Term
| deltoid tuberosity (location and what inserts here) |
|
Definition
located mid-shaft of the humerus
marks distal attachment of the deltoid muscle |
|
|
Term
| greater and lesser tubercles |
|
Definition
| at lateral and anterior head of the humerus, respectively |
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|
Term
intertubercular groove (for what?)
AKA? |
|
Definition
for passage of the long head of biceps tendon
AKA bicipital groove |
|
|
Term
| surgical neck (location)? |
|
Definition
| just distal to the tubercles of humerus |
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Term
|
Definition
| area for neurovascular passage from neck to arm |
|
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Term
|
Definition
| triangular elbow depression at elbow for brachial artery and median nerve passage |
|
|
Term
|
Definition
| gateway to palm for 9 long flexor tendons and median nerve |
|
|
Term
| how do you laterally rotate the scapula? |
|
Definition
| with the serratus anterior |
|
|
Term
|
Definition
laterally rotates and protracts scapula
innervated by long thoracic nerve (C5,6,7)
"reach my arm to heaven" |
|
|
Term
| what causes winged scapula? |
|
Definition
long thoracic nerve trauma --> serratus anterior is paralyzed
OR trap weakness or trauma to the spinal accessory nerve (CN XI)
unable to abduct arm above head because cannot laterally rotate |
|
|
Term
| what causes winged scapula? |
|
Definition
long thoracic nerve trauma --> serratus anterior is paralyzed
OR trap weakness or trauma to the spinal accessory nerve (CN XI)
unable to abduct arm above head because cannot laterally rotate |
|
|
Term
|
Definition
shrugs shoulders
innervated by spinal accessory nerve CN XI |
|
|
Term
|
Definition
adducts arm
innervated by thoracodorsal nerve - C6,7,8 |
|
|
Term
| three deep posterior shoulder muscles? |
|
Definition
| levator scapula, minor/major rhomboid |
|
|
Term
|
Definition
elevates and medially rotates scapula - glenoid cavity tilts inferior
innervated by dorsal scapular (mainly C5, little C4) |
|
|
Term
|
Definition
retractss and medially rotates scapula - glenoid cavity tilts inferior
innervated by dorsal scapular (mainly C5, little C4) |
|
|
Term
|
Definition
abductor of arm (humerus)
innervated by axillary nerve (C5,6) |
|
|
Term
|
Definition
adducts and medially rotates arm
innervated by lower subscapular nerve (C5,6) |
|
|
Term
| 4 muscles of the rotator cuff |
|
Definition
supraspinatus, infraspinatus, subscapularis, and teres minor (SITS)
These connect to shoulder by tendons, creating a musculotendinous cuff |
|
|
Term
what gives first 15 degrees of abduction?
what innervates this muscle? |
|
Definition
supraspinatus
innervated by suprascapular nerve (C5,6) |
|
|
Term
|
Definition
laterally (externally) rotates arm
innervated by suprascapular nerve (C5,6) |
|
|
Term
|
Definition
laterally rotates arm
innervated by axillary nerve |
|
|
Term
| what 3 shoulder muscles insert into the greater tubercle of the humerus? |
|
Definition
| supraspinatus, infraspinatus, and teres minor |
|
|
Term
|
Definition
adducts and medially rotates arm
innervated by upper and lower subscapular nerves (C5,6) |
|
|
Term
|
Definition
| separates deltoid and supraspinatus from the acromion |
|
|
Term
| most common cause of rotator cuff tendonitis? |
|
Definition
| inflammation of the supraspinatus tendon |
|
|
Term
| 4 boundaries of the quadrangular space |
|
Definition
| teres major, teres minor, surgical neck of the humerus, long head of the triceps |
|
|
Term
| what passing through the quandrangular space? |
|
Definition
| axillary nerve and the posterior circumflex humeral artery |
|
|
Term
| 3 boundaries of the triangular space |
|
Definition
| teres major, teres minor, long head of the triceps |
|
|
Term
| 3 boundaries of the triangular space |
|
Definition
| teres major, teres minor, long head of the triceps |
|
|
Term
| what does the triangular space contain? |
|
Definition
| circumflex scapular artery |
|
|
Term
|
Definition
| area of skin innervated by a single spinal nerve/spinal cord level |
|
|
Term
herpes zoster (chicken pox) can remain dormant in what?
zoster rash is due to what? |
|
Definition
DRG
"active" virus traveling from DRG to the skin area/dermatome |
|
|
Term
| fractures of the proximal humerus (surgical neck) can damage what nerve? |
|
Definition
| axillary nerve --> deltoid weakness |
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