Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Temporalis
|
Origin: Temporal lines
Action: Elevate and retract mandible Insertion: Coronoid process of mandible |
|
|
Masseter
|
Origin: Zygomatic Arch
Action: Elevate mandible Insertion: Mandibular ramus |
|
|
Orbicularis oculi
|
Origin: Medial wall of orbit
Action: close eye; help with tear flow Insertion: eyelid |
|
|
Orbicularis oris
|
Origin: Muscles around the mouth
Action: Move lips Insertion: Mucous membranes of lips |
|
|
Platysma
|
Origin: Fascia of deltoid and pectoralis muscles
Action: Depress mandible; open and widen mouth; tense skin of the neck Insertion: Mandible; skin of lower face; corners of mouth |
|
|
External intercostals
|
Origin: Inferior border of rib above
Action: Elevate rib cage by pulling ribs together to aid in inspiration Insertion: Superior border of rib below |
|
|
Internal intercostals
|
Origin: Superior border of rib above
Action: Draws ribs together and depresses the rib cage to aid expiration Insertion: Inferior border of rib below |
|
|
Rectus abdominus
|
Origin: Pubic crest and symphysis
Action: Flex, rotate lumbar region of vertebral column; Compress the abdomen Insertion: Xiphoid process and costal cartilage of ribs 5-7 |
|
|
External obliques
|
Origin: Outer inferior strip of lower 8 ribs
Action: Flex vertebral column; compress abdominal wall; aid in trunk rotation Insertion: iliac crest; linea alba |
|
|
Internal obliques
|
Origin: Lumbar fascia; iliac crest
Action: Flex vertebral column; compress abdominal wall; aid in trunk rotation Insertion: Cartilage of last 3-4 ribs; linea albea; pubic crest |
|
|
Transversus abdominus
|
Origin: Inguinal ligament; lumbar fascia; iliac crest; cartilage of inferior six ribs
Action: Compress abdomen Insertion: linea alba and pubic crest |
|
|
Linea alba
|
|
|
|
Sternocleidomastoid
|
Origin: Clavicle and manubrium of sternum
Action: Draw head forward and down; turn head to ipsilateral side when one fires Insertion: mastoid process |
|
|
Digastric
|
Origin: Mastoid notch and mandible
Action: Retract mandible; elevate/flex hyoid Insertion: Hyoid bone |
|
|
Stylohyoid
|
Origin: Styloid process
Action: Elevate hyoid Insertion: Hyoid |
|
|
Mylohyoid
|
Origin: Mandible
Action: Elevate hyoid; Forms floor of the mouth Insertion: Hyoid |
|
|
Sternothyroid
|
Origin: Manubrium and costal cartilage
Action: Depress larynx and fix hyoid Insertion: Thyroid cartilage |
|
|
Omohyoid
|
Origin: Superior border of scapula
Action: Depress hyoid; fix hyoid Insertion: Hyoid |
|
|
Thyrohyoid
|
Origin: Thyroid cartilage of larynx
Action: Depress hyoid; fix hyoid; elevate larynx Insertion: hyoid |
|
|
Pectoralis major
|
Origin: Sternal end of clavicle, sternum, Cartilage of ribs 1-6
Action: arm flexion, rotates arm medially, adducts arm against resistance Insertion: Tendon into intertubercular groove of humerus |
|
|
latissimus dorsi
|
Origin: Spines of lower 6 thoracic vertebrae, lumbar vertebrae, lower 3-4 ribs, iliac crest
Action: Main extender of arm Insertion: intertubercular groove of humerus |
|
|
Teres major
|
|
|
|
trapezius
|
Origin: occipital bone; spines C7 and T1-T12
Action: Stabilize, raise, retract, rotate scapula and shoulder Insertion: Along acromion and spine of scapula and lateral third of clavicle |
|
|
Serratus anterior
|
Origin: Ribs 1-8
Action: Brings scapula against chest wall; raises shoulder; abducts and raises arm Insertion: Anterior surface of vertebral border of scapula |
|
|
Pectoralis minor
|
Origin: Anterior surfaces of ribs 3-5
Action: Pulls scapula forward and down; lifts rib cage superiorly Insertion: Coracoid process of scapula |
