A&P 1 - Chapter 11 Questions
Compartments in the forearm contain muscles with similar ______.
actions at the wrist joint origins
Contraction of the medial muscles of the thigh results in ______.
adduction of the thigh lateral rotation of the thigh flexion of the thigh extension of the thigh
The pectoralis major is an ______ of the arm.
adductor
Which are muscles of the medial thigh compartment? Multiple select question. adductor longus
adductor longus pectineus adductor brevis obturator externus gracilis adductor magnus
The extensor digitorum longus is on the ______ side of the leg.
anterior
The pectoralis minor is one of the ______ thoracic muscles that move the pectoral girdle.
anterior
The muscles that move the pectoral girdle are classified as either ______.
anterior or posterior
Anatomically, muscles that move the pectoral girdle are classified as ______.
anterior or posterior thoracic
Compartments in the forearm ______.
are defined by partitions formed by deep fascia contain nerves and blood vessels of the forearm muscles contain functionally related muscles
Muscles that move the knee joint ______.
are separated into anatomical compartments by deep fascia within each compartment have similar actions on the knee joint
In general, muscles in the anterior compartment of the thigh tend to ______.
extend the leg at the knee joint flex the thigh at the hip joint
In general, muscles in the posterior compartment of the thigh tend to ______.
extend the thigh at the hip joint flex the leg at the knee joint
The hamstring group of muscles ______ the thigh and ______ the leg.
extend; flex
When any one or all of the posterior muscles of the hamstring group are contracted, the thigh is ______.
extended
Contraction of gluteal muscles results in ______.
extension of thigh
Which of the following summarizes the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi?
extension, adduction, medial rotation
Which of the following is/are functions of the intrinsic muscles of the foot?
flex and extend the toes support the arches abduct and adduct the toes
Extrinsic muscles of the wrist and hand ______.
flex or extend the thumb and fingers flex or extend the hand originate in the forearm
When the iliacus contracts, the thigh is ______.
flexed
When the psoas major contracts, the thigh is ______.
flexed
The anterior compartment of the forearm is the ______ compartment.
flexor
In addition to the compartments, muscles in two other groups move the hip joint/thigh, the ______.
gluteal group and deep muscles of the gluteal region
Which of the following are the muscles of the gluteal group of the posterior thigh?
gluteus maximus gluteus medius gluteus minimus
Which are the muscles of the anterior compartment of the thigh?
iliacus psoas major rectus femoris sartorius
Compartments of the thigh ______.
include blood vessels and nerves for a single compartment are anatomically defined by the fascia latae include muscles with similar actions
During inspiration, muscles of respiration ______.
increase the space of the thoracic cavity
The thoracic muscles increase the space of the thoracic cavity during ______.
inspiration
The abdominal wall muscles indicated by the letter B in the picture is the ______.
internal oblique muscle
The ______ muscles of the foot move the toes.
intrinsic
Which is a muscle of mastication?
masseter
Muscles of the _____________________compartment of the thigh adduct the thigh.
medial
The biceps femoris is on the ______ side of the thigh.
posterior
The semitendinosus is on the ______ side of the thigh.
posterior
The serratus anterior helps to stabilize the scapula against the ______ side of the rib cage.
posterior
Which of the following best describes the location of the latissimus dorsi?
posterior of body, inferior part of the back
The pectoralis minor is an example of a muscle that Blank______ the scapula.
protracts
In addition to its role in the compartmentalization of the thigh, the fasciae latae ______.
supports and binds the thigh muscles
The muscles of the anterior neck that are superior to the hyoid bone are called ______.
suprahyoid muscles
The muscle of mastication indicated by the letter A in the picture is the ______.
temporalis muscle
Which of the following are muscles that move the glenohumeral joint that originate on the scapula?
teres major triceps brachii biceps brachii deltoid coracobrachialis
Which muscle compresses the cheek against the teeth, as in chewing, when it contracts?
the buccinator muscle
Which of the following are considered muscles of mastication?
the masseter muscle the medial pterygoid muscle the temporalis muscle the lateral pterygoid muscle
The subclavius ______ the clavicle.
depresses
Contraction of the pectoralis minor ______.
depresses scapula, protracts scapula
The latissimus _________is a broad, triangular muscle located on the inferior part of the back.
dorsi
The suprahyoid muscles ______ the hyoid bone.
elevate
The muscles of the thenar and hypothenar group form fleshy masses, each called a(n) ______, a term given to a circumscribed area raised above the general level of the surrounding surface.
eminence
Most muscles in the forearm are called ______ muscles of the hand and wrist because these muscles arise from the forearm, not the wrist or hand.
excentric
The muscles of the anterior compartment of the thigh flex the thigh and ______ the knee.
extend
The ______ is formed by three layers of muscles and associated fasciae.
pelvic diaphragm
The neck muscle indicated by the letter B in the given diagram is the ______.
splenius capitis muscle
The serratus anterior ______.
stabilizes the scapula superiorly rotates the scapula
The neck muscle indicated by the letter A in the provided picture is the ______.
sternocleidomastoid muscle
The glenohumeral joint is crossed by ______ muscles.
11
In the figure, the long head of the biceps femoris is indicated by the letter ____________.
A
Using the figure of the anterior leg, match the letter with the muscle.
A ---> fibularis longus B ---> gastrocnemius C ---> extensor digitorum longus
Identify the muscles as indicated in the inferior views of the male and female superficial pelvic floor muscles. Item A . Item B . Item C .
A-bulbospongiosus B-ischiocavernosus C- levator ani
In the figure, the psoas major is indicated by the letter ______________.
B
In the figure, the semitendinosus is indicated by the letter
B
Which of the following muscles in the figure is the tibialis anterior?
B
In the figure, the iliacus is indicated by the letter ______________.
C
In the figure, the semimembranosus is indicated by the letter
C
Why is the forearm larger near the elbow than it is near the wrist?
The bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.
The tensor fasciae latae is a muscle in the lateral thigh compartment.
True
True or false: All anterior muscles that move the pectoral girdle are deep to other thoracic muscles.
True
True or false: The subclavius is inferior to the clavicle.
True
True or false: The temporalis is considered a muscle of mastication.
True
In the figure, the gluteus minimus is indicated by the letter
X
The term mastication refers to the process of ______.
chewing
The muscles of the abdominal wall indicated by the letter A in the picture is the ______.
external oblique muscle
True or false: The intrinsic muscles of the foot act primarily to evert and invert the foot.
false
The anterior muscles of the neck ______ the neck.
flex
Which correctly describes the location of the pectoralis minor?
it is deep to the pectoralis major
Which of the following best describes the location of the serratus anterior?
it is located between the anterior surface of the ribs and the anterior surface of the scapula
Unilateral contraction of the erector spinae muscles causes ______.
lateral flexion of the vertebral column
In addition to extending the thigh, the biceps femoris rotates the thigh _______________, whereas the semimembranosus and semitendinosus rotate the thigh ______________________.
laterally, medially
The ____________________dorsi is also called the "swimmer's muscle."
latissimus
The prime mover of the extension of the arm is the ______.
latissimus dorsi
Which is a prime mover of the glenohumeral joint?
latissimus dorsi
Which muscles move the glenohumeral joint and originate on the axial skeleton?
latissimus dorsi pectoralis major
The hypothenar group forms a small fleshy mass at the base of the ______.
little finger
The functions of the erector spinae muscles include ______.
maintenance of posture lateral flexion of vertebral column extension of vertebral column
Identify the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi.
medial rotation of the arm adduction of the arm extension of the arm
Identify the movements of the glenohumeral joint that occur with contraction of the pectoralis major.
medial rotation of the arm adduction of the arm flexion of the arm
The _________ major is the principal flexor of the arm.
pectoralis
The prime mover of the flexion of the arm is the ______.
pectoralis major
The ______ depresses the scapula.
pectoralis minor
The anterior thoracic muscle that protracts and depresses the scapula is the ______.
pectoralis minor
Which of the following are the deep muscles of the gluteal region?
quadratus femoris superior gemellus obturator internus inferior gemellus piriformis
The temporalis muscle ______ the mandible.
retracts
Contraction of the superficial muscles in the gluteal region results in Blank______.
rotation of the thigh abduction of the thigh
Which are the muscles of the posterior thigh, commonly referred to collectively as the "hamstrings?"
semimembranosus semitendinosus biceps femoris
The prime mover of scapular protraction is the ______.
serratus anterior
The muscles that protract the scapula are ______.
serratus anterior, pectoralis minor
Put in simple terms, the intrinsic muscles of the hand are classified anatomically as the group at the base of the thumb (the ______ group), those found at the base of the little finger (the ______ group), and everything in between (the ______ group).
thenar; hypothenar; midpalmar
Which muscles extend the forearm?
triceps brachii anconeus
