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