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