Shoulder Flashcards
What nerves innovates the rotator cuff
Lower sub scapularis nerve
Upper subscapularis nerve
Suprascapular nerve
What muscles are a part of the rotator cuff?
Supraspinatous
Infraspinatous
Teres minor
Subscapularis
What nerve innovates the teres major
Lower subscapularis nerve
What nerve innovates the subscapularis muscle
Upper and lower subscapularis nerve
What nerve innovates the supraspinatus and infraspinatus muscle
Suprascapular nerve
What nerve innovates the teres minor and deltoid
Axillary nerve
What nerve innovates the serrated anterior
Long thoracic nerve
What nerve innovates the subclavius muscle
Subclabius nerve
What nerve innovates the pectoral is minor and major (upper and lower fibers)
Lateral and medial pectoral nerve
What nerve innovates the pec major (upper fibers)
Lateral pectoral nerve
What nerve innovates the levator scapulae
Cervical nerve
What nerve innovates the levator scapulae,
Rhomboid minor
Rhomboid major
Dorsal scapular nerve
What nerve innovates the latissimus dorsi
Thoracodorsal nerve
What nerve innovates the sternoclavicular muscle and
The (upper, lower, middle) Trapezius
Accessory nerve
What kind of joint is the Glenohumeral Joint
Synovial, ball and socket, multiaxial, diarthosis
What surfaces does the glenohumeral joint articulate with
Convex head of the humerus
Concave cavity of the scapula
What movements does the glenohumoral joint have
Flexion
Extension
Abduction
Adduction
Lateral/external Rotation
Medial/internal rotation
Circumduction
What are the accessory ligaments of the Glenohumeral Joint
Superior glenohumeral ligament
Middle glenohumeral ligament
Inferior glenohumeral ligament
What joint in the shoulder region is not a true joint
Scapulothoracic joint
What is the scapulothoracic joint made up of?
Mostly muscle tissue
Connective tissue
Fascia
Large bursa (subscapularis bursa)
What articulating surfaces does the scapulothoracic joint have?
Concave subscapularis fossa
Surface on the convex posterior ribs
What movements does the scapulothoracic joint have?
Sliding type of motion, protraction, retraction, elevation, depression, upward rotation of the Glenoid fossa, downward rotation of the glenoid fossa
Where is the subacromial space
Between the humerus and acromian
The roof is the coracoacromial ligament
What 3 structures reside in the subacromial space
2 muscles and a bursa
Supraspinatus tendon (easiest to injure)
Biceps (long head) tendon
Subacromial bursa