Muscles: Origins Flashcards
Masseter: Origin
Maxilla, zygomatic arch
Temporalis: Origin
Temporal bone
Orbicularis oculi: Origin
medial wall of orbit
Sternocleidomastoid: origin
Manubrium, clavicle
Rectus abdominis: Origin
Pubis, pubic symphysis
External oblique: Origin
Ribs
Internal oblique: Origin
Iliac crest, thoracolumbar fascia, inguinal ligament
Transverse abdominis: Origin
Iliac crest, lumbar fascia, rib cartilage
Trapezius: Origin
Occipital bone, cervical and thoracic vertebrae
Pectoralis major: Origin
Clavicle, sternum, costal (rib) cartilage
Serratus anterior: Origin
Ribs 1-8 or 9
Latissumus dorsi: Origin
Vertebral spines from T17 to the sacrum, iliac crest
Deltoid: Origin
Acromial end of clavicle, acromion, and spine of scapula
Biceps brachii: Origin
Tubercle superior to glenoid cavity and coracoid process of scapula
Triceps brachii: Origin
One location on the scapula,
two on humerus