human anatomy and physiology chapter 11
When the triceps brachii extends the elbow, its action is considered to be that of which of the following? synergist antagonist agonist
agonist
During inspiration, muscles of respiration ______. decrease the space of the thoracic cavity increase the space of the thoracic cavity
increase the space of the thoracic cavity
Muscles of the medial compartment of the thigh ______ the thigh. abduct adduct
adduct
Identify the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi. abduction of the arm lateral rotation of the arm adduction of the arm medial rotation of the arm extension of the arm flexion of the arm
adduction of the arm medial rotation of the arm extension of the arm
The pectoralis major is an ______ of the arm. abductor adductor
adductor
Skeletal muscles are grouped according to their primary actions into which of the following three types? pennate agonists synergists antagonists convergent
agonists synergists antangonists
The pectoralis minor is one of the ______ thoracic muscles that move the pectoral girdle. lateral anterior posterior
anterior
The pectoralis minor muscle is a(n) ______ thoracic muscle. anterior posterior
anterior
The serratus anterior is a(n) ______ thoracic wall muscle. posterior anterior
anterior
During exhalation, muscles of respiration ______. decrease the space of the thoracic cavity increase the space of the thoracic cavity
decrease the space of the thoracic cavity
The pectoralis minor muscle is ______ to the pectoralis major muscle. deep superficial
deep
Contraction of the pectoralis minor ______. elevates the scapula retracts the scapula depresses the scapula protracts the scapula
depresses the scapula protracts the scapula
When an appendicular muscle is contracting, the less moveable muscle attachment is usually the ______ attachment. distal proximal
distal
The latissimus ______ is a broad, triangular muscle located on the inferior part of the back.
dorsi
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. extrinsic intrinsic
extrinsic
Posterior compartment thigh muscles ______ the knee. extend flex
flex
The anterior muscles of the neck ______ the neck. flex extend
flex
When the iliacus contracts, the thigh is ______. flexed rotated laterally extended rotated medially
flexed
When the psoas major contracts, the thigh is ______. rotated laterally adducted flexed extended abducted rotated medially
flexed
The muscles in the ______ compartment of the arm flexes the arm at the elbow. extends flexes
flexes
Contraction of the long head of the biceps brachii results in a single type of movement of the glenohumeral joint: What type of movement is this? flexion of the arm medial rotation of the arm lateral rotation of the arm adduction of the arm extension of the arm abduction of the arm
flexion of the arm
Identify the movements of the glenohumeral joint that occur with contraction of the pectoralis major. flexion of the arm medial rotation of the arm adduction of the arm abduction of the arm lateral rotation of the arm
flexion of the arm medial rotation of the arm adduction of the arm
Which best summarizes the movements of the glenohumeral joint that occur with contraction of the deltoid? flexion, adduction, medial rotation, and lateral rotation flexion, abduction, medial rotation, and lateral rotation extension, adduction, medial rotation, and lateral rotation
flexion, abduction, medial rotation, and lateral rotation
Which of the following best summarizes the movements of the glenohumeral joint that occur when the pectoralis major contracts? extension, adduction, medial rotation flexion, adduction, medial rotation flexion, abduction, medial rotation extension, abduction, lateral rotation
flexion, adduction, medial rotation
The anterior compartment of the forearm is the ______ compartment. flexor extensor
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 flexor/adductor group and extensor/abductor group gluteal group and abductor/adductor group rotator group and abductor/adductor group
gluteal group and deep muscles of the gluteal region
Which of the following are the muscles of the gluteal group of the posterior thigh? tensor fasciae latae piriformis gluteus minimus gluteus medius gluteus maximus
gluteus minimus gluteus medius gluteus maximus
The thoracic muscles increase the space of the thoracic cavity during ______. expiration inspiration
inspiration
Which of the following is considered a circular muscle? biceps brachii deltoid rectus abdominis orbicularis oris
orbicularis oris
Extrinsic muscles of the wrist and hand ______. originate in the forearm flex or extend the thumb and fingers flex or extend the hand medially or laterally rotate the forearm
originate in the forearm flex or extend the thumb and fingers flex or extend the hand
The _______ major is the principal flexor of the arm.
pectoralis
The prime mover of the flexion of the arm is the ______. anterior fibers of the deltoid latissimus dorsi pectoralis major long head of the biceps brachii
pectoralis major
The ______ depresses the scapula. rhomboid major levator scapulae pectoralis minor latissimus dorsi
pectoralis minor
The anterior thoracic muscle that protracts and depresses the scapula is the ______. serratus anterior subclavius trapezius pectoralis minor
pectoralis minor
The "hamstrings" are muscles of the ______ compartment of the thigh. anterior posterior
posterior
The levator scapulae is a(n) ______ thoracic muscle. anterior posterior
posterior
The levator scapulae is a(n) ______ thoracic muscle. posterior anterior
posterior
The serratus anterior helps to the scapula against the ______ side of the rib cage. anterior posterior
posterior
The pectoralis major is an example of a muscle that ______ the scapula. protracts retracts
protracts
Which are the muscles of the anterior compartment of the thigh? psoas major gracilis rectus femoris sartorius iliacus
psoas major rectus femoris sartorius iliacus
What are some terms used in naming muscles according to orientation of fascicles? rectus oblique longus teres
rectus oblique
Which of the following are posterior thoracic muscles that move the pectoral girdle? rhomboid minor rhomboid major levator scapulae trapezius deltoid
rhomboid minor rhomboid major levator scapulae trapezius
Contraction of the deep muscles of the gluteal region results in ______. adduction of the thigh extension of the thigh rotation of the thigh abduction of the foot
rotation of the thigh
Contraction of anterior muscles of the thigh results in ______. abduction of the thigh flexion of the thigh rotation of the thigh adduction of the thigh
rotation of the thigh flexion of the thigh
Which are the muscles of the anterior compartment of the thigh? sartorius psoas major rectus femoris iliacus gracilis
sartorius psoas major rectus femoris iliacus
Which are the muscles of the posterior thigh, commonly referred to collectively as the "hamstrings?" semimembranosus semitendinosus biceps femoris sartorius
semimembranosus semitendinosus biceps femoris
The prime mover of scapular protraction is the ______. serratus anterior pectoralis minor trapezius subclavius
serratus anterior
A circular muscle is also called a(n) ______. aponeurosis raphe feather sphincter
sphincter
Usually during axial muscle contraction, the more moveable muscle attachment, the ______ attachment is pulled toward the less moveable muscle attachment. superior inferior
superior
The serratus anterior ______. inferiorly rotates the scapula elevates the scapula superiorly rotates the scapula stabilizes the scapula
superiorly rotates the scapula stabilizes the scapula
Which muscle of the posterior forearm compartment perform(s) a function unlike that of all the others? supinator abductor pollicis brevis extensor indicis extensor digitorum
supinator
In addition to its role in the compartmentalization of the thigh, the fasciae latae ______. Multiple choice question. serves as a point of origin for thigh muscles supports and binds the thigh muscles prevents deposition of adipose between muscles serves as a point of insertion for thigh muscles
supports and binds the thigh muscles
With regard to extension of the arm, the latissimus dorsi is an agonist; with regard to adducting and medially rotating the arm, this muscle is a(n) _______
synergist
The temporalis muscle ______ the mandible. retracts protracts
retracts
The tensor fasciae latae is a muscle in the lateral thigh compartment. true false
true
Which is a muscle of mastication? sternocleidomastoid orbicularis oris masseter
masseter
The process of chewing is called ______
mastication
Contraction of the lateral muscle of the thigh results in ______. medial rotation of the thigh adduction of the thigh abduction of the thigh extension of the thigh lateral rotation of the thigh
medial rotation of the thigh abduction of the thigh
Which are muscles of the medial thigh compartment? obturator externus gracilis biceps femoris pectineus adductor magnus adductor longus adductor brevis
obturator externus gracilis pectineus adductor magnus adductor longus adductor brevis
The glenohumeral joint is crossed by ______ muscles. 21 11 5 2
11
Why is the forearm larger near the elbow than it is near the wrist? The tendons near the elbow are round, whereas the tendons near the elbow are aponeuroses or retinacula. The articulation of the humerus, radius and ulna take up more space than the bones of 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 bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.
Which of the following best describes the location of the pectoralis major? posterior of body, inferior region of back anterior of body, covers superior portion of thorax fibers in anterior and posterior of body anterior of body, deep to pectoralis minor
anterior of body, covers superior portion of thorax
The muscles that move the pectoral girdle are classified as either ______. superior or inferior proximal or distal anterior or posterior
anterior or posterior
Anatomically, muscles that move the pectoral girdle are classified as ______. increasing or decreasing the range of motion of the arm superficial or deep attaching to the skull or vertebrae anterior or posterior thoracic
anterior or posterior thoracic
Which of the following identifies the compartments of the thigh? gluteal, hamstring, adductor, abductor anterior, posterior, rotator, abductor, adductor anterior, posterior, lateral, medial flexor, extensor, rotator, abductor, adductor
anterior, posterior, lateral, medial
The orbicularis oris muscle is named for its ______. action and body location arrangement of muscle fascicles and body location size and shape
arrangement of muscle fascicles and body location
Which muscles flex the forearm? triceps brachii brachioradialis brachialis biceps brachii
brachioradialis brachialis biceps brachii
The term mastication refers to the process of ______. swallowing kissing chewing running
chewing
The buccinator muscle ______. moves the mandible compresses the cheek moves the tongue
compresses the cheek
Compartments in the forearm ______. contain nerves and blood vessels of the forearm muscles contain functionally related muscles are continuous with those of the arm are defined by partitions formed by deep fascia
contain nerves and blood vessels of the forearm muscles contain functionally related muscles are defined by partitions formed by deep fascia
When your shoulders are hunched forward, the pectoralis muscle is ______. contracting relaxing
contracting
The posterior compartment of the forearm contains muscles that ________ the wrist, the metacarpophalangeal joints, and interphalangeal joints.
extends
Identify the movements of the glenohumeral joint that occur with contraction of the triceps brachii (long head). lateral rotation of the arm extension of the arm abduction of the arm flexion of the arm adduction of the arm medial rotation of the arm
extension of the arm adduction of the arm
Contraction of gluteal muscles results in ______. adduction of the thigh extension of the thigh flexion of the thigh abduction of the thigh
extension of the thigh
Which of the following summarizes the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi? extension, adduction, medial rotation extension, abduction, medial rotation flexion, abduction, lateral rotation flexion, adduction, lateral rotation
extension, adduction, medial rotation
The serratus anterior differs from the subclavius and pectoralis minor in that ______. it inferiorly attaches to the anterior of the thorax, but it superiorly attaches to the posterior of the thorax it attaches to more than one rib it is superficial to both the subclavius and pectoralis minor
it inferiorly attaches to the anterior of the thorax, but it superiorly attaches to the posterior of the thorax
Which correctly describes the location of the pectoralis minor? it is inferior to the serratus anterior it is a flat, triangular muscle it is superficial to the pectoralis major it is deep to the pectoralis major
it is deep to the pectoralis major
Which of the following best describes the location of the serratus anterior? it extends from the ribs to the coracoid process of the scapula it is located between the anterior surface of the ribs and the anterior surface of the scapula it is deep to the deltoid
it is located between the anterior surface of the ribs and the anterior surface of the scapula
Which of the following best describe(s) the actions of the subclavius? it stabilizes the clavicle it rotates the clavicle medially it depresses the clavicle
it stabilizes the clavicle it depresses the clavicle
Identify the movements of the glenohumeral joint that occur with contraction of the deltoid. adduction of the arm lateral rotation of the arm abduction of the arm flexion of the arm extension of the arm medial rotation of the arm
lateral rotation of the arm abduction of the arm flexion of the arm extension of the arm medial rotation of the arm
Contraction of the medial muscles of the thigh results in ______. lateral rotation of the thigh adduction of the thigh abduction of the thigh medial rotation of the thigh extension of the thigh flexion of the thigh
lateral rotation of the thigh adduction of the thigh extension of the thigh flexion of the thigh
The prime mover of the extension of the arm is the ______. pectoralis major long head of the triceps brachii latissimus dorsi deltoid
latissimus dorsi
Which is a prime mover of the glenohumeral joint? latissimus dorsi biceps brachii rectus abdominis
latissimus dorsi
Which muscles move the glenohumeral joint and originate on the axial skeleton? latissimus dorsi pectoralis major biceps brachii pectoralis minor
latissimus dorsi pectoralis major
Which muscle compresses the cheek against the teeth, as in chewing, when it contracts? the depressor anguli oris muscle the buccinator muscle the orbicularis oris muscle the masseter muscle
the buccinator muscle
Which muscle elevates and protracts the mandible during mastication? the buccinator muscle the orbicularis oris muscle the masseter muscle the temporalis muscle
the masseter muscle
Which of the following are considered muscles of mastication? the buccinator muscle the masseter muscle the temporalis muscle the lateral pterygoid muscle the medial pterygoid muscle
the masseter muscle the temporalis muscle the lateral pterygoid muscle the medial pterygoid muscle
Which muscle elevates and retracts the mandible during mastication? the masseter muscle the buccinator muscle the lateral pterygoid muscle the temporalis muscle
the temporalis muscle
The muscles that retract the scapula are the ______. levator scapulae and rhomboids trapezius and rhomboids (minor and major) serratus anterior and trapezius serratus anterior and pectoralis minor
trapezius and rhomboids (minor and major)
Which muscles extend the forearm? biceps brachii brachioradialis triceps brachii anconeus
triceps brachii anconeus
Which of the following are muscles that move the glenohumeral joint that originate on the scapula? triceps brachii biceps brachii teres major deltoid coracobrachialis trapezius
triceps brachii biceps brachii teres major deltoid coracobrachialis
True or false: The subclavius is inferior to the clavicle. True False
true