Kinesiology and Biomechanics Lab Quiz 1

Trapezius Origin

Medial 1/3 of superior nuchal line and external occipital protuberance

Trapezius Origin

Ligamentum nuchae and spinous process of C7

Trapezius Origin

Tips of spinous processes of T1-T12

Trapezius Insertion

Lateral 1/3 of the clavicle

Trapezius Insertion

Acromion and crest of the scapula spine

Trapezius Insertion

Crest of scapula spine

Trapezius Action

Elevation of scapula

Trapezius Action

Adduction of the scapula

Trapezius Action

Upward rotation of the scapula

Trapezius Action

Retracts scapula

Trapezius Action

Hyperextension of the neck

Trapezius Innervation

Spinal accessory (XI)

Trapezius Innervation

Nerve, branches from C3, C4

Rhomboideus Minor Origin

Ligamentum nuchae and spinous process of C7, T1

Rhomboideus Minor Insertion

Vertebral/Medial border of the scapula at the root of the spine of the scapula

Rhomboideus Minor Action

Adduction, elevation, and downward rotation of the scapula

Rhomboideus Minor Innervation

Dorsal Scapular Nerve (C5)

Rhomboideus Major Origin

Upper thoracic spinous processes T2-T5

Rhomboideus Major Insertion

Vertebral/Medial border of the scapula inferior to the spine of the scapula

Rhomboideus Major Action

Adduction, elevation, and downward rotation of the scapula

Rhomboideus Major Innervation

Dorsal Scapular Nerve (C5)