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Shoulder and elbow
Shoulder joint and elbow test 2 san juan ptap
24
Anatomy
Undergraduate 1
09/19/2013

Additional Anatomy Flashcards

 


 

Cards

Term

Latissimus dorsi origin

[image]

Definition
A extend, adduct, IR
O

inferior angle of scapula,

spinous processes of T7-T12,

ribs 9-12,

thoracolumbar aponeruosis,

posterior iliac crest

I intertubercular groove of the humerus
N thoracodorsal
Term

 deltoid

[image]

Definition
A Anterior Fibers - abduct, flex, IR, horizontally adduct
Middle Fibers - abduct
Posterior Fibers - abduct, extend, ER, horizontally abduct
O lateral 1/3 of clavicle, acromion, spine of scapula
I deltoid tuberosity
N axillary
Term

teres major

[image]

Definition
A extend, adduct, IR
O inferior angle, lower 1/3 of lateral border of scapula
 
I crest of lesser tubercle of humerus
N lower subscapular
   
Term

Supraspinatus

[image]

Definition
A abduct
stabilize head of humerus in glenoid cavity
O supraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular
Term
subscapularis [image]
Definition

 

A IR
stabilize head of humerus in glenoid cavity
O subscapular fossa of scapula
I lesser tubercle of humerus
N upper & lower subscapular
Term

pectoralis major

[image]

Definition
A

Upper Fibers - adduct, IR, flex, horizontally adduct

Lower Fibers - adduct, IR, extend

All fibers - assist to elevate thorax during forced inhalation (arm fixed)
 

O medial half of clavicle, sternum, cartilage of  ribs 1-6
 
I crest of greater tubercle of humerus
N

Upper fibers: lateral pectoral

Lower fibers:  medial & lateral  pectoral 

Term
dark muscles of birds are rich
Definition
in sarcoplasm
Term
Lateral or External Rotation
Definition
- infraspinatus, teres minor, posterior deltoid
Term
Medial or Internal Rotation -
Definition

subscapularis, latissimus dorsi, teres major, 

pectoralis major

Term
scaption
Definition

Motion through the plane of the scapula is termed.

between flexion and abduction

30-45%

Term
Supraspinatus
Definition

A  abduct

stabilize head of humerus in glenoid 

cavity

O  supraspinous fossa of scapula

I  greater tubercle of humerus

N  suprascapular

Term
Coracobrachialis
Definition

A  flex, adduct

O  coracoid process of scapula

I  medial surface of mid-humerus

N  musculocutaneous

Term

Infraspinatus

[image]

Definition
A ER, adduct, stabilize head of humerus in glenoid cavity
O infraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular
Term
Teres Minor
Definition

A  ER, adduct, stabilize head of humerus 

in glenoid cavity

O  upper 2/3 of lateral border of scapula

I  greater tubercle of humerus

N  axillary

Term
Subscapularis
Definition

A  IR

stabilize head of humerus in glenoid 

cavity

O  subscapular fossa of scapula

I  lesser tubercle of humerus 

N  upper & lower subscapular

Term
  • Anconeus

    [image]
Definition
A extend elbow
O lateral epicondyle of humerus
I olecranon proces and posterior proximal surface of ulna
N radial
Term
[image]
Definition
A flex elbow
 
O distal half of anterior humerus
I ulnar tuberosity & coronoid process
N musculocutaneous
Term

bachioradialis

[image]

Definition
A flex elbow
assist with resisted pronation/supination
O proximal 2/3 of lateral supracondylar ridge of humerus
I radial styloid
N radial
Term

Infraspinatus

[image]

Definition

 

A ER, adduct, stabilize head of humerus in glenoid cavity
O infraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular
Term

Teres Minor

[image]

Definition
A ER, adduct, stabilize head of humerus in glenoid cavity
O upper 2/3 of lateral border of scapula
I greater tubercle of humerus
N axillary
Term

Subscapularis

[image]

Definition
A IR
stabilize head of humerus in glenoid cavity
O subscapular fossa of scapula
I lesser tubercle of humerus
N upper & lower subscapular
Term

Biceps Brachii

[image]

Definition
A flex elbow, supinate forearm, flex shoulder
O Long Head - supraglenoid tubercle
Short Head - coracoid process of scapula
I radial tuberosity, aponeurosis of biceps brachii
N musculocutaneous
Term

Triceps Brachii

 [image]
Definition
A All Heads - extend elbow
Long Head - extend elbow, extend shoulder, adduct shoulder
O Long Head - infraglenoid tubercle
Lateral Head - posterior surface of proximal half of humerus
Medial Head - posterior surface of distal half of humerus
I olecranon process
N radial
Term

Coracobrachialis

[image]

Definition
A

flex, adduct

O coracoid process of scapula
 
I medial surface of mid-humerus
N musculocutaneous
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