OIN of Muscles (Origin, Insertion, Nerve) Flashcards
- occipitofrontalis (head & neck, facial expressions)
O. superior muchal line
I. galea aponeurotica
N. CN VII, facial nerve
- orbicularis oris (head & neck, kissing lips)
O. muscle fibers around MOUTH
I. mucous membrane of LIPS
N. CN VII, facial nerve
- buccinator (head & neck, cheeks - sucking & chewing)
O. lateral aspects of MAXILLA & MANDIBLE
I. orbicularis oris
N. CN VII, facial nerve
- platysma (head & neck, chin & neck - pouting, depression of mandible)
O. fasciae of DELTOID, PECTORALIS MAJOR muscles
I. MANDIBLE, skin of lower face, muscles at corners of MOUTH
N. CN VII, facial nerve
- temporalis (head & neck, chewing)
O. temporal lines
I. coronoid process of MANDIBLE
N. CN V, trigeminal nerve
- masseter (head & neck, chewing)
O. zygomatic arch
I. lateral aspect of MANDIBULAR ramus & angle
N. CN V, trigeminal nerve
- sternocleidomastoid (head & neck)
O. clavicle, manubrium of STERNUM
I. mastoid process of TEMPORAL BONE
N. CN XI, accessory nerve
- trapezius (head & neck, also posterior thoracic muscle)
O. external occipital protuberance, muchal ligament, spinous process of vertebrae C7-T12
I. clavicle, acromion & spine of SCAPULA
N. CN XI, accessory nerve
- diaphragm (thoracic & abdominal regions, powers breathing)
O. xiphoid process of STERNUM, ribs 10-12, costal cartilages 5-9, lumbar vertebrae
I. central tendon
N. phrenic nerve
- external intercostals & internal intercostals (thoracic & abdominal regions)
O. inferior margins of ribs 1-11
I. superior margins of ribs 2-12
N. intercostal nerves
- external abdominal oblique (abdominal region, superficial muscle that protects abdominal viscera)
O. ribs 5-12
I. xiphoid process of STERNUM, linea alba
N. intercostal nerves 8-12, iliohypogastric nerve, ilioinguinal nerve
- transversus abdominis (abdominal region, deep muscle that protects abdominal viscera)
O. inguinal ligament, iliac crest, thoracolumbar fascia
I. xiphoid process of STERNUM, linea alba, pubis, inguinal ligament
N. intercostal nerves 8-12, iliohypogastric nerve, ilioinguinal nerve
- rectus abdominis (abdominal region, protects abdominal viscera)
O. PUBIS
I. xiphoid process of STERNUM, costal cartilages 5-7
N. intercostal nerves 7-12
- pectoralis minor (anterior thoracic muscle that moves the scapula/shoulder)
O. ribs 3-5
I. coracoid process of SCAPULA
N. medial & lateral pectoral nerves
- serratus anterior (anterior thoracic muscle that moves the scapula/shoulder)
O. ribs 1-8 or 1-9 (varies)
I. medial border of SCAPULA
N. long thoracic nerve
- pectoralis major (thoracic region, axial muscle that moves the humerus)
O. clavicle, STERNUM, costal cartilages 1-6, aponeurosis of EXTERNAL ABDOMINAL OBLIQUE
I. intertubercular groove of HUMERUS
N. medial & lateral pectoral nerves
- latissimus dorsi (thoracic region, axial muscle that moves the humerus)
O. vertebrae T7-L5, ribs 9-12, thoracolumbar fascia, iliac crest, inferior angle of SCAPULA
I. intertubercular groove of HUMERUS
N. thoracodorsal nerve
- subscapularis (arms - rotator cuff, scapular muscle that moves the humerus, located in axilla)
O. subscapular fossa of SCAPULA
I. lesser tubercle of HUMERUS
N. SUBscapular nerve
- supraspinatus (arms - rotator cuff, scapular muscle that moves the humerus, located deep to trapezius)
O. supraspinous fossa of SCAPULA
I. greater tubercle of HUMERUS
N. SUPRAscapular nerve
- infraspinatus (arms - rotator cuff, scapular muscle that moves the humerus)
O. infraspinous fossa of SCAPULA
I. greater tubercle of HUMERUS
N. SUPRAscapular nerve
- teres minor (arms - rotator cuff, scapular muscle that moves the humerus)
O. lateral border of SCAPULA
I. greater tubercle of HUMERUS
N. axillary nerve