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24 Cards in this Set
- Front
- Back
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Epicranius Frontalis (Anterior) |
Orgin: Epicranial Aponeurosis Insertion: Skin of eyebrows, root of nose Action: Raises Eye Brows |
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Epicranius Occipitals (Posterior) |
Orgin: Occipital and Temporal Bones Insertion: Eppicranial Aponeurosis Action: Fixes aponeurosis and pulls scalp posteriorly |
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Obicularis Oris (Mouth) |
Orgin: Arises indirectly from maxilla and mandible: fibers blended with fibers of other muscles associated with lips. Insertion: Muscle and skin at angles of mouth; encircles mouth Action: Closes lip, kissing and whistling |
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Orbicularis Oculi (Eyes) |
Orgin: Frontal and maxillary bone and ligaments around the orbit Insertion: Tissue of eyelid; encircles orbit Action: Closes eye |
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Zygomaticus |
Orgin: Zygomatic bone Insertion: Skin and muscles at corner of mouth |
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Buccinator |
Orgin: Molar region of maxilla and mandible Insertion: Orbicularis Oris Action: Compresses cheek (whistling) |
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Platysma |
Orgin: Fascia of chest (over pectoral of muscle and deltoid) Insertion: Lower margin of mandible, skin, and muscles at corner of mouth Action: depreesses mandible and tenses skin of neck |
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Masseter |
Orgin: Zygomatic arch and maxilla Insertion: Angle and ramus of mandible Action: Jaw closure |
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Temporalis |
Origin: Temporal fassa Insertion: Coronoid process of mandible (that passes deep to zygomatic arch) Action: Closes Jaw - elevates mandible |
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Sternocleidomastoid |
Orgin: Manubrium of sternum and medial portion of clavical Insertion: Mastoid process (of temporal bone) and Superior nuchal like of occipital bone. Action: Flexes and laterally rotates the head |
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Abdominal Oblique - External (External Obliques) "Hands in pockets" |
Orgin: Anterior surface of the last 8 ribs Insertion: Linea alba through the aponeurosis, pubic crest and tubercle and iliac crest Action: Flex vertebral column and compress abdominal wall |
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Abdominal Oblique - Internal (Internal Obliques) "Fibers spread upward" |
Orgin: Lumbar fascia, iliac crust, and inguinal ligament Insertion: Linea alba, pubic crest, and costal margin/cartilage of last 3 ribs Action: Flex vertebral column and compress abdominal wall |
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Transversus Abdominis "Fibers run transversely" |
Orgin: Inginal ligament, iliac crust, cartilages of last 6 ribs, and lumbar fascia Insertion: Linea alba and pubic crest Action: Compresses abdominal contents |
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Rectus Abdominis "Fibers run sagitally" |
Orgin: Pubic crest and symphysis Insertion: Xiphoid process and costal cartilages of ribs 5-7 Action: Flex and rotate lumbar region of vertebral column |
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Pectineus |
Orgin: Pectineal lineof pubis (and superior pubic ramus) Insertion: Inferior from lesser trochanter to linea aspera of femur Action: Adducts, flexes and medially rotates thigh |
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Adductor Longus |
Origin: Pubis near pubic symphysis Insertion: Linea aspera Action: adduct and medially rotate and flex thigh |
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Deltoid |
Origin: Laterla third of Clavical; Acromion and Spine of Scapula Insertion: Deltoid Tuberosity of humerus Action: Prime mover of arm abduction |
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Biceps Brachii |
Origin: Short head: coracoid process; long head: supraglenoid tubercle and tip of glenoid cavity; tendon of long head runs in intertubercular sulus within capsule of shoulder joint Insertion: Radial Tuberosity (in Radius) Action: Flexes elbow joint and supinates forearm |
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Triceps Brachii |
Orgin: Long head: inferior margin of glenoid cavity; Lateral head: posterior humerus; Medial Head: distal radial grove on posterior humerus Insertion: Olecran process (in ulna) Action: Extensor of forearm (antagonist of Biceps brachii) |
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Brachialis |
Orgin: Distal portion of anterior humerus Insertion: Coronoid process of the Ulna Action: Forearm flexor |
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Antebrachial Region (anterior) |
Insertion: Lateral radius via common tendon Action: Pronates forearm |
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Supinator |
Insertion: Proximal end of radius Action: Assists biceps brachii to forcibly supinate forearm |
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Brachioradialis (great landmark to locate muscles of the forearm) |
Origin: Lateral ridge at distal en of humerus Insertion: Base of styloid process of the radius Action: Synergistic in forearm flexion |
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Extensor Carpi Radialis Longus |
Orgin: Lateral supracondyle ridge of humerus Insertion: Base of 2nd metacarple Action: Extends and abducts wrist (abducts your wrist) |
