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91 Cards in this Set

  • Front
  • Back
Buccinator
mouth
aids in chewing, sucking, compresses cheek
origin: maxilla & mandible
insertion: orbicularis oris
Depressor labii inferioris
origin: mandible
insertion: skin of lower lip
depresses lower lip
Levator labii superioris
origin: inferior margin of orbit
insertion: orbicularis orbis
elevates upper lip
Mentalis
origin: mandible
insertion: skin of mandible
elevates and protrudes lower lip
Orbicularis oris
origin: maxilla and mandible
insertion: lips
compresses, purses lips
Risorius
origin: mandible
insertion: mandible
draws corner of mouth to the side
Depressor anguli oris
origin: mandible
insertion: mandible
depresses corner of mouth
Zygomaticus major
origin: zygomatic bone
insertion: mandible
retracts and elevates corner of mouth
Zygomaticus minor
origin: zygomatic bone
insertion: maxilla
retracts and elevates upper lip
Orbicularis oculi
origin: medial orbit
insertion: skin around eyelids
closes eye
Procerus
Origin: nasal bones
Insertion: bridge of nose and frontal
Action: moves nose, shape of nostrils
Nasalis
O: maxilla
I: nasal bones
A: compresses bridge; depresses tip of nose
Occipitofrontalis
frontal belly
O:occipital
I: frontal
A: raises eyebrows, wrinkles forehead
Occipitofrontalis
Occiptial belly
O: occipital
I: frontal
A: tenses and retracts scalp
Platysma
O: thorax
I: mandible
A: tenses skin of neck, depresses mandible
Inferior rectus
O: Sphenoid
I: medial surface of eyeball
A: eye looks down
Medial rectus
O: Sphenoid
I: medial surface of eyeball
A: eye looks medially
Superior rectus
O: Sphenoid
I: superior surface of eyeball
A: eye looks up
Lateral rectus
O: Sphenoid
I: Lateral suface of eyeball
A: eye looks laterally
Inferior oblique
O: maxilla
I: inferior, lateral surface of eyeball
A: eye rolls, looks up and lateral
Superior oblique
O: Sphenoid
I: superior, lateral suface of eyeball
A: eye rolls, looks down and lateral
Masseter
O: Zygomatic
I: Mandible
A: elevates mandible, closes jaw
Temporalis
O: Temporal
I: Mandible
A: elevates mandible, closes jaw
Medial pterygoid
O: Sphenoid, maxilla, palatine
I: mandible
A: mandible elevates, side to side, closes jaw
Lateral pterygoid
O: Sphenoid
I: Mandible
A: opens jaw, protrudes mandible and moves side to side
Digastric
O: Mandible and Temporal
I: Hyoid bone
A: depresses mandible, opens mouth, elevates larynx
Geniohyoid
O: Mandible
I: Hyoid bone
A: depresses mandible, opens mouth, elevates larynx, retracts hyoid bone
Mylohyoid
O: Mandible
I: C. tissue running to hyoid
A: elevates floor of mouth, elevates hyoid bone, &/or depresses mandible
Omohyoid
O: Scapula
I: hyoid bone
A: depresses hyoid and larynx
Sternohyoid
O: clavicle and sternum
I: Hyoid bone
A: depresses hyoid and larynx
Sternothyroid
O: Sternum and ribs
I: Thyroid cartilage of larynx
A: depresses hyoid bone and larynx
Thyrohyoid
O: thyroid cartilage of larynx
I: hyoid bone
A: elevates larynx, depresses hyoid bone
Sternocleidomastoid
O: clavicle and sternum
I: occipital, temporal
A: both: flex neck; one side: bends neck toward shoulder and tuns face to opposite side
Splenius capitis
O:cervical and thoracic vertebrae
I: occipital bone, temporal, cervical vertebrae
A: both sides: extend neck; alone: roates and laterally flexes neck to that side
Erector spinae-
spinalis cervicis
O: Cervical
I: Axis
A: extends neck
Erector spinae-
spinalis thoracis
O: thoracic and lumbar vertebrae
I: thoracic vertebrae
A: extends vertebral column
Erector spinae-
Longissimus capitis
O: cervial and thoracic vertebrae
I: temporal
A:
Longissimus cervicis
O: thoracic vertebrae
I: cervical vertebrae
A: 2 sides together extend neck; alone, moves to side and laterally
Longissimus thoracis
O: thoracid and lumbar
I: thoracic and lumbar
A: extention of vertebral column; alone, lateral flexion to that side
Illiocostalis cervicis
O: angle of ribs
I: cervical vertebrae
A: extends or laterally flexes neck, elevates ribs
Iliocostalis thoracis
O: ribs
I: ribs and cervical vert.
A: stabilizes thoracic vertebrae in extension
Iliocostalis lumborum
O: iliac crest, sacral crest, lumbar vert.
I: ribs
A: extends vert. column and depresses ribs
Scalenes (anterior, middle and posterior)
O: cervical vertebrae
I: first 2 ribs
A: elevate ribs and/or flex neck; one side bends neck and rotates head and neck to opposite side
External intercostals
O: inferior border of ribs
I: superior order or more inferior rib
A: elevates ribs
Internal intercostals
O: sup. border of each rib
I: inferior border of the more superior rib
A: depress ribs
Transversus thoracis
O: sternum
I: cartilage of ribs
A: depresses ribs
External oblique
O: ext. and inf. border of ribs
I: aponeuroses, linea alba and iliac crest
A: compresses abdomen; depresses ribs, flexes, laterally flexes or rates vert column to opp side
Intenal oblique
O: ribs, costal cartilages, I: linea alba and pubis
A: compresses abdomen, depresses ribs; flexes, laterally flexes or rotates vert. column to same side
Transversus abdominus
O: cartilage of ribs, iliac crest, thoracolumbar fascia
I: linea alba nad pubis
A: compresses abdomen
Rectus abdominus
O: pubis
I: cartilage of ribs, sternum
Diaphragm
O: sternum, ribs, lumbar vert.
I: central tendinous sheet
A: contraction expands thoracic cav. and compresses abdominopelvic cavity
Bulbospongiosus - male
O: base of penis, fibers cross over urethra
I: perineum
A: compresses base, stiffens penis, ejects urine or semen
Bulbospongiosus - female
O: base of clitoris, fibers run on either side of urethral and vaginal openings
I: perineum
A: compresses and stiffens clitoris, narrows vaginal opening
Ischiocavernosus
O: ischium
I: pubis anterior to base of penis or clitoris
A: compresses and stiffens penis or clitoris, maintains erection
Coccygeus
O: ischial spine
I: sacrum and coccyx
A: flexes coccygeal joins; elevates and supports pelvic floor
Levator ani - Iliococcygeus
O: iscial spine, pubis
I: coccyx and median raphe
A: tenses floor of pelvis, supports pelvic organs, flexes coccygeal joints, elevates and retracts anus
Levator ani - Pubococcygeus
O: pubis
I: coccyx and median raphe
A: tenses floor of pelvis, supports pelvic organs, flexes coccygeal joints, elevates and retracts anus
External anal sphincter
O: tendon from coccyx
I: encircles anal opening
A: closes anal opening
Trapezius
O: occipital, thoracic vert.
I: clavicle and scapula
A: depends on other muscles; may elevate, retract, depress or rotate scapula upward and /or clavicle; can extend neck
Serratus anterior
O: ribs
I: scapula
A: protracts shoulder, rotates scapula so glenoid cavity moves superiorly
Rhomboid major
O: sup. thoracic vertebrae
I: scapula
A: adducts and performs downward rotation of scapula
Rhomboid minor
O: vert. C7-T1
I: scapula
A: adducts and performs downward rotation of scapula
Subclavius
O: first rib
I: clavicle
A: depresses and protracts shoulder
Pectoralis minor
O: ribs
I: scapula
A: depresses and protracts shoulder; rotates scapula so glenoid cavity moves inferiorly, elevates ribs if scapula stationary
Deltoid
O: clavicle and scapula
I: humerus
A: whole: abduction of shoulder; anterior: flexion an dmedial rotation of humerus; posterior: extension and lateral rotation of humerus
Supraspinatus
O: scapula
I: humerus
A: abduction at shoulder
Subscapularis
O: scapula
I: humerus
A: medial rotation at shoulder
Teres major
O: scapula
I: humerus
A: extension, adduction and medial rotation at shoulder
Infraspinatus
O: scapula
I: humerus
A: lateral rotation at shoulder
Teres minor
O: scapula
I: humerus
A: lateral rotation at shoulder
Coracobrachialis
O: scapula
I: humerus
A: adduction and flexion at shoulder
Pectoralis major
O: cart. of ribs, sternum, clavicle
I: humerus
A: flexion, adduction and medial rotation at shoulder
Latissimus dorsi
O: thoracic and lumbar vert and thoracolumbar faschia
I: humerus
A: extension, adduction and medial rotation at shoulder
Triceps brachii - long head
O: scapula
I: ulna
A: extension at elbow, extension and adduction at shoulder
Triceps brachii - short (lateral) head
O: humerus
I: ulna
A: extension at elbow
Biceps brachii
O: scapula
I: radius
A: flexion at elbow and shoulder, supination
Brachialis
O: humerus
I: ulna
A: flexion at elbow
Brachioradialis
O: humerus
I: radius
A: flexion at elbow
Pronator teres (Loc: medial)
O: humerus and ulna
I: radius
A: pronates forearm and hand by medial rotation of radius at radioulnar joints; flexion at elbow
Supinator (Loc: lateral)
O: humerus and ulna
I: radius
A: supinates forearm and hand by lateral rotation of radius
Flexor carpi radialis
O: medial epicondyle of humerus
I: bases of 2 and 3 metacarpals
A: flexion and abduction at wrists
Palmaris longus
O: medial epicondyle of humerus
I: palmar aponeurosis and flexor retinaculum
A: flexion at wrists
Flexor carpi ulnaris
O: medial epicondyl of humerus and antmed. of ulna
I: pisisform, hamate, 5th metacarpal
O: flexion and adduction at wrist
Extensor carpi radialis longus
O: lateral supracondylar ridge of humerus
I: 2nd metacarpal
A: extension and abduction at wrist
Extensor carpi radialis brevis
O: lateral epicondyle of humerus
I: base of 3rd metacarpal
A: extension and abduction at wrist
Extensor carpi ulnaris
O: lateral epicondyle of humerus; dorsal surface of ulna
I: base of 5th metacarpal
A: extension and adduction at wrist
Flexor digitorium superficialis
o: medial epicondyle of humerus; surfaces of radius and ulna
I: middle phalanges 2-5
A: flexion at proximal interphalangeal, metacarpophalangeal and wrist joints
Flexor polliculus longus
O: ant. shaft of radius
I: base of distal thumb
A: flexion at joints of thumb
Extensor digitorium
O: lateral epicondyle of humerus
I: post. surfaces of phalanges 1-5
A: extension at finger joints and wrist
Extensor polliculus brevis
O: shaft of radius distal to origin of adductor pollicis longus
I: base of proximal thumb
A: extensio at joints of thumb; abd. at wrist
Extensor plliculus longus
O: posterior and lateral sufaces of ulna
I: base of distal thumb
A: extenion at joints of thumb; abd of wrist