Moore back and chest Flashcards
Trapezius origin
Medial 1/3 of the nuchal line, external occipital protuberance, nuchal ligament, spinous process C7-T12
Levator scapulae origin
Transverse processes C1-C4
Rhomboid minor origin
Nuchal ligament, spinous processes C7, T1
Rhomboid major origin
Spinous processes T2-T5
Latissimus dorsi origin
Iliac crest, spinous processes T7-T12, ribs 9-12, thoracolumbnar fascia
Serratus anterior origin
External lateral sides of rib 1-8
Teres major origin
Inferior lateral border of the scapula
Subscapularis origin
Subscapular fossa of scapula (anterior side)
Supraspinatus origin
Supraspinatus fossa of scapula
Infraspinatus origin
Infraspinatus fossa of scapula
Teres minor origin
Superior portion of lateral border of scapula
Pectoralis major origin
Clavicular head: anterior surface of medial 1/2 of the clavicle; sternal head: anterior surface of the stermnum, costal cartilages 1-6, external oblique aponeuosis
Pectoralis minor origin
Ribs 3-5 near costal cartilages
Subclavius origin
junction of costal cartilage of rib 1
Trapezius insertion
Lateral 1/3 of the clavicle, acromion and spine of scapula
Levator scapulae insertion
Medial border of superior angle of scapula
Rhomboid minor insertion
Triangular area of medial border of scapula at end of spine
Rhomboid major insertion
Medial border of the scapula inferior to the spine
Latissimus dorsi insertion
Floor of the intertubercluar groove of humerus
Serratus anterior insertion
Anterior medial border of scapula
Teres major insertion
Medial lip of intertubcular groove of humerus
Subscapularis insertion
Lesser tubercle of humerus
Supraspinatus insertion
Superior facet of greater tubercle of humerus
Infraspinatus insertion
Middle facet of greater tubercle of humerus
Teres minor insertion
Inferior facet of greater tubercle of humerus
Pectoralis major insertion
Lateral lip of intertubicular groove of humerus
Pectoralis minor insertion
Coracoid process of the scapula
Subclavius insertion
Middle 1/3 of inferior clavicle
Trapezius action
Descending head elevates scapula, ascending part depresses the scapula, middle part (or all 3) retract scapula, descending and ascending rotate glenoid cavity superiorly
Levator scapulae action
Medially elevates scapula and flexes cervical spine
Rhomboid minor action
Retracts, depresses, stabilizes and internally rotates scapula
Rhomboid major action
Retracts, depresses, stabilizes, and internally rotates the scapula
Latissimus dorsi action
Extension, internal rotation, and adduction of humerus
Serratus anterior action
Pulls the scapula against thoracic cage
Teres major action
Internal rotation, adduction, and extension of the arm
Subscapularis action
Internal rotation and holds humeral head in glenoid cavity SITS muscle
Supraspinatus action
Initiates abduction (first 15⁰) SITS muscle
Infraspinatus action
External rotation of humerus SITS muscle
Teres minor action
External rotation of humerus, SITS muscle
Pectoralis major action
Adduction, internal rotation of humerus, pulls scapula forward. Clavicular head alone flexes humerus, sternal head alone extended from flexed
Pectoralis minor action
Pulls scapula inferior and anterior to ribs cage
Subclavius action
Depresses and stabilizes clavicle
Trapezius innervation
Spinal accessory nerve (cranial nerve XI), pain and proprioceptive fibers from C3, C4
Levator scapulae innervation
Dorsal scapular nerve C5, upper part receive innervation from C3, C4
Rhomboid minor innervation
Dorsal scapular nerve C4, C5
Rhomboid major innervation
Dorsal scapular nerve C4, C5
Latissimus dorsi innervation
Thoracodorsal nerve C6 C7 C8
Serratus anterior innervation
Long thoracic nerve C5 C6 7
Teres major innervation
Lower subscapular nerve C5 C6
Subscapularis innervation
Upper and lower subscapular nerves C5 C6 C7
Supraspinatus innervation
Suprascapular nerve (C5 C6)
Infraspinatus innervation
Suprascapular nerve C5 C6
Teres minor innervation
Axilarry nerve C5 C6
Pectoralis major innervation
Lateral and medial pectoral nerve, clavicular head C5 C6, sternal head C7 C8 T1
Pectoralis minor innervation
Medial pectoral nerve C8 T1
Subclavius innervation
Nerve to subclavius C5 C6
Trapezius arterial supply
Transverse cervical artery
Levator scapulae arterial supply
Descending scapular artery
Rhomboid minor arterial supply
Descending scapular artery
Rhomboid major arterial supply
Descending scapular artery
Latissimus dorsi arterial supply
Descending scapular and subscapular artery according to donor lab resources. Everyone says thoracodorsal artery though
Serratus anterior arterial supply
Lateral thoracic artery
Teres major arterial supply
Circumflex scapular artery
Subscapularis arterial supply
Subscapular and lateral thoracic arteries
Supraspinatus arterial supply
Suprascaular artery
Infraspinatus arterial supply
Suprascapular and circumflex scapular artery
Teres minor arterial supply
Circumflex scapular artery
Pectoralis major arterial supply
Pectoral branch of throacoacromial artery, lateral thoracic
Pectoralis minor arterial supply
Pectoral branch of thoracoacromial artery, intercostal branches of internal thoracic, lateral thoracic
Subclavius arterial supply
Clavicular branch of thoracoacromial artery