Chapter 11 and 12 - Axial Muscles and appendicular Muscles

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Which of the following muscles extend the wrist? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus (weakly) F. Extensor Pollicis Longus (weakly) G. Extensor Pollicis Brevis (weakly)

Which of these muscles depresses the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

A. Inferior Trapezius D. Pectoralis Minor

Which of these muscles retracts the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

A. Middle Trapezius E. Rhomboid Minor F. Rhomboid Major

Which of the muscles pronates the forearm? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

A. Pronator Teres

Which of these muscles elevates the clavicle? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

A. Superior Trapezius

Which of these muscles superiorly rotates the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

A. Superior Trapezius

Which of these muscles elevates the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

A. Superior Trapezius B. Levator Scapulae E. Rhomboid Major F. Rhomboid Minor

Which of these muscles stabilize and rotate the glenohumeral joint? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis

Which of these muscles extend the forearm? A. Triceps Brachii B. Biceps Brachii C. Coracobrachialis D. Brachialis E. Brachioradialis

A. Triceps Brachii

Action of abductor pollicis longus

Abducts thumb Weakly extends wrist

Action of Deltoid

Abducts, flexes, extends and rotates arm

Action of coracobrachialis

Adducts and flexes arm (glenohumeral joint)

What compartment does the biceps Brachii belong to?

Anterior compartment of arm

What compartment does the brachialis belong to?

Anterior compartment of arm

What compartment does the brachioradialis belong to?

Anterior compartment of arm

What compartment does the coracobrachialis belong to?

Anterior compartment of arm

What compartment is the flexor carpi radialis in?

Anterior compartment of the forearm.

What compartment is the flexor carpi ulnaris in?

Anterior compartment of the forearm.

What compartment is the flexor digitorm profundus in?

Anterior compartment of the forearm.

What compartment is the flexor digitorum superficialis in?

Anterior compartment of the forearm.

What compartment is the flexor retinaculum in?

Anterior compartment of the forearm.

What compartment is the palmaris longus in?

Anterior compartment of the forearm.

What compartment is the pronator teres in?

Anterior compartment of the forearm.

Which of these muscles supinates the forearm? A. Triceps Brachii B. Biceps Brachii C. Coracobrachialis D. Brachialis E. Brachioradialis

B. Biceps Brachii

Which of these muscles flexes the forearm? A. Triceps Brachii B. Biceps Brachii C. Coracobrachialis D. Brachialis E. Brachioradialis

B. Biceps Brachii D. Brachialis E. Brachioradialis

Which of the muscles flexes the wrist? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

B. Flexor Carpi Radialis C. Palmaris Longus (weakly) D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

Which of the muscles abducts the hand? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus G. Extensor Carpi Radialis Longus H. Extensor Carpi Radialis Brevis

B. Flexor Carpi Radialis G. Extensor Carpi Radialis Longus H. Extensor Carpi Radialis Brevis

What muscles are found in the anterior compartment of the arm?

Biceps Brachii (two heads/origins) Coracobrachialis Brachialis Brachioradialis

Which of the muscles tenses fascia of the palm? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

C. Palmaris Longus

Which of these muscles stabilizes the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

C. Serratus Anterior

Which of these muscles protracts the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

C. Serratus Anterior D. Pectoralis Minor

Which of the following muscles extend 2nd-5th MP, PIP, and DIP joints? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

D. Extensor Digitorum

Which of the muscles adducts the hand? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus G. Extensor Carpi Ulnaris

D. Flexor Carpi Ulnaris G. Extensor Carpi Ulnaris

The function of the inferior trapezius

Depresses scapula; extends head.

DIP=

Distal interphalangeal

Which of the following muscles abduct the thumb? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

E. Abductor Pollicis Longus

Which of the muscles flexes 2nd-5th MP and PIP joints? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

Which of the muscles flexes 2nd-5th DIP joints? A. Pronator Teres B. Flexor Carpi Radialis C. Palmaris Longus D. Flexor Carpi Ulnaris E. Flexor Digitorum Superficialis F. Flexor Digitorum Profundus

E. Flexor digitorum profundus

Which of these muscles adducts the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

E. Rhomboid Major F. Rhomboid Minor

Which of these muscles inferiorly rotates the scapula? A. Trapezius - inferior, middle or superior? B. Levator Scapulae C. Serratus Anterior D. Pectoralis Minor E. Rhomboid Major F. Rhomboid Minor

E. Rhomboid Major F. Rhomboid Minor

Which of these muscles medially rotates the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

E. Teres Major F. Latissimus Dorsi G. Pectoralis Major

Which of these muscles adducts the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major I. Triceps Brachii J. Coracobrachialis

E. Teres Major F. Latissimus Dorsi H. Pectoralis Major I. Triceps Brachii (Assists) J. Coracobrachialis

Which of these muscles extends the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

E. Teres Major F. Latissimus Dorsi G. Deltoid

Function of Rhomboid major

Elevates and retracts (adducts) scapula; rotates scapula inferiorly.

Function of Rhomboid minor

Elevates and retracts (adducts) scapula; rotates scapula inferiorly.

The function of the superior trapezius

Elevates and superiorly rotates scapula; elevates clavicle

The function. Of levator scapulae

Elevates scapula

Action of rectus femoris

Extend leg Flex thigh

Action of extensor pollicis longus

Extends MP and IP joints of thumb Weakly extends wrist

Action of Extensor pollicis brevis

Extends MP joint of the thumb Weakly extends wrist

Action of triceps brachii

Extends forearm and assists in arm adduction

Action of vastus lateralis/intermedius/medialis

Extends leg

Action of the extensor carpi radialis brevis

Extends wrist Abducts hand

Action of the extensor carpi radialis longus

Extends wrist Abducts hand

Action of the extensor carpi ulnaris

Extends wrist Adducts hand

Action of the extensor digitorum

Extends wrist Extends 2nd-5th MP, PIP, and DIP joints

Action of latissimus dorsi

Extends, adducts and medially rotates arm. Draws arm inferiorly and posteriorly.

Action of teres major

Extends, adducts, and medially rotates arm

What muscles are in the posterior compartment of the forearm?

Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor digitorum Abductor pollicis longus Extensor pollicis longus Extensor pollicis brevis Supinator

What is an associated structure of the posterior compartment of the forearm?

Extensor retinaculum

Which of the following muscles extend the IP joint of thumb? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

F. Extensor Pollicis Longus

Which of the following muscles extend the MP joints of the thumb? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

F. Extensor Pollicis Longus G. Extensor Pollicis Brevis

Which of these muscles draws the arm inferiorly and posteriorly? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

F. Latissimus Dorsi

What is the significance of the extensor retinaculum?

Fibrous band of connective tissue that covers the dorsal surface of the carpals

Significance of flexor retinaculum

Fibrous band of connective tissue that covers the palmar surface of the carpals.

Action of Biceps Brachii

Flexes arm (glenohumeral Joint) Flexes and supinate forearm(elbow joint)

Action of Brachioradialis joint

Flexes forearm (elbow joint)

Action of brachialis

Flexes forearm (elbow joint)

Action of flexor carpi radialis

Flexes wrist Abducts hand

Action of flexor carpi ulnaris

Flexes wrist Adducts hand

Action of flexor digitorum superficialis

Flexes wrist Flexes 2nd - 5th MP and PIP joints

Action of flexor digitorum profundus

Flexes wrist Flexes 2nd - 5th MP, PIP, and DIP joints.

Action of sartorius

Flexes, abducts and laterally rotates thigh Flexes leg and rotates leg medially. (Sitting crosslegged on floor.)

Pectoralis major

Flexes, adducts, and medially rotates arm.

What associated structure can be found in the anterior compartment of the forearm?

Flexor retinaculum

Which of these muscles abducts the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

G. Deltoid

Which of these muscles rotates the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major

G. Deltoid

Which of these muscles flexes the arm? A. Supraspinatus B. Infraspinatus C. Teres Minor D. Subscapularis E. Teres Major F. Latissimus Dorsi G. Deltoid H. Pectoralis Major I. Biceps Brachii J. Coracobrachialis

G. Deltoid H. Pectoralis Major I. Biceps Brachii J. Coracobrachialis

Which of the following muscles supinate the forearm? A. Extensor Carpi Radialis Longus B. Extensor Carpi Radialis Brevis C. Extensor carpi ulnaris D. Extensor Digitorum E. Abductor Pollicis Longus F. Extensor Pollicis Longus G. Extensor Pollicis Brevis H. Supinator

H. Supinator

IP=

Interphalangeal

What are the names of the heads of the triceps brachii?

Long head, lateral head, and medial head.

MP =

Metocarpophalangeal

MIP=

Middle interphalangeal

What compartment does the abductor pollicis longus belong to?