Shoulder, Scapular, Pectoral Region Flashcards
Innervation of pectoralis major
Lateral and medial pectoral nerves
Proximal attachment of pectoralis major
Medial 1/2 of clavicle; sternum; costal cartilage
Distal attachment of pectoralis major
Intertubercular sulcus of humerus
Innervation of pectoralis minor
Medial pectoral nerve
Proximal attachment of pectoralis minor
3rd-5th ribs near costal cartilage
Distal attachment of pectoralis minor
Medial border and superior surface of the coracoid process
Blood supply to pectoralis major
Pectoral branch of thoracoacromial trunk
Blood supply to pectoralis minor
Pectoral branch of thoracoacromial trunk
Innervation of subclavius
Nerve to subclavius
Proximal attachment of subclavius
1st rib
Distal attachment of subclavius
Middle 1/3 clavicle
Blood supply to subclavius
Clavicular branch of thoracoacromial trunk
Inneration of serratus anterior
Long thoracic nerve
Blood supply to serratus anterior
Lateral thoracic artery
Proximal attachment of serratus anterior
External surfaces of lateral parts of 1st-8th ribs
Distal attachment of serratus anterior
Anterior surface of medial border of scapula
Trapezius innervation
CN XI (spinal accessory)- motor C3,4- sensory
Trapezius blood supply
Superficial branch of transverse cervical artery
Proximal attachement of trapezius
Middle 1/3 Superior nuchal line, external occipital protuberance, nuchal ligament, spinous process of C7-T12
Distal attachment of trapezius
Lateral 1/3 clavicle; acromion and spine of scapula
Innervation of latissimus dorsi
Thoracodorsal nerve
Blood supply to latissimus dorsi
Thoracodorsal artery
Proximal attachment of latissimus dorsi
Spinous process T7-T12; iliac crest; thoracolumbar fascia; ribs 9-12
Distal attachment of latissimus dorsi
Floor of intertubercular sulcus of humerus
Levator scapulae innervation
Dorsal scapular nerve and cervical spinal nerves
Proximal attachment of levator scapulae
Posterior tubercles of transverse processes C1-C4
Distal attachment of levator scapulae
Superior angle and medial border of scapula
Blood supply to levator scapulae
Dorsal scapular artery
Innervation of rhomboid major
Dorsal scapular nerve
Proximal attachment of rhomboid major
Spinous processes of T2-T5
Distal attachment of rhomboid major
Medial border of scapula inferior to spine
Blood supply to rhomboid major
Dorsal scapular artery
Innervation of rhomboid minor
Dorsal scapular nerve
Blood supply to rhomboid minor
Dorsal scapular artery
Proximal attachment of rhomboid minor
Nuchal ligament; spinous processes C7-T1
Distal attachment of rhomboid minor
Medial border of scapula superior to spine
Innervation of deltoid
Axillary nerve
Proximal attachment of deltoid
Inferior region of scapular spine and acromion, lateral 1/3 of clavicle
Distal attachment of deltoid
Deltoid tuberosity in intertubucular sulcus of humerus
Innervation of teres major
Lower subscapular nerve
Proximal attachment of teres major
Posterior surface of inferior angle of scapula
Distal attachment of teres major
Medial lip of intertubercular sulcus of humerus
Blood supply to teres major
Thoracodorsal artery
Innervation of teres minor
Axillary nerve
Proximal attachment of teres minor
Lateral border of scapular (middle)
Distal attachment of teres minor
Inferior facet of grater tubercle of humerus
Blood supply to teres minor
Circumflex scapular artery
Supraspinatus innervation
Suprascapular nerve
Blood supply to supraspinatus
Suprascapular artery
Proximal attachment of supraspinatus
Supraspinous fossa of scapula
Distal attachment of supraspinatus
Superior facet of greater tubercle of humerus
Infraspinatus innervation
Suprascapular nerve
Blood supply to infraspinatus
Subscapular artery
Proximal attachment of infraspinatus
Infraspinous fossa of scapula
Distal attachment of infraspinatus
Middle facet of greater tubercle
Innervation of subscapularis
Superior and inferior subscapular nerves
Blood supply to subscapularis
Subscapular artery
Proximal attachment of subscapularis
Subscapular fossa of scapula
Distal attachment of subscapularis
Lesser tubercle of humerus