drop

Term

 

 

 

What are the two locations where the Radial nerve is susceptible to lesion that could result in wrist drop?

Definition

 

 

1. Axilla

 

2. Radial/Spiral Groove

Term

 

 

 

What nerve lies on the distal portion of the humerus carrying cord levels C[5]6-8, T1?

Definition

 

 

 

 

Median Nerve

Term

 

 

 

What nerve represents the terminal branch of the posterior cord of the Brachial Plexus?

Definition

 

 

 

 

Radial Nerve C[5]6-8, [T1]

Term

 

 

 

What nerve can be found coursing behind the medial epicondyle of the humerus?

Definition

 

 

 

 

Ulnar Nerve C7-T1

Term

 

 

 

The nerve supplying 90% of motor innervation to the hand would be what?

Definition

 

 

 

 

Ulnar Nerve C7-T1

Term

 

 

 

What nerve supplying motor innervation to the hand will enter the Carpal Canal, and compression of it will cause Carpal Tunnel Syndrome?

Definition

 

 

 

 

Median Nerve C[5]6-8,[T1]

Term

 

 

 

The 1st thoracic segment of the spinal cord on the left side is severed in a man involved in a tragic chainsaw accident. It's safe to say that he's lost all muscles in what structure?

Definition

 

 

 

The hand; T1 provides motor innervation to the intrinsic muscles of the hand ("Lose T1, lose the hand"- Dr. Jackson)

Term

 

 

 

A man with Horner's syndrome is having trouble with his hands functioning as time progresses. This is probably due to what?

Definition

 

 

 

Gradual loss of T1 innervation to the intrinsic muscles of the hand

Term

 

 

 

Name the carpal bones

Definition

1. Scaphoid

2. Lunate

3. Triquetrum

4. Pisiform

5. Trapezium

6. Trapezoid

7. Capitate

8. Hamate

Term

 

 

 

An old man falls and fractures a carpal bone. The odds would point towards what bone being fractured?

Definition

 

 

 

 

Scaphoid, the most lateral bone in the proximal row, is the most frequently fractured carpal bone

Term

 

 

 

An old woman playing tennis dislocates a carpal bone in her right wrist. Which bone is most likely dislocated?

Definition

 

 

 

 

The Lunate

Term

 

 

 

What does carpal bone visibility allow one to figure out about a child?

Definition

 

 

 

 

Age

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