Kin223: Ch. 11 Axial & Appendicular Muscles

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Which of the following best describe(s) the actions of the subclavius?

- it stabilizes the clavicle - it depresses the clavicle

The glenohumeral joint is crossed by ______ muscles.

11

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

Identify the extrinsic eye muscles specified in the image of the right eye, lateral view. Item A—Superior ____ . Item B—Inferior ____

A- rectus B- oblique

Match the letters in the figure with the posterior thoracic muscle that moves the pectoral girdle.

A- trapezius B- levator scapulae C- rhomboid minor D- rhomboid major

In the figure, the psoas major 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

In the figure, the sartorius is indicated by the letter

P

In the figure, the rectus femoris is indicated by the letter

Q

The pectoralis major is an ______ of the arm.

adductor

When the triceps brachii extends the elbow, its action is considered to be that of which of the following?

agonist

Flexor tendons of the digits and the median nerve pass through the tight space between the bones and the flexor retinaculum, which is called the _____ tunnel.

carpal

The term mastication refers to the process of ______.

chewing

The orbicularis oris muscle is an example of a ______ muscle.

circular

The buccinator muscle ______

compresses the cheek

The levator scapulae ______ the scapula.

elevates

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

The muscles of the abdominal wall indicated by the letter A in the picture is the ______.

external oblique muscle

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

Which tongue muscles end in the suffix -glossus?

extrinsic

Which muscles protract, retract and elevate the tongue?

extrinsic tongue muscles

True or false: The intrinsic muscles of the foot act primarily to evert and invert the foot.

false

Posterior compartment thigh muscles ______ the knee.

flex

When the iliacus contracts, the thigh is ______.

flexed

Contraction of anterior muscles of the thigh results in Blank______.

flexion of the thigh

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

During inspiration, muscles of respiration ______.

increase the space of the thoracic cavity

The abdominal wall muscles indicated by the letter B in the picture is the ______.

internal oblique muscle

The hypothenar group forms a small fleshy mass at the base of the ______.

little finger

The most powerful and important muscle of mastication is the ______.

masseter

Most of the ______ compartment muscles are wrist and finger extensors.

posterior

The pectoralis major is an example of a muscle that ______ the scapula.

protract

When an appendicular muscle is contracting, the less moveable muscle attachment is usually the ______ attachment.

proximal

Which is not an abdominal wall muscle?

rectus femoris

At the wrist, the deep fascia of the forearm thickens and forms fibrous bands termed ____

retinacula or retinaculum

The temporalis muscle ______ the mandible.

retracts

Contraction of the deep muscles of the gluteal region results in ______.

rotation of the thigh

The prime mover of scapular protraction is the ______.

serratus anterior

A circular muscle is also called a(n) ______.

sphincter

The neck muscle indicated by the letter B in the given diagram is the ______.

splenius capitis muscle

The neck muscle indicated by the letter A in the provided picture is the ______.

sternocleidomastoid muscle

True or false: All anterior muscles that move the pectoral girdle are deep to other thoracic muscles. True false question.

true

Skeletal muscles are grouped according to their primary actions into which of the following three types?

- agonists - synergists - antagonists

What are some terms used in naming muscles according to shape?

- deltoid - rhomboid - trapezius

Contraction of the pectoralis minor ______.

- depresses scapula - protracts scapula

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

Identify the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi.

- extension of the arm - medial rotation of the arm - adduction of the arm

Contraction of the superficial muscles in the gluteal region results in ______.

- extension of the thigh - abduction of the thigh - rotation of the thigh

Which of the following are the muscles of the gluteal group of the posterior thigh?

- gluteus minimus - gluteus medius - gluteus maximus

Compartments of the thigh ______.

- include blood vessels and nerves for a single compartment - include muscles with similar actions - are anatomically defined by the fascia latae

The levator scapulae ______.

- is a posterior thoracic muscle - is superior to the rhomboids (minor and major) - is deep to the trapezius

The functions of the erector spinae muscles include ______.

- lateral flexion of vertebral column - extension of vertebral column - maintenance of posture

Identify the movements of the glenohumeral joint that occur with contraction of the deltoid.

- lateral rotation of the arm - flexion of the arm - abduction of the arm - extension of the arm - medial rotation 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

Contraction of the lateral muscle of the thigh results in ______.

- medial rotation of the thigh - abduction of the thigh

Compartments in the forearm contain muscles with similar ______.

- origins - actions at the wrist joint

The anterior thoracic muscles that move the pectoral girdle are the ______.

- pectoralis major - subclavius - serratus anterior

What are some terms used in naming muscles according to orientation of fascicles?

- rectus - oblique

Which muscles extend the forearm?

- triceps brachii - anconeus

Which of the following are muscles that move the glenohumeral joint that originate on the scapula?

- triceps brachii - coracobrachialis - biceps brachii - teres major - deltoid

Compartments in the forearm ______.

-Contain functionally related muscles -Contain nerves and blood vessels of the forearm muscles -Are defined by partitions formed by deep fascia

Which of the following is/are functions of the intrinsic muscles of the foot?

-abduct and adduct the toes -flex and extend the toes -support the arches

When the gluteus minimus contracts, the thigh is ______.

-abducted -rotated medially

In general, muscles in the medial compartment of the thigh tend to ______.

-adduct the thigh at the hip joint -flex the leg at the knee joint

Which are muscles of the medial thigh compartment?

-adductor brevis -Pectineus -Gracilis -Adductor magnus -Obturator externus -Adductor longus

Which are the muscles of the posterior thigh, commonly referred to collectively as the "hamstrings?"

-biceps femoris -semitendinosus -semimembranosus

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

When the sartorius contracts, the leg is ______.

-flexed -rotated medially

The serratus anterior ______.

-stabilizes the scapula - superiorly rotates the scapula

Which of the following are the deep muscles of the gluteal region?

-superior gemellus -inferior gemellus -quadratus femoris -piriformis -obturator internus

In the figure, the long head of the biceps femoris is indicated by the letter

A

In the figure, the short head of the biceps femoris is indicated by the letter

D

The ____ major is the principal flexor of the arm.

Pectoralis

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.

True or false: The temporalis is considered a muscle of mastication.

True

The extensor digitorum longus is on the ______ side of the leg.

anterior

The muscles in the ______ compartment of the arm flexes the arm at the elbow.

anterior

The pectoralis minor muscle is a(n) ______ thoracic muscle.

anterior

Which of the following best describes the location of the pectoralis major?

anterior of body, covers superior portion of thorax

Anatomically, muscles that move the pectoral girdle are classified as ______.

anterior or posterior thoracic

Which of the following identifies the compartments of the thigh?

anterior, posterior, lateral, medial

When your shoulders are hunched forward, the pectoralis muscle is ______.

contracting

During exhalation, muscles of respiration ______.

decrease the space of the thoracic cavity

The pectoralis minor muscle is ______ to the pectoralis major muscle.

deep

The anterior fibers of the ____ are the primary flexors of the arm and medially rotate the arm.

deltoid

The posterior compartment of the forearm contains muscles that ____ the wrist, the metacarpophalangeal joints, and interphalangeal joints.

extend or supinate

The hamstring group of muscles ______ the thigh and ______ the leg.

extend; flex

When the psoas major contracts, the thigh is ______.

flexed

When the rectus femoris contracts, the thigh is ______.

flexed

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

Which of the following best summarizes the movements of the glenohumeral joint that occur when the pectoralis major contracts?

flexion, adduction, medial rotation

Muscles of the anterior neck that are inferior to the hyoid bone are called ______ muscles.

infrahyoid

The thoracic muscles increase the space of the thoracic cavity during ______.

inspiration

The ______ muscles of the foot move the toes.

intrinsic

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

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 prime mover of the extension of the arm is the ______.

latissimus dorsi

Which is a prime mover of the glenohumeral joint?

latissimus dorsi

The prime movers of the glenohumeral joint are the ______.

latissimus dorsi and pectoralis major

Which is a muscle of mastication?

masseter

Which term refers to the process of chewing?

mastication

Muscles of the ____ compartment of the thigh adduct the thigh.

medial

Muscles of the _____ compartment of the thigh adduct the thigh.

medial

Which muscle adducts the eye?

medial rectus

The ______ is formed by three layers of muscles and associated fasciae.

pelvic diaphragm

The "hamstrings" are muscles of the ______ compartment of the thigh.

posterior

The biceps femoris is on the ______ side of the thigh.

posterior

The levator scapulae is a(n) ______ thoracic muscle.

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

Usually during axial muscle contraction, the more moveable muscle attachment, the ______ attachment is pulled toward the less moveable muscle attachment.

superior

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

The letter A indicates which facial muscle is the picture?

the buccinator muscle

Which muscle elevates and protracts the mandible during mastication?

the masseter muscle

The muscles that protract the scapula are ______.

the serratus anterior and 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

The ____ brachii extends the arm.

triceps

True or false: The subclavius is inferior to the clavicle.

true

True/False: The tensor fasciae latae is a muscle in the lateral thigh compartment.

true

In the figure, the gluteus minimus is indicated by the letter

X


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