Upper Body (Full Information) Flashcards
Trapezius
O: Superior Nuchal Line, External Occipital protuberance, ligament nuchal and spinous processes C7-T12
I: Lateral 1/3 of clavicle, acromion, spine of scapula
N: Accessory (Cranial Nerve 11)
A: Upward rotation of lateral scapular border (upper & lower), scapular elevation (upper), scapular retraction (middle), scapular depression (lower)
Latissimus Dorsi
O: SP T7-12, Thoracolumbar Fascia, iliac crest, ribs 10-12
I: floor of the inter tubercular fossa (humerus)
N: Thoracodorsal Nerve (C6-C8)
A: Extends, adducts, internal rotation of humerus
Levator Scapulae
O: transverse process of C1-C4
I: upper portion medial border scapular border
N: anterior rami spinal nerves, dorsal scapular nerve (C5)
A: scapular elevation
Rhomboid Minor
O: lower portion of ligament nuchal, SP C7-T1
I: Medial border at the spine of scapula
N: Dorsal Scapular Nerve (C4-C5)
A: retracts and elevates scapula (downward rotation?)
Rhomboid Major
O: SP T2-T5
I: Medial border of scapular from scapulas spine inferior medial angle
N: Dorsal Scapular (C4-C5)
A: Retracts and elevates scapula, downward rotation of scapula
Pectoralis Major
O: CH- anterior surface medial 1/2 clavicle, SH- Anterior sternum, upper seven costal cartilages and aponeurosis of external oblique
I: Lateral lip of intertubercular sulcus (crest of greater tubercle)
N: Lateral & Medial Pectoral Nerves, Clavicular Head (C5-6) et Sternocostal (C6-T1)
Pectoralis Minor
O: Anterior Surface ribs 3-5
I: Coricoid Process
N: medial pectoral nerve (C7-8)
A: Protracts the scapula, stabilizes scapula pulling inferiorly and anteriorly
Serratus Anterior
O: External Surface of lateral surface ribs 1-8
I: anterior surface medial border of scapula
N: Long Thoracic Nerve (C5-C7)
A: Scapular Protraction, upward rotation, shoulder abduction, holds scapular against thoracic wall
subclavius
O: junction of rib 1 and its costal cartilage
I: Groove on inferior surface of middle 1/3 clavicle
N: subclavian Nerve (C5-C6)
A: depresses clavicle downward & forward
Deltoid
O: inferior edge scapular spine, lateral margin of acromion, anterior border lateral 1/3 of clavicle
supraspinatus
O: supraspinous fossa
I: superior facet great tubercle of humerus
N: suprascapular nerve
A: initial 15 degrees glenohumeral abduction
Infraspinatus
O: Infraspinous fossa
I: Middle facet greater tubercle
N: suprascapular (C5-C6)
A: External Rotation
Teres Minor
O: Upper 2/3 posterior lateral border of scapula
I: Inferior facet greater tubercle
N: posterior branche axillary nerve (C5-C6)
A: external rotation
Teres Major
O: posterior surface inferior lateral angle of scapula
I: medial li of intertuburcular sulcus
N: inferior sub scapular (C6-7)
A: internal rotation, adduction & extension of humerus
Subscapularis
O: Subscapular fossa
I: lesser tubercle (blends with joint capsule near insertion)
N: Upper & Lower subscapular nerves (C5-7)
A: Internal Rotations
