Term
Latissimus dorsi origin
[image] |
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Definition
| A |
extend, adduct, IR |
| O |
inferior angle of scapula,
spinous processes of T7-T12,
ribs 9-12,
thoracolumbar aponeruosis,
posterior iliac crest
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| I |
intertubercular groove of the humerus |
| N |
thoracodorsal |
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Term
|
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 |
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Term
|
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 |
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Term
|
Definition
| A |
abduct
stabilize head of humerus in glenoid cavity |
| O |
supraspinous fossa of scapula |
| I |
greater tubercle of humerus |
| N |
suprascapular |
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Term
|
Definition
| A |
IR
stabilize head of humerus in glenoid cavity |
| O |
subscapular fossa of scapula |
| I |
lesser tubercle of humerus |
| N |
upper & lower subscapular |
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Term
|
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
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Term
| dark muscles of birds are rich |
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Definition
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Term
| Lateral or External Rotation |
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Definition
| - infraspinatus, teres minor, posterior deltoid |
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Term
| Medial or Internal Rotation - |
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Definition
subscapularis, latissimus dorsi, teres major,
pectoralis major |
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Term
|
Definition
Motion through the plane of the scapula is termed.
between flexion and abduction
30-45% |
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Term
|
Definition
A abduct
stabilize head of humerus in glenoid
cavity
O supraspinous fossa of scapula
I greater tubercle of humerus
N suprascapular |
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Term
|
Definition
A flex, adduct
O coracoid process of scapula
I medial surface of mid-humerus
N musculocutaneous |
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Term
|
Definition
| A |
ER, adduct, stabilize head of humerus in glenoid cavity |
| O |
infraspinous fossa of scapula |
| I |
greater tubercle of humerus |
| N |
suprascapular |
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Term
|
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 |
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|
Term
|
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
|
Definition
| A |
extend elbow |
| O |
lateral epicondyle of humerus |
| I |
olecranon proces and posterior proximal surface of ulna |
| N |
radial |
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Term
|
Definition
| A |
flex elbow
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| O |
distal half of anterior humerus |
| I |
ulnar tuberosity & coronoid process |
| N |
musculocutaneous |
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Term
|
Definition
| A |
flex elbow
assist with resisted pronation/supination |
| O |
proximal 2/3 of lateral supracondylar ridge of humerus |
| I |
radial styloid |
| N |
radial |
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Term
|
Definition
| A |
ER, adduct, stabilize head of humerus in glenoid cavity |
| O |
infraspinous fossa of scapula |
| I |
greater tubercle of humerus |
| N |
suprascapular |
|
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Term
|
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 |
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Term
|
Definition
| A |
IR
stabilize head of humerus in glenoid cavity |
| O |
subscapular fossa of scapula |
| I |
lesser tubercle of humerus |
| N |
upper & lower subscapular |
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Term
|
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 |
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Term
|
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 |
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Term
|
Definition
| A |
flex, adduct
|
| O |
coracoid process of scapula
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| I |
medial surface of mid-humerus |
| N |
musculocutaneous |
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