Lab Exam Two: Muscles Flashcards
Cranium covered by […], the […] covers the forehead and […] covers the rear end.
occupitofrontalis; frontalis; occipitalis
Wink is done by:
orbicularis oculi
**encircles eye
Kiss is done by:
orbicularis oris
**encircles mouth
Chewing is done by the:
temporalis and masseter
What is the prime mover of neck flexion? Where does it being and end?
sternocleidomastoid
extends from upper sternum to behind the ear
Another neck muscle on the posterior side of the neck?
splenius capitis
What are the 3 layers of muscle that lie between the ribs?
- external intercostal (oblique 45)
- internal intercostal (oblique 135)
- innermost intercostal (parallel)
Muscles of anterior abdominal wall:
from superficial to deepest
- external abdominal oblique (downward and anteriorly)
- internal abdominal oblique
(upward and anteriorly) - transverse abdominal
(horizontal)
Anteriorly a pair of vertical […] extend from sternum to pubis (six pack).
rectus abdominis muscles
Two other parts of the abdominal wall besides the rectus abdominis muscles:
- linea alba
2. inguinal ligament
Anterior muscles of the pectoral girdle:
- pectoralis minor
2. serratus anterior
Posterior muscles of the pectoral girdle:
- trapezius (superficial)
DEEP
- levator scapulae
- rhomboideus minor
- rhomboideus major
Axial muscles acting on the arm:
- pectoralis major
2. latissimus dorsi
Muscle acting on the arm:
- deltoid (caps shoulder)
2. rotator cuff muscles
Commonly used site of drug injections:
deltoid
What muscles belong to the rotator cuff?
- supraspinatus
- infraspinatus
- teres minor
- subscapularis
Muscles with bellies in the arm:
brachium