KIN 245 ONLINE Exam 2
pectoralis major lower fibers origin
Anterior surface of costal cartilages of first six ribs, and adjoining portion of sternum
extensor digiti minimi insertion
Base of the middle and distal phalanxes of the 5th phalange on dorsal surface
pronator quadratus origin
Distal 1/4 of anterior surface of ulna
triceps brachii medial head origin
Distal 2/3 of the posterior surface of the humerus
flexor digitorum superficialis insertion
Each tendon splits and attaches to the sides of the middle phalanx of the four fingers on the palmar surface
extensor digiti minimi action
Extension of digit 5 at MCP joint, weak wrist extension, weak elbow extension
extensor digitorum action
Extension of digits 2-5 at MCP joints, Extension of wrist, weak elbow extension
pectoralis major *upper + lower fibers* insertion
Flat tendon 2 or 3 inches wide to lateral lip of intertubercular groove of humerus
flexor digitorum superficialis action
Flexion of the fingers at the metacarpophalangeal and proximal interphalangeal joints, flexion of the wrist, weak flexion of the elbow
flexor digitorum profundus action
Flexion of the four fingers at the metacarpophalangeal, proximal interphalangeal, and distal interphalangeal joints, flexion of the wrist
flexor pollicis longus action
Flexion of the thumb carpometacarpal, metacarpophalangeal, and interphalangeal joints, Flexion of the wrist, Abduction of the wrist
extensor digitorum insertion
Four tendons to bases of middle and distal phalanxes of four fingers (dorsal surface)
triceps brachii long head origin
Infraglenoid tubercle below inferior lip of glenoid fossa of the scapula
infraspinatus origin
Infraspinous fossa just below spine of scapula
supinator origin
Lateral epicondyle of the humerus and neighboring posterior part of the ulna
extensor carpi ulnaris origin
Lateral epicondyle of the humerus, middle 2/4 of the posterior border of the ulna
brachioradialis insertion
Lateral surface of distal end of radius proximal to styloid process
trapezius middle fibers insertion
Medial border of the acromion process and superior border of the scapular spine
teres major insertion
Medial lip of the intertubercular groove of the humerus, just posterior to the insertion of the latissimus dorsi
flexor pollicis longus origin
Middle anterior surface of the radius and the anterior medial border of the ulna just distal to the coronoid process
Coracobrachialis insertion
Middle of the medial border of the humeral shaft
extensor indicis origin
Middle to distal 1/3 of posterior ulna
extensor pollicis longus origin
Posterior lateral surface of the lower middle ulna
anconeus origin
Posterior surface of the lateral condyle of the humerus
anconeus insertion
Posterior surface of the lateral olecranon process and proximal 1/4 of the ulna
extensor pollicis brevis origin
Posterior surface of the lower middle radius
infraspinatus insertion
Posteriorly on the greater tubercle of the humerus
teres minor insertion
Posteriorly on the greater tubercle of the humerus
teres minor origin
Posteriorly on the upper and middle aspect of the lateral border of the scapula
flexor digitorum profundus origin
Proximal 3/4 of anterior and medial ulna
supraspinatus insertion
Superiorly on the greater tubercle of the humerus
T/F: Glenohumeral joint stability is enhanced by the glenoid labrum?
TRUE
T/F: The coracoclavicular ligament is particularly important in providing stability to the acromioclavicular joint?
TRUE
trapezius lower fibers insertion
Triangular space at the base of the scapular spine
Movement of the fingers away from the middle finger is termed _________?
abduction
Movement of the scapula laterally away from the spinal column is termed?
abduction
Upward lateral movement of the humerus in the frontal plane out to the side, away from the body is termed _________?
abduction
supraspinatus action
abduction
abductor pollicis longus action
abduction of thumb at CMC joint, wrist abduction, extension of thumb at CMC joint, weak wrist extension, weak supination
pectoralis minor action
abduction, downward rotation, depression
deltoid posterior fibers action
abduction, extension, horizontal abduction, external rotation, diagonal abduction
deltoid anterior fibers action
abduction, flexion, horizontal adduction, internal rotation, diagonal adduction
deltoid middle fibers action
abduction, horizontal abduction
serratus anterior action
abduction, upward rotation
Which of the following muscles performs an action in the frontal plane?
abductor pollicis longus
The most laterally located bony landmark of the scapula is the?
acromion process
The most superiorly located bony landmark of the scapula is the?
acromion process
Movement of the fingers back together toward the middle finger is called _________?
adduction
Movement of the scapula medially toward the spinal column is termed?
adduction
trapezius lower fibers action
adduction, depression, upward rotation
rhomboids action
adduction, downward rotation, elevation
palmaris longus action
wrist flexion, weak elbow flexion
extensor pollicis brevis insertion
Base of proximal phalanx of thumb, dorsal surface
extensor indicis insertion
Base of the middle and distal phalanxes of the 2nd phalange on dorsal surface
brachialis origin
Distal half of the anterior shaft of the humerus
pronator teres origin
Distal part of the medial supracondylar ridge of the humerus and medial side of the proximal ulna
extensor carpi radialis longus origin
Distal third of lateral supracondylar ridge of the humerus and lateral epicondyle of the humerus
supinator insertion
Lateral surface of the proximal radius just below the head
biceps brachii long head origin
Supraglenoid tubercle above the superior lip of the glenoid fossa
When viewed from the anatomical position which of the following is located posterior surface of the arm?
anconeus
serratus anterior insertion
anterior aspect of the whole length of the medial border of the scapula
deltoid anterior fibers origin
anterior lateral third of clavicle
Pectoralis minor origin
anterior surface of ribs 3-5
abductor pollicis longus insertion
base of 1st metacarpal on dorsal lateral surface
flexor carpi radialis insertion
base of 2nd and 3rd metacarpals on palmar surface
extensor carpi radialis longus insertion
base of 2nd metacarpal on dorsal surface
extensor carpi radialis brevis insertion
base of 3rd metacarpal on dorsal surface
extensor carpi ulnaris insertion
base of 5th metacarpal on dorsal surface
flexor digitorum profundus insertion
base of distal phalanges of the four fingers
extensor pollicis longus insertion
base of distal phalanx of thumb on dorsal surface
flexor pollicis longus insertion
base of distal phalanx of thumb on palmar surface
trapezius upper fibers origin
base of skull, occipital protuberance, and posterior ligaments of neck
The metacarpophalangeal joints are classified as _________?
condyloid
The wrist joint is classified as a _________ joint?
condyloid
coracobrachialis origin
coracoid process of scapula
pectoralis minor insertion
coracoid process of scapula
biceps brachii short head origin
coracoid process of the scapula and upper lip of the glenoid fossa in conjunction with the proximal attachment of the coracobrachialis
All of the following are bony landmarks located on the humerus except?
coranoid process
brachialis insertion
coronoid process of ulna
deltoid (all fibers) insertion
deltoid tuberosity of lateral humerus
pronator quadratus insertion
distal 1/4 of anterior surface of radius
brachioradialis origin
distal 2/3 of lateral supracondylar ridge of humerus
anconeus action
elbow extension
triceps brachii *lateral + medial head* action
elbow extension
brachialis action
elbow flexion
brachioradialis action
elbow flexion, pronation, supination
trapezius middle fibers action
elevation, adduction, upward rotation
trapezius upper fibers action
elevation, upward rotation, extension of head at neck, rotation of head at neck
levator scapulae action
elevation, weak downward rotation, weak adduction
subscapularis origin
entire anterior surface of subscapular fossa
Movement of the back of the hand and/or the phalanges toward the posterior or dorsal aspect of the forearm is termed _________?
extension
Movement of the forearm away from the shoulder by straightening the elbow to increase its angle is termed _________?
extension
Movement of the humerus straight posteriorly from any point in the sagittal plane is termed _________?
extension
triceps brachii long head action
extension of the elbow, extension of the shoulder joint, adduction of the shoulder joint, horizontal abduction of the shoulder joint
extensor indicis action
extension of the index finger at MCP joint, weak wrist extension, weak supination
extensor pollicis longus action
extension of the thumb CMC, MCP, and IP joints; wrist extension, wrist abduction, weak supination
extensor pollicis brevis action
extension of thumb at CMC, MCP joints; weak wrist extension, wrist abduction
teres major action
extension, adduction, internal rotation
latissimus dorsi action
extension, adduction, internal rotation, horizontal abduction
Which of these muscles may be palpated just proximal to the dorsal aspect of the wrist?
extensor carpi radialis longus
infraspinatus action
external rotation, horizontal abduction, extension, diagonal abduction
teres minor action
external rotation, horizontal abduction, extension, diagonal abduction
T/F: Lateral epicondylitis is a condition that occurs less commonly than medial epicondylitis?
false
T/F: Movement at the elbow by the forearm away from the shoulder is accurately described by the term "flexion"?
false
T/F: Muscles that are considered to be wrist extensors include the extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi radialis?
false
T/F: Radial flexion is movement of thumb side of hand toward medial aspect or radial side of forearm?
false
T/F: The elbow joint is a hinge-type joint that allows for internal and external rotation?
false
T/F: The flexor digitorum superficialis performs its action in the frontal plane?
false
T/F: The flexor pollicis longus may be palpated on the posterior surface of the thumb?
false
T/F: The lateral supracondylar ridge is an anatomical landmark located on the ulna?
false
T/F: The olecranon process is located on the medial aspect of the ulna?
false
T/F: The stability of the glenohumeral joint is enhanced by it significant mobility?
false
Movement of the forearm to the shoulder by bending the elbow to decrease its angle is termed _______?
flexion
Movement of the humerus straight anteriorly from any point in the sagittal plane is termed _______?
flexion
pronator quadratus action
forearm pronation
pronator teres action
forearm pronation, weak elbow flexion
supinator action
forearm supination
The wrist joint moves through the ____ plane about the _____ axis with ulnar and deviation?
frontal, sagittal
The interphalangeal joints are classified as _________?
ginglymus
The elbow joint is classified as a _____ joint that allows only flexion and extension?
hinge
Coracobrachialis action
horizontal adduction, diagonal adduction, flexion, abduction
deltoid posterior fibers origin
inferior edge of spine of scapula
Which of the following anatomical landmarks is located on the posterior surface of the scapula?
infraspinatus fossa
Movement of the humerus in the transverse plane medially around its long axis toward the midline is termed ___________________?
internal rotation
subscapularis action
internal rotation, adduction, extension
pectoralis major lower fibers action
internal rotation, horizontal adduction, diagonal adduction, *extension from flexed position, adduction*
pectoralis major upper fibers action
internal rotation, horizontal adduction, diagonal adduction, *flexion, abduction*
deltoid middle fibers origin
lateral aspect of acromion
extensor carpi radialis brevis origin
lateral epicondyle of humerus
extensor digiti minimi origin
lateral epicondyle of humerus
extensor digitorum origin
lateral epicondyle of humerus
Which of the following is considered to be an extrinsic glenohumeral muscle?
latissimus dorsi
subscapularis insertion
lesser tubercle of humerus
supraspinatus origin
medial 2/3 of supraspinous fossa
rhomboids insertion
medial border of scapula, inferior to scapular spine
levator scapulae insertion
medial border of the scapula from the - superior angle to the scapular spine
flexor carpi radialis origin
medial epicondyle of humerus
palmaris longus origin
medial epicondyle of humerus
flexor digitorum superficialis origin
medial epicondyle of humerus ULNAR HEAD: medial coronoid process RADIAL HEAD: upper 2/3 of anterior border of radius just distal to the radial tuberosity
flexor carpi ulnaris origin
medial epicondyle of humerus and posterior aspect of proximal ulna
pectoralis major upper fibers origin
medial half of anterior surface of clavicle
latissimus dorsi insertion
medial side of intertubercular groove of humerus, just anterior to the insertion of the teres major
pronator teres insertion
middle 1/3 of the lateral surface of the radius
triceps brachii (all heads) insertion
olecranon process of ulna
Movement of the thumb across the palmar aspect to oppose any or all of the phalanges is termed __________?
opposition
palmaris longus insertion
palmar aponeurosis of 2nd-5th metacarpals
The muscles that are included in the shoulder girdle group include all of the following except?
pectoralis major
Which of the following is not an intrinsic glenohumeral muscle?
pectoralis major
flexor carpi ulnaris insertion
pisiform, hamate, and base of the 5th metacarpal (palmar surface)
trapezius upper fibers insertion
posterior aspect of the lateral 3rd of the clavicle
abductor pollicis longus origin
posterior aspect of the radius and midshaft of the ulna
latissimus dorsi origin
posterior crest of ilium, back of sacrum and spinous processes of lumbar and lower six thoracic vertebrae, slips from lower three ribs
teres major origin
posteriorly on inferior third of lateral border of scapula and just superior to inferior angle
Internal rotary movement of the radius on the ulna that results in the hand moving from the palm-up to the palm-down position is termed _________?
pronation
When viewed from the anatomical position which of the following is located anterior surface of the arm?
pronator teres
The elbow may be thought of as two interrelated joints: the humeroulnar, and the ____________ joints?
radiohumeral
Which of the following is not a structure associated with the shoulder joint?
ribs
The only attachment of the shoulder joint to the axial skeleton is via the _______?
scapula
The two bones primarily involved in movements of the shoulder girdle are the clavicle and the _______?
scapula
Which of the following muscles is located most anteriorly on the human body?
serratus anterior
Which of the following muscles would best strengthened by the bench press exercise?
serratus anterior
trapezius middle fibers origin
spinous process of 7th cervical and upper 3 thoracic vertebrae
rhomboids origin
spinous processes of C7-T5
trapezius lower fibers origin
spinous processes of T4-T12
Which of the following muscles performs stabilization and protection of the sternoclavicular joint?
subclavius
Which of the following anatomical landmarks is located on the anterior surface of the scapula?
subscapular fossa
External rotary movement of the radius on the ulna that results in the hand moving from the palm-down to the palm-up position is termed _________?
supination
biceps brachii long head action
supination of the forearm, horizontal adduction of the shoulder joint, flexion of the elbow
Which of the following are not anterior muscles of the shoulder joint?
supraspinatus
serratus anterior origin
surface of the upper 9 ribs at the side of the chest
levator scapulae origin
transverse processes of C1-C4
Motions of the wrist joint include flexion, extension, abduction and adduction?
true
T/F: 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
T/F: Motion of the elbow primarily involves movement between articular surfaces of the humerus and ulna?
true
T/F: One of the functions of the supraspinatus muscle is to stabilize the humeral head in the glenoid fossa?
true
T/F: Supraspinatus action prevents superior translation of the humerus?
true
T/F: The agonist muscles that perform glenohumeral flexion are the anterior deltoid and the pectoralis major?
true
T/F: The distal attachments of the radioulnar joint muscles are located on the radius?
true
T/F: The extensor carpi ulnaris and flexor carpi ulnaris are the prime movers in ulnar deviation?
true
T/F: The interphalangeal joints may be actively flexed to a greater degree with the wrist in slight extension as opposed to full flexion?
true
T/F: The muscles that are considered to be the agonists of phalangeal flexion include flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus?
true
T/F: The only muscle involved in extending all of the metacarpophalangeal and interphalangeal joints of the four fingers is the extensor digitorum?
true
T/F: Ulnar flexion is movement of little finger side of hand toward medial aspect or ulnar side of the forearm?
true
T/F: When attempting extreme external rotation the total shoulder range of motion is enhanced by scapula adduction?
true
biceps brachii (both heads) insertion
tuberosity of the radius and bicipital aponeurosis(lacertus fibrosis)
Movement of the little finger side of the hand toward the medial aspect or ulnar side of the forearm is termed _____________?
ulnar flexion
triceps brachii lateral head origin
upper half of the posterior surface of the humerus
Raising the humerus high out to the side to ask a question involves which of the following motions?
upward rotation
biceps brachii short head action
weak flexion of the shoulder joint, weak abduction of the shoulder joint
extensor carpi radialis brevis action
wrist extension, wrist abduction, weak elbow flexion
extensor carpi radialis longus action
wrist extension, wrist abduction, weak elbow flexion, weak pronation
extensor carpi ulnaris action
wrist extension, wrist adduction, weak elbow extension
flexor carpi radialis action
wrist flexion, wrist abduction, weak elbow flexion, weak forearm pronation
flexor carpi ulnaris action
wrist flexion, wrist adduction, weak elbow flexion