Rhomboid Major & Minor, Trapezius og Latissimus Dorsi

Extension, medial rotation, adduction

Latissimus Dorsi Action

Bicipital groove of humerus

Latissimus Dorsi Insertion

Thoracodorsal (nerves)

Latissimus Dorsi Nerve

Thoracolumbar aponeurosis, lower 6 thoracic(t7-t12) spinous processes, sacrum, iliac crest, lower 3 to 4 ribs, inferior angle of scapula

Latissimus Dorsi Origin

Depression, upward rotation

Lower Trapezius Action

Root of spine (of scapula)

Lower Trapezius Insertion

Retraction (of scapula)

Middle Trapezius Action

Spine of scapula

Middle Trapezius Insertion

Vertebral border of scapula, from root of spine to inferior angle

Rhomboid major Insertion

Spinous processes of T2-T5

Rhomboid major Origin

Retraction, downward rotation (of scapula)

Rhomboid major og minor Action

Dorsal scapular nerve

Rhomboid major og minor Nerve

Root of spine (of scapula)

Rhomboid minor Insertion

Spinous processes of C7-T1

Rhomboid minor Origin

Elevation, upward rotation (of scapula)

Upper Trapezius Action

Lateral third of clavicle, acromion

Upper Trapezius Insertion

External occipital protuberance, ligamentum nuchae, c7-t12 spinous processes

Trapezius Origin

Accessory (nerve)

Trapezius Nerve