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72 Cards in this Set
- Front
- Back
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Temporalis |
Action: Closes jaw |
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Masseter- Origin |
zygomatic arch and maxilla |
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Masseter- Insertion |
angle and ramus of mandible |
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Masseter |
Prime mover of jaw closure |
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Orbicularis Oris |
Closes Lips |
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Orbicularis Oculi |
Closes eyes |
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Sternocleidomastoid- origin |
sternum and medial portion of clavicle |
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Sternocleidomastoid- Insertion |
temporal bone & occipital bone (mastoid process of) temporal bone and (nuchal line of) occipital bone |
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Sternocleidomastoid |
Flexion of neck forward & rotate head toward shoulder on opposite side |
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Platysma |
Tenses skin of neck |
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Trapezius- origin |
occipital bone; ligamentum nuchae; spines of c7 and all of thoracic vertebrae |
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Trapezius- insertion |
Scapula & clavicle acromion and spinous process of scapula; lateral third of clavicle |
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Trapezius |
Raises, rotates, and retracts (abducts) scapula and stabilizes it |
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Deltoid |
prime mover of arm abduction (can also help with flexion, extension, and rotation of humerus |
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infraspinatus |
lateral rotation of humerus |
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lattismus dorsi- origin |
Lower 6 thoracic vertebrae, lumbar vertebrae, last 3-4 ribs, & iliac crest |
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lattismus dorsi- Insertion |
Humerus |
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lattismus dorsi |
prime mover of arm extension; adducts and medially rotates arm |
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pectoralis major- origin |
clavicle, sternum, cartilage of ribs 1-6, and (aponeurosis of) external oblique muscle |
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pectoralis major- insertion |
Sulcus of humerus (fibers converge to insert by short tendon into intertubercular sulcus of humerus) |
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pectoralis major |
prime mover of arm flexion; adducts and medially rotates arm |
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pectoralis minor |
draws scapula forward and inferiorly (with fixed ribs); draws rib cage superiorly (with scapula fixed) |
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serratus anteriorly |
prime mover to protract and hold scapula against chest wall; rotates scapula |
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external intercostal- origin |
inferior border of rib above |
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external intercostal- insertion |
superior border of rib below |
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external intercostal |
pull ribs toward one another to elevate rib cage; aid in inspiration |
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internal intercostal |
(origin & insertion are opposite of external) draws ribs together to depress rib cage; aid in forced expiration |
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rectus abdominis |
flexes and rotates vertebral column |
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external oblique |
compresses abdominal wall; trunk rotation & lateral flexion; flexes & rotates vertebral column |
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internal oblique |
compresses abdominal wall;trunk rotation & lateral flexion;flexes & rotates vertebral column |
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Biceps- Origin |
Short head: tip of coracoid process of scapula; Long head: supraglenoid tubercle of scapula |
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Biceps- Insertion |
Radial tuberosity |
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biceps |
flexion of elbow & supination of forearm |
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triceps- origin |
Long Head: glenoid cavity Lateral Head: posterior humerus Medial Head: distal radial groove on posterior humerus |
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triceps- insertion |
Olecranon of ulna
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triceps |
powerful forearm extensor |
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Flexor carpi radials- origin |
medial epicondyle of humerus |
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Flexor carpi radials- insertion |
base of metacarpals 2 & 3
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Flexor carpi radials |
powerful flexor of wrist; abducts hand |
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extensor carpi radialis- origin |
lateral -condyle of humerus
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extensor carpi radialis- insertion |
base of metacarpal 2 & 3
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extensor carpi radialis |
Extends and abducts wrist |
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extensor digitorum- origin |
later epicondyle of humerus |
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extensor digitorum- insertion |
distal phalanges of fingers 2-5 |
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extensor digitorum |
prime mover of finer extension |
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pronator teres |
(anterior) pronates forearm |
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supinator |
(posterior) acts with biceps brachii to supinate forearm |
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gluteus maximus- origin |
dorsal ilium, sacrum, and coccyx
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gluteus maximus- insertion |
gluteal tuberosity of femur and iliotibial tract
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gluteus maximus |
(posterior) powerful thigh extensor |
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gluteus minimus |
(posterior) abducts and medially rotates thigh |
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sartorius |
(anterior) flexes, abducts, and laterally rotates thigh; flexes knee |
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vastus intermedius |
(anterior) extends knee |
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vastus lateralis |
(anterior) extends & stabilizes knee |
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vastus medias |
(anterior) extends knee; (& stabilizes patella) |
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semitendinosus |
(posterior) extends thigh; flexes knee |
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semimembranosus |
(posterior) extends thigh; flexes knee |
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biceps femoris- orgin |
ischial tuberosity
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biceps femoris- insertion |
Primarily on fibular head |
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biceps femoris |
(posterior) extends thigh; flexes knee |
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rectus femoris- origin |
anterior inferior iliac spine & superior margin of acetabulum
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rectus femoris- insertion |
tibial tuberosity & patella
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rectus femoris |
(anterior) extends knee & flexes thigh at hip |
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tibialis anterior- origin |
lateral condyle & uper 2/3 of tibia
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tibialis anterior- insertion |
inferior surface of first cuneiform & metatarsal 1
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tibialis anterior |
(anterior) prime mover of dorsiflexion |
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extensor digitorum longus- origin |
lateral condyle of tibia;
proximal 3/4 of fibula |
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extensor digitorum longus- insertion |
inserts into middle and distal phalanges of toes 2-5
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extensor digitorum longus |
(anterior) prime mover of toe extension |
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gastronemius- origin |
medial & lateral condyles of femus
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gastronemius- insertion |
calcaneus via calcaneal tendon
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gastronemius |
(posterior) plantar flexes foot (when knee is extended) |
