Week #1 - SITS and RRLTSP muscles

Posterior view
Rhomboid Minor - Light blue

Attachments: SP of C7 to T1

Innervation: Dorsal Scapular nerve - C4 and C5

Actions: Elevation, retraction (adduction) and downward rotation of the scapula

Rhomboid Major - Turquoise

Attachments: SP of T2 to T5

Innervation: Dorsal Scapular Nerve - C4 and C5

Actions: Elevation, retraction (adduction) and downward rotation of the scapula

Levator Scapulae - Superior Green

Attachments: Superior angle of the scapula and TP of C1 to C4

Innervation: Dorsal Scapular Nerve C3 to C5

Actions: Elevation of the scapula, extension and lateral flexion of the neck

Supraspinatus - Brown

Attachments: supraspinous fossa and the greater tubercle of the humerus

Innervation: Suprascapular nerve - C5 and C6

Actions: Abduction and flexion of the Humerus

Infraspinatus - Fuschia

Attachments: Infraspinous fossa and the greater tubercle of the humerus

Innervation: Suprascapular Nerve - C5 and C6

Actions: Lateral rotation of the humerus

Teres Minor - Inferior Green

Attachments: Superior lateral border of the scapula

Innervation: Axillary Nerve - C5 and C6

Actions: Lateral rotation of the humerus

Anterior View

Pectoralis Minor

Attachments:Ribs 3, 4, 5 and Coracoid Process

Innervations: Medial and Lateral Pectoral Nerves C5 to T1

Actions: Depression, protraction and downward rotation of scapula elevation of ribs 3-5

Lateral View

Serratus Anterior

Attachments: Anterior medial border of the scapula and ribs 1-9 anterolaterally

Innervation: Long Thoracis Nerve - C5 to C7

Actions: Protration and upward rotation of the scapula
Posterior View

Subscapularis - Turquoise (drawn on posterior side - scapula has been ghosted/taken off)

Attachments: subscapular fossa (anterior) and lesser tubercle of humerus

Innervation: Upper/Lower Subscapular Nerves - C5 and C6

Actions: medial rotation of the humerus

Posterior View

Trapezius - Fuschia

Attachments: SP C7 to T12 (general area), EOP, Nuchal Ligament, lateral 1/3 of the clavicle, acromion process, and spine of the scapula

Innervation:Spinal Accessory Nerve C3 to C4

Actions: elevation/depression, retraction, upward/downward rotation of the scapula, extension, contralateral rotation and lateral flexion of head and neck