Muscular System Part 1

92 terms by bbrinkley08

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Identify the statement concerning general functional characteristics of muscle that is true

None of these statements is true

Identify the statement concerning skeletal muscle that is true

It is responsible for locomotion

Which of the following actions is caused by contraction of skeletal muscle?

Moving your feet in walking

Smooth muscle and cardiac muscle are similar in that they both

are under involuntary control

A fasciculus

is a surrounded by perimysium

Endomysium is a delicate network of loose connective tissue that

surrounds each muscle fiber

Concentric is contractions that occur when

the muscle produces increasing tension as it shortens

Muscle astrophy

a characterized by a decrease in muscle size

extension of arm uses what muscle

skeletal

protection of heart uses what muscle

cardiac

organ and vessel constriction

Smooth muscle

moves food through the digestive tract

smooth muscle

A muscle produces constant tension causing tension causing a skeletal part to be moved through a range of motion

isotonic contraction

Action potential frequency is high enough that no relaxation of muscle fibers occurs

tetany

A muscle produces tension, but the length of the muscle is increasing

eccentric contractions

A muscle produces an increasing tension during a contraction without changing the length of the muscle.

Isometric

A muscle produces increasing tension as it shortens

concentric contractions

muscles that do not involve joints

skeletal muscles

The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternal medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle connects to the sternum is the

origin

When you "pull your tummy in" and compress your abdomen, you use the rectus abdominis, external abdominal oblique, internal abdominal oblique, and transverses abdominis muscles. This is an examples muscles working as

synergists

The brachioradialis is named for it's

origin and insertion

Contracting the right sternocleidomastoid muscle would

rotate the head toward the left

which of the following muscles of thr chest has the insertion on the humerus

pectoralis major

which of the following muscles moves the scapula?

teres major

which of the following muscles is part of the rotator cuff?

teres minor

Rotator cuff muscles

all functions to rotate the shoulder

Infraspinatus

extends and laterally rotates the arm

raising your arm to shoulder level is accomplished almost entirely by the

deltoid

all of the follwing muscles are rotators of the arm. Which is a lateral rotator of the arm?

teres minor

The anconeus works with the triceps brachii to

extend the forearm

which of the following muscles extends the forarm and has its insertion on the ulna?

Triceps brachii

Which of the following is fond in the posterior group of forarm muscles?

abductor pollicis longus

The muscles of the anterior group of forearm muscles are primarily

flexors

which of the following muscles flexes the wrist?

flexor carpi radialis

A muscle that extends both the wrist and the index finger is the

extensor indicts

of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?

supinator

the extensor pollicus brevis moves the

thumb

the thnar muscles are involved in controlling the ____; the hypothenar muscles control the ___.

thumb; little finger

In order to put on a glove, the fingers are abducted by hand muscles called

dorsal interossei

when a person drums their fingers on the table, they would be using which of the following muscles?

extensor carpi radialis longus

The muscles of capital extension are stretched and tom, this would result in an injury known as

tennis elbow

What muscle is it that covers the head of the humerus and glenoid cavity?

deltoid

What muscle covers the back and scapula?

AThe pectoralis major

What muscle reaches down the back and lines with the ribs?

Serratus anterior

A very ridgid line down the medial side of the humerus, tendon like

coracobrachialis

What muscle that makes up the triceps and is two different levels

biceps brachii

What muscle elevates the scapula

Levator scapulae

What muscles rotates and protracts the scapula?

Serratus conterior

Latissimus Dorsi

protracts the scapula

Flexor of the forearm

Bracioradialis

Point of muscle where the action occurs

Insertion

The most stationary end of the muscle

origin

Muscles that work together to cause movement

Synergist

Muscle that does most of the movement

Prime mover

What muscle makes up the side of the neck?

levator scapulae

What muscle makes up the medial part of the back by the spine?

Rhomboid minor

What muscle is below the Rhomboid minor?

The rhomboid major

What muscle is below the scapula?

The teres major

What muscle is the wide and thick part of the back?

The latissimus dorsi

Which of the following is not found in an muscle fiber?
Muscle tissue, blood vessels, nerves, lymphatic tissue, connective tissue

Lymphatic tissue

What is repsponsible for depressing the ribs for expiration?

internal intercostals

what is not true about the trapezius muscles

it inserts on the coracoid process

which of the following is NOT an action of the Biceps Brachii

it does not abduct the shoulder

what muscle is responsible for bending the elbow with the forearm in a extended position?

brachialis

What muscle doesn't have it's origin at the common flexor tendon?

flexor digitorum profundus

The pronator quadratus muscle is located

at the distal radioulnar joint

What is the lower muscle on the humerus in the anterior view?

The teres minor

the higher muscle on top of the humerus

infraspinatus

which muscle lays right above the shoulder inbetween the acromion process and coracoid process?

supraspinatus

What muscle runs on the front of the armpit?

subscapularis

what is not true about the flexor digitorum profundus?

it's a superficial forearm muscle

What muscle lays acros the forearm that is the shortest muscle?

Pronator teres

What is the muscle right under the pronator teres that is the largest in the anterior view

flexor carpi radialis

The big medial muscle that is right by the elbow?

brachioradialis

the muscle that's tendon that reaches each finger?

palmaris longus

What muscle is on the back of the arm that flexes when you do curls?

flexor digitorum superficialis

The tendon that connects only to the wrist

flexor carpi ulnaris

inflammation of the common flexor tendon is known as

medial epicondylitis

Big meaty muscle by the thumb is called?

abductor pollicis brevis

Mucles that lays across middle of the hand

flexor pollicis brevis

Little muscle by the thumb

adductor pollicis

Muscle by the pibnky

abductor digis minimi

What powerfully flexes the thumb?

flexor pollicis brevis

abducts the thumb

adductor pollicis

has a transverse head and an oblique head

abductor pollicis brevis

abducts the 5th digit

adductor digiti minimi

adducts the fingers

palmar interossei

assists to "cup" the palm

opponens digiti minimi

flexes the 5th digit

flexor digiti minimi brevis

abducts the fingers

dorsal interossei

extends the 4 medial digits

extensor digitorum

flexes the fingers at the McP join

lumbricals

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