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Upper Limbs
Exercise Science MuscSkel
238
Anatomy
Undergraduate 1
03/23/2009

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Cards

Term
what muscle inserts at the deltoid tuberosity on the humerus
Definition
the deltoid
Term
Teres major is what type of muscle?
Definition
fusiform, quadrate
Term
What is the action of pronator quadratus
Definition
pronation of the forearm
Term
the shoulder socket is also known as the
Definition
glenoid fossa
Term
What is the main action of the anterior forearm muscles
Definition
flexion, movement of wrist and fingers
Term
Divisions in the brachial plexus form what
Definition
cords
Term
the rhomboids are __________ in relation to lats and traps
Definition
the are deep
Term
Teres major is _______________ to teres minor
Definition
It's inferior
Term
What muscle is considered the "pure flexor"
Definition
brachiallis
Term
What muscle flexes digits 2, 3, 4 and 5
Definition
flexor digitorum superficialis
Term
What muscles action is to supinate the forearm
Definition
supinator
Term
Where does the biceps brachii insert
Definition
radial tuberosity
Term
The annular ligament originates from
Definition
the anterior surface of the ulna
Term
Action of the anterior deltoid
Definition
shoulder flexion
Term
What is the origin of teres minor?
Definition
lower infraspinous fossa
Term
Which roots supply the median nerve
Definition
ALL
Term
Where does flexor digitorum profundus insert
Definition
base of the 4 and 5 phalanges
Term
These are the actions of what muscle shoulder extension, shoulder AD-duction and some internal rotation
Definition
teres major
Term
Where does the brachialradialis insert
Definition
styloid process
Term
These are what in the brachial plexus, medial, posterior and lateral
Definition
they are cords
Term
What is the origin of the radial collateral ligament
Definition
lateral humeral epicondyle
Term
What is the only rotator cuff muscle that doesn't insert at the greater tubercle of the humerus
Definition
the subscapularis, it inserts at the lesser tubercle of the humerus
Term
Winging of the scapula is a result of what muscles being weak?
Definition
serratus anterior and pectoralis minor
Term
When flexing and extending at the elbow, what bone is moving?
Definition
only the ulna
Term
Structures involved with impingement syndrome are
Definition
subacromial bursa, longhead of the biceps, supraspinatus tendon
Term
What muscle depresses the scapula
Definition
the 4th portion of the trapezius
Term
The insertion of the 3rd portion of the trapezius is
Definition
scapular spine
Term
What is the insertion of pectoralis minor
Definition
coracoid process
Term
What is the action of the coracobrachiallis
Definition
forearm flexion and shoulder AD-duction
Term
ulna is what to the radius, medial or lateral
Definition
medial to the radius, pinky finger side, ulna is underneath the radius
Term
The triceps action is what
Definition
elbow extension, the long head resists humeral dislocation during AB-duction
Term
What is the origin of the coracobrachiallis
Definition
coracoid process
Term
medial humeral condyle is known as
Definition
trochlea
Term
Trapezius muscle action is to_____________
Definition
controls movement of the scapula
Term
What exercises would work the trapezius
Definition
shrugs, dips, controlled dips/shrugs would work lower, rows would work third portion
Term
The long head of the biceps brachii is more medial or lateral
Definition
more lateral
Term
Where does teres minor insert
Definition
greater tuberosity
Term
rotator cuff muscles are worked in what position
Definition
thumbs up/thumbs down
Term
the ulna is bigger
Definition
proximally
Term
What three muscles insert at the intertubercle groove
Definition
Latissimus dorsi, pectoralis major and teres major
Term
What is the origin of pectoralis minor
Definition
ribs 3-5
Term
What exercises would work the deltoids
Definition
upright rows, lateral raises, front raises, flies
Term
What is the origination of rhomboid major
Definition
T2-T5 spinous processes
Term
What is the action of the subscapularis muscle
Definition
shoulder internal rotation
Term
What joint is the articular disc found at?
Definition
The sternoclavicular joint (SC)
Term
Where does the rhomboid minor insert
Definition
medial scapular border
Term
what muscle's action is prontation of the forearm
Definition
pronator teres
Term
Where does the biceps brachii short head originate
Definition
coracoid process
Term
The long thoracic nerve innervates what
Definition
serratus anterior
Term
What is the origin of extensor carpi ulnaris
Definition
lateral epicondyle of humerus
Term
What exercise works the latissimus dorsi
Definition
lat pull-downs, only in front of the head, behind is too much stress on GH joint
Term
when injuring the plexus, the nerves are being
Definition
stretched or compressed
Term
What direction does pronator teres run
Definition
medial to lateral
Term
What muscle originates from the upper t-spine
Definition
3rd portion of the trapezius
Term
What are the trunks of the brachial plexus
Definition
superior, inferior and middle
Term
Depression of the scapula and lateral flexion of the head to the opposite side would
Definition
stretch the plexus on the same side of the injury or compress the plexus on the opposite side
Term
Glenohumeral joint is what kind of joint
Definition
multi-axial, ball and socket, synovial joint, the most mobile joint of the body
Term
What is the origin of the supinator muscle
Definition
lateral humeral epicondyle
Term
Action of the posterior deltoid
Definition
shoulder extension
Term
Where does the flexor digitorum profundus originate
Definition
three quarters of anterior surface of the ulna
Term
lateral humeral condyle is known as
Definition
capitulum
Term
what ligaments are found at the glenohumeral joint?
Definition
the capsular ligament, it's loose, twice the size of the humeral head
Term
What is the action of extensor digiti minimi
Definition
extension of the pinky finger
Term
What is the landmark that the long head of the biceps runs through
Definition
the intertubercle groove on the lateral aspect of the humerus
Term
if you have numbness or palsy in skin of digits 2,3 and half of 4, which nerve is injured
Definition
median nerve
Term
Besides rhomboid major/minor, what other muscle retracts the scapula
Definition
Trapezius, third portion
Term
the head of the ulna fits into the ___________ notch on the ____________
Definition
ulnar notch on the radius(distal)
Term
Where does the brachialradialis originate
Definition
proximal 2/3 of superepicondylar ridge of the humerus
Term
What is the insertion of the extensor digitorum
Definition
medial four fingers
Term
The origin of palmaris longus is
Definition
medial epicondyle of the humerus
Term
What three muscles perform wrist flexion
Definition
palmaris longus, flexor carpi ulnaris and flexor carpi radialis
Term
The head of the ulna is on which end, proximal or distal
Definition
it's on the distal end of the bone
Term
ulnar fossa is also known as
Definition
coronoid fossa
Term
What muscle does the musculocutaneous nerve innervate
Definition
coracobrachiallis, biceps and brachialis
Term
Where does the ulnar collateral ligament insert
Definition
coronoid process and olecranon
Term
What is the origin of both flexor carpi ulnaris and flexor carpi radialis
Definition
humeral medial epicondyle
Term
What injury occurs at the acromioclavicular (AC) joint?
Definition
Shoulder separation
Term
The axillary nerve emerges from what
Definition
the posterior cord
Term
What is the origin of extensor digitorum
Definition
lateral humeral epicondyle
Term
Where does the flexor carpi ulnaris insert
Definition
pisiform
Term
During pronation and supination, which bone is revolving?
Definition
Radius revolves around the ulna
Term
The 1st section of the trapezius originates at
Definition
base of the skull
Term
Injury to the long thoracic nerve can cause what?
Definition
scapular winging
Term
What is the action of the teres major muscle
Definition
shoulder extension, shoulder AD-duction, some internal rotation
Term
The musculocutaneous nerve emerges from what
Definition
the lateral cord
Term
Clavicle is most commonly broken at what section?
Definition
the midclavicular, it's the weakest aspect
Term
What rotator cuff muscle(s) action is shoulder external rotation
Definition
infraspinatus and teres minor
Term
Where does flexor digitorum superficialis originate
Definition
medial humeral epicondyle
Term
All the rotator cuff muscles and what else, holds the humeral head in the socket
Definition
triceps muscles
Term
What is the action of the latissimus dorsi
Definition
shoulder extension, shoulder AD-duction, shoulder internal rotation
Term
Where does the latissimus dorsi insert?
Definition
Intertubercle groove
Term
What four muscles make up the rotator cuff?
Definition
supraspinatus, infraspinatus, teres minor and subscapularis
Term
Most superficial muscles of the back are
Definition
latissimus dorsi and trapezius
Term
What muscle originates at the infraspinous fossa
Definition
infraspinatus
Term
Where does the flexor carpi radialis insert
Definition
base of the 2nd metacarpal
Term
What is the tendon which runs across the anterior elbow
Definition
common flexor tendon
Term
What is the action of rhomboid major
Definition
scapular retraction
Term
There are anterior and posterior ________________ in the brachial plexus
Definition
divisions
Term
What ligament holds the biceps tendon in the intertubercle groove
Definition
transverse humeral ligament
Term
What muscle's action is flexion of the hand
Definition
palmaris longus
Term
What is the labrum at the glenohumeral joint?
Definition
the glenoid labrum
Term
Where does the levator scapulae muscle insert
Definition
superior angle of the scapula
Term
Which roots supply the axillary nerve
Definition
C5 and C6
Term
The action of the 3rd section of the trapezius is
Definition
scapular retraction - because it inserts at scapular spine
Term
The roots of the brachial plexus emerge from
Definition
scalene hiatus
Term
Three ways to determine if ulna and radius are left or right?
Definition
location of the interosseus ridge, the radial and ulnar notch and the styloid process
Term
The olecranon process is on which bone
Definition
it's on the posterior of the ulna, it is the point of your elbow
Term
The medial cord supplies what nerves
Definition
ulnar and median
Term
What is the function of the radial collateral ligament
Definition
prevent varus stress
Term
Where does the 2nd section of the trapezius originate
Definition
cervical vertebra
Term
Why is shoulder less stable than the hip
Definition
the glenoid fossa is much more shallow than the acetabular fossa
Term
What ligaments are found at the acromioclavicular joint
Definition
Conoid ligament and Trapezoid ligament
Term
What muscles of the rotator cuff internally rotate the shoulder?
Definition
subscapularis and the supraspinatus
Term
What is the action of the biceps brachii
Definition
supination and elbow flexion
Term
Where does flexor digitorum superficialis insert
Definition
shaft of middle digits of medial 4 fingers
Term
An injury at the AC joint of 2 ligaments is known as what?
Definition
second degree sprain, three would be third degree
Term
Which roots supply the musculocutaneous nerve
Definition
C5,. C6 and C7
Term
What is the action of the supraspinatus
Definition
shoulder AB-duction(in 45 degrees of horizontal AD-duction) and shoulder internal rotation
Term
What muscle does the median nerve innervate
Definition
forearm flexors except those supplied by ulnar nerve
Term
The axillary nerve innervates what muscles
Definition
teres minor, deltoid, shoulder joint and skin over the deltoid
Term
What two ligaments are known as the coracoclavicular ligaments?
Definition
The trapezoid, it's anterior/longer/lateral and the conoid which is shorter/medial
Term
radius is what to the ulna, medial or lateral
Definition
lateral to the ulna, thumb side
Term
The origin of the pronator quadratus is
Definition
distal quarter of anterior surface of the ulna
Term
the head of the radius fits into the ___________ notch on the _____________
Definition
radial notch on the ulna(proximal)
Term
What is the origin of the middle deltoid
Definition
border of the acromion
Term
What exercises would work rhomboid major
Definition
rows, seated cable rows, high cable rows
Term
The triceps have what three heads
Definition
lateral, medial and long head
Term
The action of what muscle is horizontal AD-Duction and some shoulder flexion
Definition
pectoralis major
Term
What is the origin of teres major
Definition
inferior angle of the scapula
Term
Action of the middle deltoid
Definition
shoulder AB-duction
Term
Symptoms of impingement syndrome
Definition
numbness, tingling, radiating pain, cannot sleep on it, weakness
Term
The origin of the medial head of the triceps is what
Definition
posterior surface of humerus, inferior to radial groove
Term
What muscle inserts at the inferior scapular spine
Definition
the 4th portion of the trapezius
Term
The action of this ligament is to hold radius in the radial notch
Definition
the annular ligament
Term
What muscle flexes and AB-ducts the hand
Definition
flexor carpi radialis
Term
What is the action of the levator scapulae
Definition
elevate the scapula
Term
What does the ulnar nerve supply?
Definition
flexor carpi ulnaris, 1/2 flexor digitorum profundus, skin of digits half of 4 and all of 5
Term
What splits teres minor and teres major?
Definition
the long head of the triceps
Term
What muscle originates at inner half of clavicle, ribs and sternum
Definition
pectoralis major
Term
What injury occurs at the glenohumeral joint?
Definition
shoulder dislocation, labrum can also be torn
Term
What exercises would work rhomboid minor
Definition
rows, low cable rows
Term
What muscle flexes and AD-ducts the hand
Definition
flexor carpi ulnaris
Term
The medial cord supplies which nerve
Definition
the ulnar nerve
Term
What is the action of pectoralis minor
Definition
tilts or pulls the scapula away from the thorax
Term
Palmaris longus inserts where
Definition
distal half of flexor retinaculum
Term
What is the insertion of teres major
Definition
intertubercle groove
Term
What muscle inserts at the superior aspect of the clavicle
Definition
the 1st section of the trapezius
Term
Which sections of the trapezius elevate the scapula
Definition
1st and 2nd portions of the trapezius
Term
What ligaments are found at the scapulathoracic joint?
Definition
None because otherwise the scapula could not rotate
Term
What is the insertion of the supinator muscle
Definition
proximal 3rd of the radius
Term
if you have weakness in flexor carpi ulnaris muscles, what nerves are injured
Definition
ulnar nerve
Term
What is the action of the ulnar collateral ligament
Definition
prevent valgus stress
Term
Which is more inferior on the scapula, rhomboid major or rhomboid minor?
Definition
rhomboid major
Term
What exercise works serratus anterior
Definition
punches, explosive push ups and full ROM bench press, cable punches
Term
What is the origin of the posterior deltoid
Definition
scapular spine
Term
Head of the humerus articulates with?
Definition
the head of the humerus sits in the glenoid cavity
Term
What is the insertion of extensor carpi ulnaris
Definition
base of 5th metacarpal
Term
What is the insertion of the radial collateral ligament
Definition
annular ligament
Term
The radial nerve emerges from what in the brachial plexus
Definition
the posterior cord
Term
The head of the ulna is on the proximal or distal end
Definition
distal end
Term
The origin of the lateral head of the triceps is what
Definition
posterior surface of humerus, superior to radial groove
Term
Frozen shoulder is caused when
Definition
the scapula doesn't rotate - could be nerve or musculoskeletal
Term
The lateral collateral ligaments prevent varus or valgus stress
Definition
prevent varus stress
Term
What nerve innervates forearm extensors, brachioradialis, skin of posterior arm, forearm and thumb
Definition
radial nerve
Term
What muscle inserts at the posterior aspect of the clavicle
Definition
subclavius
Term
What is the insertion of the pronator teres
Definition
lateral surface of the radius
Term
Injury to brachial plexus can cause muscle to be
Definition
weak or not function at all depending on what part of the plexus is injured
Term
the origin of serratus anterior is
Definition
ribs 1-8
Term
The insertion of the annular ligament is
Definition
posterior surface of the ulna
Term
What are the two finger flexor muscles
Definition
flexor digitorum superficialis and flexor digitorum profundus
Term
the radius is bigger
Definition
distally
Term
The long thoracic nerve originates from
Definition
C5, C6 and C7
Term
the subscapular fossa is on the anterior or posterior of the scapula
Definition
it's on the anterior aspect
Term
What is the insertion of pectoralis major
Definition
intertubercle groove
Term
Which roots supply the ulnar nerve
Definition
C7, C8 and T1
Term
What is the action of the extensor digitorum
Definition
extension of medial four fingers
Term
What muscle originates from the C1-C4 transverse processes
Definition
levator scapulae
Term
In the brachial plexus, what do trunks form
Definition
trunks form divisions
Term
What muscle originates at the lower T-Spine
Definition
4th section of the trapezius
Term
What ligament is found at the humeroulnar joint?
Definition
ulnar collateral ligament
Term
What is the origin of the brachiallis
Definition
anterior humerus
Term
what type of actions cause rotator cuff injuries
Definition
internal rotation, repetetive stress, external rotation?
Term
What are the roots of the brachial plexus
Definition
C5, 6, 7, 8 and T1
Term
What is the action of brachialradialis
Definition
weak flexion of the elbow, strongest when pronated or supinated
Term
The 2nd section of the trapezius inserts at
Definition
acromion
Term
The fossas above the scapular spine and below the scapular spine is
Definition
The supraspinous above and infraspinous below
Term
What is the insertion of pronator quadratus
Definition
distal quarter of anterior surface of the radius
Term
What is the action of serratus anterior
Definition
scapular protraction
Term
The head of the radius is on which end, proximal or distal
Definition
proximal, it is rounded and articulates with the capitulum of the humerus
Term
What is the action of infraspinatus
Definition
shoulder external rotation
Term
In the arm, where is the styloid process
Definition
there are two, one on the radius(lateral side of the bone) and one on the ulna(medial side of the bone)
Term
What exercises would work the levator scapulae
Definition
shrugs, chinups
Term
What anterior forearm muscle inserts at the pisiform
Definition
flexor carpi ulnaris
Term
What is the origination of rhomboid minor
Definition
C7-T1 spinous processes
Term
What muscles of the rotator cuff externally rotate the shoulder
Definition
teres minor and infraspinatus
Term
what muscle in the arm inserts at the coronoid process
Definition
coracobrachiallis and the brachiallis
Term
The trochlear notch is found on what bone
Definition
it's on the ulna, a c-shaped depression, it fits on the trochlea of the humerus
Term
The tendons of flexor digitorum superficialis run through what
Definition
carpal tunnel
Term
What is the origin of the pronator teres
Definition
coronoid process
Term
The posterior cord supplies what nerves
Definition
axillary and radial nerve
Term
where is the annular ligament located
Definition
at the proximal radial/ulnar joint
Term
the humerus is bigger
Definition
distally
Term
The axillary nerve exits into what
Definition
quadrangular space
Term
The action of rhomboid minor is
Definition
scapular retraction
Term
What is the action of flexor digitorum profundus
Definition
flex digits 4 and 5
Term
What is the insertion of rhomboid major
Definition
vertebral border of the scapula
Term
Epiphysial plate injuries occur because________________
Definition
It's the last to close in the growth cycle
Term
All three heads of the triceps insert where?
Definition
olecranon process of the ulna
Term
Where is the coronoid process
Definition
it's anterior on the ulna
Term
The roots of the plexus emerge __________ in relation to the vertebral body
Definition
they emerge inferior to the corresponding vertebral body which is why you have C8
Term
What two ligaments attach at the coracoid process
Definition
coracoacromial ligament and the coracoclavicular ligaments (trapezoid and conoid)
Term
What is the origin of the ulnar collateral ligament
Definition
medial humeral epicondyle
Term
How many bands in the ulnar collateral ligament
Definition
3 - anterior is strongest, posterior is weakest and transverse/oblique stabilizes trochlea in notch
Term
What is the origin of the anterior deltoid
Definition
lateral 1/3 of the clavicle
Term
scapular rhythm
Definition
every 3 degrees of shoulder ab-duction, you have 1 degree of scapular rotation
Term
The medial collateral ligaments prevent varus or valgus stress
Definition
resist valgus stress
Term
The acromion is______________ in relation to the coracoid process
Definition
It is lateral and superior
Term
What is the action of teres minor
Definition
shoulder external rotation
Term
What is the most common muscle involved in rotator cuff injuries
Definition
supraspinatus
Term
What joint are the coracoclavicular ligaments located at?
Definition
The AC joint
Term
what muscle of the rotator cuff runs in the subacromial space
Definition
supraspinatus
Term
What cords form the median nerve
Definition
lateral and medial cords
Term
What two muscles' action is wrist extension
Definition
extensor carpi radialis and extensor carpi ulnaris
Term
How many ligaments are found at the sternoclavicular joint (SC)
Definition
two, the anterior and posterior sternoclavicular ligaments
Term
What muscle pulls the _______ end of the clavicle up when it's broken
Definition
the sternocleidomastoid muscle pulls the medial end of the clavicle up and trapezius is not strong enough to support the limb resulting in shoulder drop
Term
The origin of the long head of the triceps is what
Definition
infraglenoid tubercle
Term
The pronator quadratus is what in relation to the other anterior forearm muscles
Definition
it is deep
Term
Two parts of the clavicle
Definition
sternal end and acromial end
Term
What muscle inserts at the subscapular fossa (anterior surface of medial border)
Definition
serratus anterior
Term
What three ligaments are found at the AC joint?
Definition
Trapezoid/Conoid (Coracoclavicular) and the acromioclavicular ligament
Term
What ligament is found at the humeroradial joint
Definition
the radial collateral ligament
Term
Which roots supply the radial nerve
Definition
ALL
Term
The lateral cord supplies what nerves
Definition
musculocutaneous and median nerve
Term
What muscles control action of the thumb
Definition
extensor pollicis longus, flexor pollicis longus and ab-ductor pollicis longus
Term
What is the origin of extensor carpi radialis
Definition
lateral epicondyle of humerus
Term
What muscle originates from T6-T12, last 3-4 ribs and posterior illiac crest
Definition
The latissimus dorsi
Term
What is the insertion of extensor carpi radialis
Definition
base of 3rd metacarpal
Term
What occurs at the radial/ulnar joint?
Definition
pronation and supination
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