Origin/Insertion Flashcards
O/I Latissimus Dorsi
O: T7-T12 Spinous Processes/Thoracolumbar aponeurosis
Posterior 1/3 of Iliac crest/Ribs 9-12/Inferior Angle of Scapula(?)
I: Bicipital (intertubercular) groove of humerus
O/I Trapezius
O: Upper: External Occipital Protuberance Ligamentum nuchae Middle: C7-T3 Spinous Processes Lower: T4-T12 Spinous Processes I: Upper: Lateral 1/3 of clavicle Middle: Spine of Scapula Lower: Root of spine of Scapula
O/I Rhomboids Major
O: T2-T5 Spinous Processes
I: Vertebral border of scapula from root of spine to inferior angle
O/I Rhomboids Minor
O: C7-T1 Spinous Processes
I: Root of spine of scapula
O/I Levator Scapulae
O: C1-C4 transverse processes
I: Vertebral border of scapula from superior angle to root of spine
O/I Infraspinatus
O: Infraspinous Fossa of Scapula
I: Greater Tubercle of Humerus (Middle facet)
O/I Supraspinatus
O: Supraspinous Fossa of Scapula
I: Greater Tubercle of Humerus (Superior facet)
O/I Teres Major
O: Inferior angle/Lower 1/3 of axillary border of scapula
I: Medial lip of bicipital (intertubercular) groove of humerus (inferior to subscapularis)
O/I Teres Minor
O: Upper 2/3 of axillary border of scapula
I: Greater Tubercle of Humerus (inferior facet)
O/I Subscapularis
O: Subscapular fossa of scapula
I: Lesser Tubercle of Humerus
O/I Deltoid
O: Anterior: Lateral 1/3 of clavicle
Middle: Acromion of scapula - lateral surface
Posterior: Spine of Scapula
I: Deltoid tuberosity of humerus
O/I Serratus Posterior Superior
O: C7-T3 Spinous Processes/ligamentum nuchae
I: Superior margin of ribs 2-5
O/I Serratus posterior inferior
O: T11-L3 Spinous Processes/Thoracolumbar Fascia
I: Ribs 8-12 - inferior border
O/I Serratus Anterior
O: Lateral surface of upper 8 ribs
I: Anterior surface of vertebral border of scapula
O/I Pectoralis Major
O: Clavicular head: medial half of clavicle
Sternocostal head: Sternum/Cartilages of ribs 1-6/External Oblique Aponeurosis
I: Lateral lip of bicipital (intertubercular) groove of humerus
