The Hard Shit Flashcards
1
Q
Frontalis
A
- A= Raises eyebrows
- O= Aponeurosis
- I= Skin of eyebrows
2
Q
Occipitalis
A
- A= Pulls scalp posteriorly
- O= Occipital bone
- I= Aponeurosis
3
Q
Mentalis
A
- A= Protrudes lower lip
- O= Anterior mandible
- I= Skin of chin
4
Q
Risorius
A
- A= Draws corner of lip laterally
- O= Fascia of masseter
- I= Skin at angle of mouth
5
Q
Buccinator
A
- A= Draws corners of lips laterally
- O= Molar region of mandible and maxilla
- I= Orbicularis oris
6
Q
Orbicularis oris
A
- A= Close lips
- O= Maxilla and mandible
- I= Skin of mouth
7
Q
Orbicularis oculi
A
- A= Close eyelids
- O= Frontal and maxillary bones
- I= Skin of eyelid
8
Q
Zygomaticus
A
- A= Elevates corners of mouth
- O= Zygomatic bone
- I= Skin and muscle at corners of mouth
9
Q
Depressor labii inferioris
A
- A= Draws corners of mouth down and laterally
- O= Body of mandible
- I= Skin and muscle of lower lip
10
Q
Temporalis
A
- A= Elevate and retract mandible
- O= Temporal fossa
- I= Coronoid process of mandible
11
Q
Masseter
A
- A= Elevate mandible
- O= Zygomatic arch and maxilla
- I= Angle and ramus of mandible
12
Q
Platysma
A
- A= Depress mandible
- O= Fascia of chest
- I= Lower margin of mandible, skin and muscle at corner of mouth
13
Q
Sternocleidomastoid
A
- A= Flex neck and rotate head
- O= Manubrium of sternum and clavicle
- I= Mastoid process of temporal bone
14
Q
Digastrics
A
- A= Elevate hyoid, open mouth, depress mandible
- O= Lower mandible and mastoid process
- I= Hyoid bone
15
Q
Scalenes
A
- A= Flex and rotate neck, elevate ribs
- O= Transverse process of cervical vertebrae
- I= Ribs 1 and 2
16
Q
Stylohyoid
A
- A= Elevates and retracts hyoid
- O= Styloid process of temporal bone
- I= Hyoid
17
Q
Mylohyoid
A
- A= Elevates hyoid bone during swallowing
- O= Medial mandible
- I= Hyoid bone
18
Q
Sternohyoid
A
- A= Depresses larynx
- O= Manubrium and clavicle
- I= Hyoid bone
19
Q
Levator scapulae
A
- A= Raises scapula
- O= Transverse processes of C1-C4
- I= Superior border of the scapula
20
Q
Pectoralis minor
A
- A= Elevates upper ribs
- O= Ribs 3-5
- I= Coracoid process
21
Q
External intercostals
A
- A= Elevate rib cage, aid in inspiration
- O= Inferior border of rib above
- I= Superior border of rib below
22
Q
Serratus anterior
A
- A= Move scapula forward, rotate scapula
- O= Ribs 1-8
- I= Medial border of scapula
23
Q
Internal intercostals
A
- A= Depress rib cage
- O= Superior border of rib below
- I= Inferior border of rib above
24
Q
Rectus abdominis
A
- A= Flex and rotate vertebral column
- O= Pubic crest and symphysis
- I= Xiphoid process, cartilage of ribs 5-7
25
Q
External oblique
A
- A= Flex and rotate vertebral column, trunk rotation, lateral flexion
- O= Ribs 5-12
- I= Pubic and iliac crests, linea alba
26
Q
Transversus abdominis
A
- A= Compress abdominal contents
- O= Cartilage of ribs 6-12, inguinal ligament, lumbar fascia
- I= Pubic crest, linea alba
27
Q
Internal oblique
A
- A= Flex and rotate vertebral column, trunk rotation, lateral flexion
- O= Iliac crest, inguinal ligament, lumbar fascia
- I= Cartilage of ribs 9-12, linea alba, pubic crest
28
Q
Trapezius
A
- A= Extend neck; raise, rotate, and adduct scapula
- O= Occipital bone, spinous processes of C7 and thoracic vertebrae
- I= Acromion and spine of scapula, lateral 3rd of clavicle
29
Q
Erector spinae
A
- A= Extend neck and vertebral column
- O= Iliac crest, transverse processes of C7-T12
- I= Occipital bone and spinous process of cervical vertebrae
30
Q
Latissimus dorsi
A
- A= Arm extension; adduct and rotate arm
- O= Spinous process of T6-L5, iliac crest
- I= Intertubercle sulcus of humerus
