Anatomy Flashcards
(115 cards)
Pectoralis major innervation
C5-T1
Medial pectoral nerve
Lateral pectoral nerve.
Pectoralis minor innervation
C8-T1
Medial pectoral nerve
Lateral pectoral nerve.
Trapezius innervation
Accessory nerve (CNXI)
Latissius Dorsi innervation
C6/C7
Thoracodorsal nerve
Serratus anterior innervation
C6/7
Long thoracic nerve.
Pec major actions
Adduction arm
Medial rotation humerus
Flexion of arm
Pec minor actions
Depress tip of shoulder
Stabilise scapula
Trapezius actions
Retract scapula, elevate, rotate
Pec minor origin/insertation
Ribs 3-5
Inserts: corocoid process of scapula
Trapezius origin/insertation
C7-T12/. Thoraco/cervical vertebrae
Inserts: scapula spine, lateral 1/3 clavicle
Sternoclavicular joint
Sternum Medial clavicle Fibrocartilage Pec movements. Stable from ligaments
Acromioclavicular joint
Acromioclavicular ligament
Coricoclavicular ligament
Important in force transmission during a fall.
Subscapularis innervation
C5-7
Subscapular nerves
Subscapularis origin/insertation
Subscapular fossa
Lesser tubercle humerus
Subscapularis actions
Medially rotate arm and adduction
Teres major innervation
C6-C7
Lower subscapular nerve
Teres major origin/insertation
Lower angle scapula
Intertubercular humeral sulcus
Teres major actions
medially rotate arm
adduction
Axillary artery comes from
Subclavian artery
3 parts of axillary artery
anterior humeral circumflex artery **important to know
superior thoracic artery & thoraco-acromial artery
Where does axillary artery start/finish
lateral edge 1st rib
inferior border teres minor (then becomes brachial artery)
Waiter’s tip
Superior plexus injury
head separated from shoulder
Claw hand
Inferior plexus injury
Arm pulled superiorly
CN Foramen: Olfactory
Cribiform plate