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Shoulder "separations" occur at the acromioclavicular (AC) joint.
true or false
true
The annular ligament attaches to the medial epicondyle of the humerus.
true or false
false
The two bones that make up the shoulder girdle, connecting the humerus of the upper extremity to the axial skeleton at the manubrium, include the scapula and the _____.
clavicle
This bone has a capitulum, trochlea, deltoid tuberosity and radial groove.
humerus
ulna
radius
femur
humerus
Which bone has an acromion, coracoid process, and glenoid fossa?
atlas
scapula
humerus
sternum
scapula
Capitulum of humerus articulates with trochlear notch of ulna.
true or false
false
Which two carpals articulate with the distal radius?
Choose BOTH that apply!
trapezium
hamate
pisiform
triquetrum
scaphoid
lunate
scaphoid
lunate
Pisiform bone in the wrist can be found deep to the snuffbox.
true or false
false
The bones of the digits are called proximal, middle, and distal _____
phalanges
The head of radius articulates with the
trochlea
capitulum
olecranon fossa
coronoid fossa
capitulum
The glenoid labrum
deepens the socket for the head of humerus
forms a bridge between coracoid and acromion to reinforce the shoulder joint superiorly
holds the tendon of long head of biceps brachii in place
reduces friction between rotator cuff muscles as they pass around the acromion and scapula
deepens the socket for the head of humerus
Whose head do you find at the distal radioulnar joint?
head of radius
head of lettuce
head of ulna
head of humerus
head of ulna
Which fossa is located on the posterior, distal humerus?
dental flossa
radial fossa
coranoid fossa
glenoid fossa
olecranon fossa
olecranon fossa
The head of the humerus articulates with the ___ ___ of the scapula.
inferior angle
supraspinous fossa
suprascapular notch
glenoid fossa
glenoid fossa
Where is the olecranon process?
proximal ulna
scapula
distal radius
distal humerus
proximal ulna
The proximal radioulnar joint is considered a part of the elbow joint (it lies within the joint capsule).
true or false
true
The radiocarpal joint occurs between radius and
trapezium and trapezoid
triquetrum and pisiform
scaphoid and lunate
pisiform and hamate
scaphoid and lunate
Radioulnar joints function in
pronation & supination
medial (internal) & lateral (external) rotation
flexion & extension
protraction & retraction
abduction & adduction
pronation and supination
Head of radius
articulates with trochlea
articulates with scaphoid and lunate
articulates with capitulum
is the distal part of radius
articulates with capitulum
The most lateral end of the spine of the scapula forms the ___.
acromion
Supraspinous fossa is superior to infraspinous fossa.
true or false
true
Shoulder dislocation occurs at
a hinge joint
glenohumeral joint
sternoclavicular joint
acromioclavicular joint
glenohumeral joint
The anterior depression between forearm and arm is called the
infraspinous fossa
glenoid fossa
cubital fossa
supraspinous fossa
cubital fossa
The ulna is on the
pinky side
thumb side
pinky side
the antebrachial region is proximal to the brachial region
true or false
false
If you palpate deep in the anatomical snuffbox, what bone will you feel?
scaphoid
lateral epicondyle
head of radius
pisiform
head of ulna
scaphoid
Which muscle forms the lateral border of the cubital fossa?
pronator teres
pronator quadratus
coracobrachialis
brachioradialis
lateral head of triceps brachii
brachioradialis
Short head of biceps brachii attaches to
coracoid process
supraglenoid (superior glenoid) tubercle
olecranon process
infraglenoid (inferior glenoid) tubercle
acromion (acromial process)
coracoid process
The lateral end of the clavicle articulates with the
acromion
manubrium
subscapular fossa
suprascapular notch
spinoglenoid notch
acromion
The capitulum
is a feature of the proximal humerus
is located between the trapezium and hamate
is larger than the lowercasulum
is lateral to the trochlea
articulates with the head of ulna
is lateral to the trochlea
A bony process of the proximal ulna
olecranon process
coracoid process
mastoid process
spinous process
styloid process
olecranon process
Following a fall-on-outstretched-hand, a Colle's fracture is a break in the
distal radius
first metacarpal
mid clavicle
surgical neck humerus
acromioclavicular (AC) joint
distal radius
The ulnar notch of radius forms part of the distal radioulnar joint.
true or false
true
At the radiocarpal joint, the distal radius articulates most directly with the
capitate and hamate
scaphoid and lunate
triquetrum and pisiform
trapezium and trapezoid
scaphoid and lunate
The ulnar nerve passes through the carpal tunnel.
true or false
false
Shoulder separations occur at the
carpometacarpal joint
glenohumeral joint
acromioclavicular joint
sternoclavicular joint
proximal interphalangeal joint
acromioclavicular joint
The ____ ligament holds the tendon of long head biceps brachii within the bicipital (intertubercular) groove.
humeral collateral
glenohumeral
transverse humeral
coracohumeral
suprascapular
transverse humeral
Based on your knowledge of muscle location, the subacromial bursa is potentially most important in reducing friction due to movement (contraction) of which of these muscles?
subscapularis
long head triceps brachii
trapezius
teres minor
supraspinatus
supraspinatus
The elbow is a hinge joint with only flexion and extension allowed, which ligament prevents ABduction of the forearm at the elbow?
radial collateral ligament
ulnar collateral ligament
ulnar collateral ligament
The anular ligament plays an important role in which one of these movements?
aDduction
aBduction
pronation
extension
flexion
pronation
The trochlear notch is a bony feature of the
humerus
manubrium
radius
scapula
ulna
ulna
Muscle that attaches to the lesser tubercle (lesser tuberosity).
supraspinatus
piriformis
iliopsoas
subscapularis
brachialis
subscapularis
The anular ligament holds the ____ in place.
head of the femur
head of ulna
head of the radius
head of the humerus
head of the fibula
head of the radius
The bone that articulates with the manubrium.
scapula
radius
clavicle
femur
clavicle
In anatomical position, the lateral bone of the forearm is the radius.
true or false
true
How many phalanges do you have in your hand?
14
Bursae are synovial sacs that reduce friction between muscles, and muscle and bone, associated with joint movement.
true or false
true
Shoulder dislocations occur at the acromioclavicular (AC) joint.
true or false
false
Which of these ligaments is associated with the shoulder joint?
glenohumeral ligament
ischiofemoral ligament
anular ligament
deltoid ligamen
glenohumeral ligament
The part of the humerus that articulates with the head of the radius.
head of humerus
olecranon fossa
trochlea
capitulum
capitulum
The scaphoid and lunate articulate with the
ulna
metacarpals
phalanges
radius
radius
ALL of the following bones have a styloid process, EXCEPT:
ulna
scapula
temporal bone
radius
scapula
The thumb has a proximal, middle, and distal phalanx (3 phalanges).
true or false
false
This bone has a trochlear notch, coronoid process and olecranon.
humerus
scapula
ulna
radius
ulna
The scapula has
a head and greater trochanter
a greater tubercle and olecranon fossa
an acromion and coracoid process
an acetabulum and ischial tuberosity
an acromion and coracoid process
General action of muscles of the anterior compartment of the arm
extend forearm at elbow
flex hand and digits at wrist
flex forearm at elbow
extend hand and digits at wrist
flex forearm at elbow
Nerve that innervates anterior compartment of the arm.
radial
musculocutaneous
ulnar
medial
musculocutaneous
Within the axilla, which muscle(s) attach to the coracoid process?
More than one answer may be correct, choose all that apply
short head of biceps brachii
serratus anterior
pectoralis minor
coracobrachialis
pectoralis major
short head of biceps brachii
pectoralis minor
coracobrachialis
This superficial back muscle is innervated by the Accessory nerve (CN XI) and helps shrug the shoulders.
latissimus dorsi
rhomboid major
trapezius
teres major
trapezius
Long head of biceps brachii
attaches to coracoid process
is innervated in part by axillary nerve
tendon travels in bicipital groove
recieves blood supply primarily from profunda brachii
tendon travels in bicipital groove
What is true about the brachioradialis muscle?
it extends the forearm and pronates the hand
it arises from the medial epicondyle of humerus
ulnar nerve travels deep to this muscle
innervation is by radial nerve
innervation is by radial nerve
Brachioradialis can flex the forearm at the elbow.
true or false
true
Pectoralis minor
is pierced by lateral pectoral nerve
adducts, flexes and medially rotates the arm
attaches to coracoid process
marks the location of the roots of the brachial plexus
attaches to coracoid process
Coracobrachialis can flex the forearm at the elbow.
true or false
false
Deep extensors of the posterior forearm are innervated by the superficial branch of radial nerve.
true or false
false
Which of these muscles flexes the DIPS?
lumbricals
flexor digitorum superficialis
dorsal interossei
flexor digitorum profundus
flexor digitorum profundus
Dorsal interossei
ADduct the fingers
extend the fingers
flex the fingers
ABduct the fingers
aBduct the fingers
Muscle that extends the forearm at the elbow.
triceps
Generally, superficial muscles (extensors) in the posterior forearm attach to the lateral epicondyle of humerus.
true or false
true
Flexor carpi radialis
extends hand at wrist
most medial tendon in the wrist
attaches to coronoid process of ulna
is innervated by median nerve
is innervated by median nerve
Flexor carpi ulnaris
flexes and adducts hand at wrist
is innervated by median nerve
attaches to lateral epicondyle humerus
is the most lateral tendon in the wrist
flexes and adducts hand at wrist
Medial half of flexor digitorum profundus is innervated by ulnar nerve.
true or false
true
Flexor digitorum profundus attaches to the base of ___
middle phalanges
proximal phalanges
metacarpals
distal phalanges
distal phalanges
Flexor pollicis longus is innervated by
anterior interosseous (branch of median n.)
superficial branch of radial n.
ulnar n.
deep branch of radial n.
anterior interosseous (branch of median n.)
Greater tubercle of humerus is an attachment point for
pectoralis minor, coracobrachialis, short head biceps
SIT supraspinatus, infraspinatous, teres minor
pronator teres, flexor carpi radialis, palmaris longus
pectoralis major, latissimus dorsi, teres major
SIT supraspinatus, infraspinatous, teres minor
Palmar interossei muscles adduct the fingers.
true or false
true
All of the intrinsic muscles of the hand, except for the 1/2 LOAF, are innervated by ___ nerve.
anterior interosseous branch of median nerve
deep branch of ulnar nerve
deep branch of radial nerve
superficial branch of radial nerve
deep branch of ulnar nerve
The levator scapulae
attach to the acromion of the scapula
are innervated by the accessory nerve (CNXI)
are innervated by ventral rami C3, C4, C5 (and dorsal scapular n.)
adduct, extend, and medially rotate the humerus
are innervated by ventral rami C3, C4, C5 (and dorsal scapular n.)
The "little helper" of latissimus dorsi; both muscles have the same actions.
pectoralis minor
infraspinatous
pectoralis major
teres major
teres minor
supraspinatous
teres major
Long thoracic nerve innervates
levator scapula
latissimus dorsi
serratus anterior
pectoralis minor
subscapularis
serratus anterior
The tendon of the long head of the triceps attaches to the
infraglenoid tubercle
spine of scapula
supraglenoid tubercle
greater tubercle
infraglenoid tubercle
Palmaris longus (when present) flexes the hand at the wrist.
true or false
true
The primary nerve innervating posterior arm and posterior forearm is the ___ nerve
radiul
Which is more distal in the forearm?
pronator quadratus
pronator teres
pronator quadratus
Pronator teres attaches to...
More than one correct answer, choose all that apply!
coronoid process ulna
lateral epicondyle humerus
olecranon process ulna
mid-lateral radius
medial epicondyle humerus
coronoid process ulna
mid-lateral radius
medial epicondyle humerus
The borders of the quadrangular space include teres minor, teres major, long head of triceps, and ___
superior angle of scapula
capitulum of humerus
acromion of scapula
surgical neck of humerus
surgical neck of humerus
The lateral epicondyle is a landmark for
flexors in the anterior arm
extensors in the posterior forearm
extensors in the posterior forearm
Medial half of flexor digitorum superficialis is innervated by ulnar nerve.
true or false
false
Which muscles attach to the medial border of the scapula?
rectus capitis major and minor
rhomboid major and minor
C# major and minor
teres major and minor
rhomboid major and minor
Which muscle is a lateral (external) rotator of the arm at the shoulder joint?
teres major
supraspinatous
latissimus dorsi
teres minor
teres minor
Teres minor is located inferiorly to teres major.
true or false
false
Teres major is innervated by the
axillary nerve
radial nerve
suprascapular nerve
lower subscapular nerve
lower subscapular nerve
This back muscle is innervated by the Accessory nerve (CN XI) and helps shrug the shoulders.
teres major
latissimus dorsi
rhomboid major
trapezius
trapezius
Which muscle(s) adduct the shoulder?
More than one correct answer possible, choose all that apply!
supraspinatous
teres minor
teres major
latissimus dorsi
pectoralis major
teres minor
teres major
latissimus dorsi
pectoralis major
Choose the three components of the anatomical snuffbox.
flexor pollicis brevis
abductor pollicis brevis
abductor pollicis longus
opponens pollicis
adductor pollicis
extensor pollicis longus
extensor pollicis brevis
flexor pollicis longus
abductor pollicis longus
extensor pollicis longus
extensor pollicis brevis
Latissimus dorsi acts to adduct, extend, and medially rotate the arm at the shoulder.
true or false
true
Which muscle extends and ABducts the wrist?
extensor carpi ulnaris
brachioradialis
extensor carpi radialis longus
pronator quadratus
extensor carpi radialis longus
Supinator of course supinates the forearm, but what is the most powerful supinator muscle?
biceps
Which is more medial?
bicipital aponeurosis
biceps tendon to radial tuberosity
bicipital aponeurosis
Flexors of the forearm generally attach to the lateral epicondyle of humerus.
true or false
false