Upper Extremity Flashcards
(130 cards)
What are the bone boundaries of the apex of the axill?
- A: Clavicle
- P: scapula
- M: first rib
What is the anterior border of the axilla?
- Pectoralis major
2. Pectoralis minor
What is the medial border of the axilla?
- Serratus anterius
2. Thoracic wall
What is the posterior border of the axilla?
- Axillary vein
- Axillary artery
- Brachial plexus
The axillary fascia is a prolongation of what fascia?
prevertebral fascia
What are the components of you rotator cuff muscle?
Supraspinatus
Infraspinatus
teres minor
Subscaplularis
What intrinsic muscle medially rotates the shoulder?
- subscapularis
2. Teres major
What intrinsic laterally rotates the shoulder?
I. Infraspinatus
2. Teres minor
What intrinsic ABducts the shoulder?
- supraspinatus
2. Deltoid
When the shoulder joint is fully abducted then a force tilts the humeral head downward, then inferior, the dislocation will be ___
anterior inferior
What is the most commonly involved muscle in rotator cuff tendinitis?
supraspinatus
What joint is associated with shoulder dislocation
Glenohumeral
Wha joint is damaged in shoulder separation
Acromioclavicular
What are the contents of the quadrangular space in your shoulder?
- Axillary nerve (circumflex)
2. Posterior circumflex humeral vessels
What are the boundaries of your quadrangular space
- S: Teres minor
- Medial: long head of triceps brachii
- I: Teres major
- L: Surgical neck of humerus
What nerve is commonly damaged in glenohumeral joint sdislocation?
Axillary nerve
What nerve can be damages in surgical neck fracture of the humerus?
Axillary nerve
What are the different compartments of the arm?
- Anterior
2. Posterior
What is the main action of the anterior compartment of the arm?
It is the main flexor
What is the innervation of the anterior compartment of the arm
Musculocutaneous nerve
What is the main flexor of the forearm?
brachialis
What is the main supinator of the arm?
biceps brachii
What are the components of your anterior forearm?
- Coracobrachialis
- Brachialis
- Biceps brachii
What are the contents of your posterior compartment of the arm?
- Triceps brachii