KIN 245 Exam II Quiz

Wrist extension

65-85 degrees

The most laterally located bony landmark of the scapula is the _______.

acromion process

Which of the following muscles is located most anteriorly on the human body? a. Levator scapulae b. Trapezius c. Rhomboids d. Pectoralis minor

d. Pectoralis minor

"Workhorse" of the triceps brachii

medial head

Intermediate layer of wrist and hand flexors

- flexor digitorum superficialis

Superficial layer of wrist and hand flexors are ______ and come off common flexor tendon off the __________

- pronator teres - flexor carpi radialis - palmaris longus - flexor carpi ulnaris

Wrist flexion

70-90 degrees

How many carpal bones make up the wrist joint complex?

8

Which of the following muscles performs flexion of the thumb? a. Flexor pollicis longus b. Abductor pollicis c. Flexor carpi radialis longus d. Flexor digitorum superficialis

a. Flexor pollicis longus

Which of the following is the insertion of the pronator teres muscle? a. Middle 1/3 of the lateral surface of the radius b. Distal 2/3 of the distal ulna c. Infraglenoid tubercle d. Upper 1/2 of the posterior surface of the humerus

a. Middle 1/3 of the lateral surface of the radius

Which of the following muscles has a portion of its insertion located on the spine of the scapula? a. Trapezius b. Rhomboids c. Serratus anterior d. Levator scapulae

a. Trapezius

Which of the following ligaments support the proximal radioulnar joint? a. Annular b. Interosseus c. Ulnar collateral d. Radial collateral

a. annular

Insertion of the medial fibers of the traps

acromion process and superior scapular spine

The long head of the tricep does

adduction of the shoulder

Which of the following muscles does not assist with wrist extension? a. Extensor digitorum b. Abductor pollicis longus c. Extensor pollicis longus d. Extensor indicis

b. Abductor pollicis longus

Which of the following bony landmarks articulates with the radial head? a. Trochlea b. Capitulum c. Medial epicondyle d. Lateral epicondyle

b. Capitulum

The ligaments of the elbow joint complex include all of the following except? a. Radial collateral b. Interosseus c. Annular d. Ulnar collateral

b. Interosseus

Actions of the biceps brachii include all of the following except? a. Weak flexion of the shoulder b. Pronation of the forearm c. Flexion of the elbow d. Supination of the forearm

b. Pronation forearm

What is the insertion of the extensor carpi ulnaris?

base of the 5th metacarpal

What is the insertion of the flexor digitorum profundus?

base of the distal phalanxes of fingers 2-4

Flexor digitorum profundus inserts into

bases of distal phalanges, palmer surfaces of 2nd-5th fingers - travels between flexor digitorum superficialis

Extensor digitorum attaches to the

bases of middle and distal phalanges of 2nd - 5th fingers

When viewed from the anatomical position which of the following is located posterior surface of the arm? a. Pronator quadratus b. Pronator teres c. Anconeus d. Biceps brachii

c. Anconeus

Which of the following muscles performs abduction (radial deviation) of the wrist? a. Extensor carpi ulnaris b. Flexor carpi ulnaris c. Extensor carpi radialis longus d. Extensor digitorum

c. Extensor carpi radialis longus

Which of the following is the sole action of the brachialis muscle? a. Pronation from supinated position b. Supination from a pronated position c. Flexion of the elbow d. Weak flexion of the shoulder

c. Flexion of the elbow

Which of the following muscles retracts the scapula? a. Serratus anterior b. Pectoralis minor c. Rhomboids d. Levator scapulae

c. Rhomboids

Which of the following muscles has a portion of its origin located on the ribs? a. Rhomboids b. Levator scapulae c. Serratus anterior d. Trapezius

c. Serratus anterior

The adductor pollicis originates from the _______ and inserts into the _______

capitate and 2nd and 3rd metacarpals, base of proximal phalanx of thumb

Which of the following muscles performs stabilization and protection of the sternoclavicular joint? a. Serratus anterior b. Pectoralis minor c. Trapezius d. Subclavius

d. Subclavius

All of the following are bony landmarks located on the humerus except? a. Coranoid fossa b. Olecranon fossa c. Lateral condyloid ridge d. Coranoid process

d. coranoid process

Which of the following anatomical landmarks is located on the anterior surface of the scapula? a. Supraspinatus fossa b. Infraspinatus fossa c. Glenoid fossa d. Subscapular fossa

d. subscapular fossa

The actions of the lower portion of the trapezius muscle include all of the following except a. Adduction b. Elevation c. Depression d. Upward rotation

elevation

The insertion of the brachialis muscle is the coracoid process of the ulna.

false

True of false, supination refers to internal rotary movements of the radius on the ulna.

false

True or false, radial deviation is movement of thumb side of hand toward medial aspect or radial side of forearm.

false

True or false, the acetabular femoral joint is reinforced by an extremely weak ligamentous capsule and the stability of this joint is attributed to the surrounding musculature.

false

True or false, the scapulothoracic joint consists of the bony articulation of the anterior scapular moving directly against the posterolateral ribs.

false

True or false, the insertion of the deltoid muscle is the humeral tuberosity on the lateral humerus.

false, deltoid tuberosity

True or false, the levator scapulae muscle is responsible for upward rotation of the inferior angle of the scapula.

fasle

Proximal interphalangeal joint motion occurs about the ___ axis

frontal

What makes up the wrist joint

intercarpal joint and radiocarpal joint

Insertion of the upper fibers of the traps

lateral 1/3 of the clavicle

Strongest extensor of the triceps brachii

lateral head

Last recruited head of the triceps brachii

long head

Insertion of the levator scapulae

medial border of scapula, between superior angle and superior portion of spine of scapula

What is the origin of the flexor carpi radialis?

medial epicondyle of the humerus

The primary extensor of the triceps brachii

medial head

Flexor carpi ulnaris inserts into

pisiform, hook of the hamate, and base of 5th metacarpal

The brachioradialis assists with

pronation and supination of the forearm

What is the origin of the flexor digitorum profundus?

proximal 3/4th of the anterior & medial ulna

Wrist abduction

radial deviation - 15 degrees

What is the most lateral carpal of the proximal row?

scaphoid

Radial colateral ligament originates from _________ and attaches to the _________

styloid process of the radius, scaphoid and trapezium

For the biceps brachii, the long heads origin is the _________ of scapula and the short head is the ________________ of the scapula

supraglenoid tubercle, coracoid process

Flexor carpi radialis inserts into

the base of the 2nd and 3rd metacarpal bones

True or false, all of the wrist flexor muscles generally have their origins located on the anteromedial aspect of the proximal forearm and the medial epicondyle of humerus.

true

True or false, motions of the metacarpophalangeal joints include flexion, extension, abduction, and adduction.

true

True or false, the ulna is much larger proximally than the radius.

true

Insertion of the brachialis is

tuberosity and coronoid process of ulna

The most commonly injured ligament in the elbow due to throwing is the ______.

ulnar collateral ligament

Wrist adduction

ulnar deviation - 30 degrees

The posterior rotator cuff muscles insert on which bony landmark? a. Greater tubercle b. Intertubercular groove c. Humeral head d. Lesser tubercle

a. greater tubercle

Extensor carpi radialis brevis attaches to the

base of 3rd metacarpal

Extensor carpi ulnaris attaches to the

base of 5th metacarpal

Flexor pollicis longus inserts into the

base of distal phalanx of thumb

Which of the following articulates with the ulna? a. Capitulum b. Lateral epicondyle c. Trochlea d. Medial epicondyle

c. Trochlea

Which muscle would most likely be substantially weakened in an individual with a winging scapula?

serratus anterior

Flexor digitorum superficialis inserts into

sides of middle phalanges of 2nd - 5th fingers - splits into two

Which of the following muscles performs both scapular elevation and depression? a. Pectoralis minor b. Trapezius c. Rhomboids d. Serratus anterior

trapezius

Ulnar collateral ligament originates from the __________ and attaches to the ________

triquetrum and pisiform

True or false, normally, the wrist has more adduction (ulnar deviation) range of motion than abduction (radial deviation) range of motion

true

True or false, opposition is movement of the thumb across palmar aspect to oppose any or all of the phalanges.

true

True or false, positioning the forearm in pronation reduces the effectiveness of the biceps brachialis in flexing the elbow.

true

True or false, the acromioclavicular joint has more total range of motion possible than the sternoclavicular joint.

true

True or false, the insertion of the serratus anterior muscle is the anterior aspect of the whole length of the medial border of the scapula.

true

True or false, the insertion of the triceps brachii muscle is the olecranon process of the ulna.

true

True or false, the only muscle involved in extending all of the metacarpophalangeal and interphalangeal joints of the four fingers is the extensor digitorum.

true

The insertion of the biceps brachii is

tuberosity of the radius