Anatomy Flashcards
Trapezius Attachments
External occipital protuberance
Spinous processes of cervical and thoracic vertebrae into the lateral clavicle
Acromion process
Spine of the scapula.
Trapezius Actions
Elevates scapula
Adducts scapula
Depresses scapula
Upwardly rotates scapula
Upper trapezius extends and rotates the neck
Levator Scapula Attachments
Transverse processes of C1-4 vertebrae
Superior border of the scapula
Levator Scapula Actions
Elevates scapula
Laterally flexes neck
Extends neck
Rotates neck
Rhomboids Attachments
Spinous processes of C7-T5
Medial border of the scapula
Rhomboids Actions
Adducts scapula
Elevates scapula
Erector Spinae Attachments
Iliocostalis, longissimus, spinalis
Posterior sacrum
Iliac crest
Spinous processes of T11-L5
Ribs
Spinous/transverse processes of cervical and thoracic vertebrae
Mastoid process
Erector Spinae Actions
Iliocostalis, longissimus, spinalis
Extends spine
Laterally flexes spine
Rotates spine
Quadratus Lumborum Attachments
Posterior iliac crest
Bottom rib
transverse processes of lumbar vertebrae
Quadratus lumborum Actions
Laterally tilts pelvis
Laterally flexes back
Latissimus Dorsi Attachments
Inferior angle of scapula
Spinous processes of last 6 thoracic vertebrae
Iliac crest
Anterior aspect of humerus
Latissimus Dorsi Actions
Adducts shoulder
Extends shoulder
Medially rotates shoulder
Deltoid Attachments
Clavicle
Acromion
Spine of scapula
Deltoid tuberosity of the humerus
Deltoid Actions
Shoulder Abduction
Shoulder Flexion
Shoulder Rotation
Shoulder Extension
Teres Major Attachments
Inferior angle and lateral border of scapula
Anterior aspect of the humerus
Teres Major Actions
Medially rotates shoulder
Extends Shoulder
Adducts Shoulder
Teres Minor Attachments
Upper lateral border of the scapula
Posterior aspect of the humerus
Teres Minor Actions
Laterally rotates shoulder
Adducts Shoulder