CHAPTER 10
The zygomaticus major muscle
contributes to laughing and smiling
The major movement produced during quiet breathing is accomplished by the _________
diaphragm
Contraction of the inferior rectus muscle directs the pupil to look _________
down
The _________blank of the back insert(s) on the ribs and vertebrae.
erector spinae
forearm
extensor carpi ulnaris flexor pollicis longus
Involuntary urination can be caused by incompetence of the _________blank.
external utheral
The adductor longus is named for its _________
function and size
Deborah is performing medial rotation of the hip and thigh as she follows along with an exercise video. Select all of the muscles she is using to perform this action.
gluteus maximus gluteus minimus tensor fasciae latae
A common site for injections is the _________
gluteus medius
An example of a movement from a class I lever system is _________
hyperextension of the head
The _________blank is part of the rotator cuff muscle group.
infraspinatus
Facial muscles are unusual in that they
insert and sometimes originate on skin and connective tissue
The _________blank contract(s) during forced expiration.
internal costal
Of the following muscles of the head, which one wraps around the orbits?
orbicularis oculi
The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the _________
origin
The brachioradialis is named for its _________
origin and insertion
The _________blank muscle of the chest has its insertion on the humerus.
pectoralis major
Muscles that have their fasciculi arranged like barbs of a feather along a common tendon are called _________
pennate
All of the following facial muscles elevate the upper lip, except _________blank
platysma
The orbicularis oris muscle
puckers the mouth for kissing
The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the _________blank.
rectus abdominis
When an intramuscular injection is given in the anterior aspect of the thigh, the injection is in the _________
rectus femoris
The muscle that is used to cross the legs is the _________ blank.
sartorius
The _________blank muscle rotates and protracts the scapula, and elevates the ribs.
serratus anterior
When you "pull your tummy in" and compress your abdomen, you use the rectus abdominis, external abdominal oblique, internal abdominal oblique, and transversus abdominis muscles. This is an example of muscles working as _________
synergist
A high school pitcher is told he strained his "rotator cuff." Therefore, he could have damaged any of the muscles listed below, except _________
teres major
n order for both eyes to direct their gaze to the right, which of the following muscles are used?(1) right lateral rectus(2) right medial rectus(3) left lateral rectus(4) left medial rectus
1 and 4
Check all that apply. Which of the following are actions of the lateral leg muscles?
Eversion Plantar flexion
Which muscle shape has muscle fibers that run the length of the muscle and taper at each end
Fusiform
Chad is standing and holding his right thigh and leg in front of his body during a yoga class. Which muscles are used to hold his thigh in this position? (Check all that apply.)
Iliopsoas Adductor longus Sartorius Rectus femoris
Which muscle group is involved when a "pulled groin" occurs?
Thigh adductors
In humans,
back muscles are strong to maintain erect posture
Supination of the forearm and hand is accomplished by the ________
biceps brachii and supinator
Of the following muscles of the thigh, the _________blank is on the posterior side.
biceps femoris
arm
brachialis cora brachii
Nodding the head is an example of movement across the atlanto-occipital joint and a _________blank lever system.
class I
In the body, movement of the mandible at the temporomandibular joint involves a _________blank lever system.
class II
In the body, the action of the biceps brachii muscle pulling on the radius to flex the elbow involves a _________blank lever system.
class three
The flexion of the elbow represents a _________
class three lever system
Match the muscles of the eye with the action they perform.
lateral rectus inferior rectus medial rectus
Out of all of the muscles that are involved in the production of facial expression, the _________
levator palpebrae superioris
The _________blank elevates the scapula.
levator scapulae
The _________blank is a back muscle that extends the head.
longissimus capitis
The _________blank is a muscle involved in chewing gum.
masseter
Muscles that elevate the jaw and close the mouth include the _________
masseter and medial ptergoid
A facial muscle that originates on the mandible is the _________blank.
mentalis
The extensor pollicis brevis moves the _________blank.
thumb
The _________blank is an abdominal wall muscle that inserts on the xiphoid process and the linea alba.
transversus abdominis
Which of the following muscles is named for its shape?
trapezius