Upper extremity joints and stuff

ethan1's version from 2017-08-15 21:50

glenohumeral joint

Question Answer
what's another name for the shoulder girdlepectoral girdle
what bones are in the shoulder girdle scapula and clavicle
another name for the shoulder jointglenohumeral joint
joint structure of the glenohumeral jointsynovial, ball and socket
joint function of the glenohumeral jointdiarthrotic, triaxial
what are the reverse actions of the scapula at the Glenohumeral jointupward and downward rotation
how many ligaments are there on the GH joint3, the superior, middle and inferior glenohumeral ligaments
what's the weak spot between the superior and middle GH ligaments calledforamen of Weitbrecht
what's the ligament between the greater tubercle and the coracoid process calledCoracohumeral ligament
what's the closed packed postion of the GH jointlateral rotation and abduction
flexors that cross the GH anteriorlyanterior deltoid, pectoralis major, coracobrachialis and triceps brachii
extensors that cross the GH posteriorlyposterior deltoid, latissimus dorsi, teres major, long head of the triceps brachii
abductors that cross the GH superiorlydeltoid and supraspinatus
adductors that cross the GH anteriorly, posteriorlypectoralis major, latissimus dorsi and teres major
the cartilage that forms a lip around the GH is calledglenoid labrum
the bursa between the rotator cuff tendon and the acromion is subacromial bursa
another name for the subacromial bursa is the subdeltoid bursa
the acromion process and what ligament form the top of the GH capsulecoracoacromial ligament

scapulocostal joint

Question Answer
What bones are in the scapulocostal jointscapula and ribcage
where is the scapula on the rib cage when prone with arms off the tableprotracted and upwardly rotated
where is the scapula on the rib cage normally2nd - 7th ribs
what kind of joint is the scapulocostalfunctional
what other joints have to move for the scapulocostal joint to movesternoclavicular and acromioclavicular
what are the primary, non-axial motions of the scapulaelevation/depression; protraction/retraction
the normal tilt for a scapuladownward and medial
which way is the scapula tilted if it's winginglateral
what action of the scapula is needed to get the trunk further from the floor at the end of a push upprotraction by the serratus anterior pulling on the trunk
primary elevators of the scapulalevator scapula, upper trapezius
primary depressors of the scapulalower traps
protractors of the scapulaserratus anterior, pectoralis minor
primary retractors of the scapula rhomboids
upward rotators of the scapulaserratus anterior, upper & lower traps
downward rotators of the scapulapectoralis minor, rhomboids, levator scapula

sternoclavicular joint

Question Answer
bones in the sternoclavicular jointmanubrium and clavicle
structural classification of the SC jointsynovial, saddle
functional classification of the SC jointdiartrotic, biaxial
major axial motions of the SC jointprotraction/retraction, elevation/depression, upward/downward rotation
when the SC joint moves the _ _ _ _ _ _ _ _ _ _ _ _ _ joint movesscapulocostal
what ligaments reinforce the SC joint capsuleanterior and posterior sternoclavicular ligaments
what ligament goes from one clavicle to the otherinterclavicular ligament
what ligament goes from the 1st rib to the claviclecostoclavicular ligament
what's the closed pack position of the claviclefull upward rotation of the clavicle
What's located inside the SC jointfibrocartilaginous articular disc
what's the disc domake the SC joint fit better and absorbs shock

acromioclavicular joint

Question Answer
bones of the AC jointacromion process of the scapula and the lateral clavicle
Structural classification of the AC jointsynovial, plane joint
Functional classification of the AC jointdiarthrotic, nonaxial
Major motions of the AC jointupward/downward rotation
accessory actions of the AC jointlateral/medial tilt and upward/downward tilt of the scapula
what ligament reinforces the fibrous AC joint capsuleacromioclavicular ligament (superior and inferior divisions)
What ligament adds stability to the AC joint without crossing itCoracoclavicular
closed pack position of the AC jointfull upward rotation of the scapula
Does the AC joint have a discoften it does

scapulohumeral rhythm

Question Answer
how many degrees of abduction come from GH joint120
how many degrees are required from all joints for arm abduction180 degrees
how many degrees of abduction come from scapular motion60 degrees
at what point in arm abduction does the scapula begin to move30 degrees
when the arm flexes, the scapulaprotracts and upwardly rotates
when the arm extends, the scapularetracts and downwardly rotates
when the arm hyperextends, the scapulatilts up
when the arm abducts, the scapularotates up
when the arm adducts, the scapularotates down
when the arm internally rotates,the scapula protracts
when the arm externally rotates,the scapula retracts
what action moves the greater tubercle so it doesn't hit the acromion when the arm is abducted and medially rotatedlateral rotation
what kind of contraction do the rotator cuff muscles have to keep the arm in the socket during elevation of the armisometric

the elbow

Question Answer
what are the three joints in the elbow capsulehumeroulnar, humeroradial, proximal radioulnar
what's another name for the humeroulnar jointulnotrochlear
what's another name for the humeroradial jointradiocapitular joint
structural classification of the humeroulnar jointsynovial, hinge
functional classification of the humeroulnar jointdiarthrotic, uniaxial
structural classification of the humeroradial jointsynovial, atypical ball and socket
the medial collateral ligament is also known asulnar collateral ligament
the lateral collateral ligament is known asradial collateral ligament
closed pack position of the elbowextension
muscles that flex the elbow cross itanteriorly
muscles that extend the elbow cross itposteriorly
major flexors of the elbowbrachialis, biceps brachii, brachioradialis, and pronator teres
major extensor of the elbowtriceps brachii
other muscles that can extend the elbowaconeus and extensor carpi ulnaris
lateral and medial epicondylitis are caused by use of what jointwrist
the lateral deviation of the ulna, or carrying angle, is how many degrees5-15
another name for carrying angle iscubitus valgus
the medial trochlea lip protrudes further than the lateral lip and it's calledcarrying angle
what joints perform pronation and supinationradioulnar
how many radioulnar joints are there3, proximal, middle and distal radioulnar
what connects the radius and the ulna at the middle radioulnar jointinterosseus membrane
what joint is at the ulnar notch of the radius and the head of the ulnadistal radioulnar joint
what joint is at the radial notch of the ulna and head of the radiusproximal radioulnar joint
joint structure classification of the proximal and distal radioulnar jointssynovial, pivot
functional classification of the proximal and distal radioulnar jointsdiarthrotic, uniaxial
structural classification of the middle radio ulnar jointfibrous, syndesmosis
functional classification of the middle radioulnar jointsamphiarthrotic, uniaxial
when the hand is not fixed, the radius moves around the ulna duringsupination and pronation
the ulna moves around the radius during pronation and supination when the hand isfixed
the two ligaments of the fibrous capsule of the distal radioulnar joint aredorsal radioulnar and palmar radioulnar
the radioulnar disc runs from the distal radius to the distal ulnar and is known asthe triangular fibrocartilage

wrist and hand

Question Answer
the first ray (ray=metacarpal and phalanges)thumb
the joints of the wristradiocarpal and midcarpal
midcarpal joint is betweenproximal and distal carpal bones
carpalmetacarpal joint is betweendistal carpal bones and metacarpal bones
1st CMCsaddle joint of thumb
proximal transverse arch runs acrosscarpal bone rows
distal transverse arch runs acrossMCP joints
longitudinal arch is formed byfixed metacarpals and flexed fingers
carpal tunnel impacts the _ _ _ _ _ _ nervemedian
the ligament at the top of the carpal tunnel istransverse carpal ligament
the bones at the bottom of the carpal tunnel arecarpal bones
the flexor retinaculum is what ligamenttransverse carpal ligament
the extrinsic finger flexor muscles travel to the finger from the forearm viathe carpal tunnel
carpal tunnel impacts which fingersthumb, index, middle and radial half of ring finger
fibrous aponeurosis of the fingers, not thumbdorsal digital expansion
action of muscles that attach into the dorsal digital expansionextension
other names for the dorsal digital expansionextensor expansion or dorsal hood


Question Answer
the lateral compartment of the mid-carpal joint is formed by thescaphoid, trapezium and trapezoid
structural classification of the radiocarpal and midcarpal jointssynovial, condyloid
functional classification of the radiocarpal and midcarpal jointsdiarthrotic, biaxial
major motions of the wristflex/extension, radial and ulnar deviation
what does the dorsal radiocarpal ligament limitflexion
what are the three palmar radiocarpal ligaments that limit extensionradiocapitate, radioulnate and radioscapholununate ligaments
the radial collateral ligament limitsulnar deviation
The ulnar collateral ligament limitsradial deviation
the short, medium and long intrinsic ligaments of the wrist stabilize the _ _ _ _ _ _ bonescarpal
closed packed position of the wristextension and slight ulnar deviation

metacarpal joints

Question Answer
the first CMC is the trapezium andthe first metacarpal
the second CMC is the second metacarpal andthe trapezoid
the third CMC is the capitate andthe third metacarpal
The fourth CMC is the fourth metacarpal andthe hamate
the fifth CMC is the hamate and thefifth metacarpal
the hamate is part of which two CMC jointsfourth and fifth
which three CMC joints are saddle jointsfirst, fourth and fifth
which two CMC joints are plane jointssecond and third
Which CMC joints are synovialall five
Which CMC joints are synarthrotic nonaxialsecond and third
Which CMC joints are diarthrotic biaxialfirst, fifth and fourth
the central pillar of the hand includes which CMC jointssecond and third
major motion of the CMC jointsflexion/extension
what other actions at the CMC can the fifth joint doabduction/adduction and lateral/medial rotation
the thumb saddle joint combines adduction, flexion and medial rotation to performopposition
what plane is flexion and extension of the thumbfrontal plane
what plane is abduction and adduction of the thumbsagittal
what plane is medial and lateral rotationtransverse
closed packed position of the thumbfull opposition
which collateral ligaments attach to the base of the thumb metacarpalboth the ulnar and radial collateral ligaments
intermetacarpal joints are locatedbetween metacarpal bones at the base and heads of the metacarpals
how many proximal intermetacarpal joints are therefour
how many distal intermetacarpal joints are therethree
distal IMC joints are stabilized bydeep transverse metacarpal ligaments
proximal IMC joints are stabilized bydorsal, palmar, interosseus intermetacarpal ligaments

metacarpophalangeal joints

Question Answer
structural classification of MCPsynovial condyloid
functional classification of MCPdiarthrotic biaxial
major motions of MCPflexion/extension; abduction/adduction
lateral movement of the middle finger isradial abduction
medial movement of the middle finger isulnar abduction
the ligaments of the MCPpalmar plate, radial and ulnar collateral ligaments
another name for the palmar platevolar plate
closed packed position for the MCP70 degrees flexion

interphalangeal joints

Question Answer
bone spurs at the DIP joint are calledHeberden's nodes
the thumb has how many IP joints1
the fingers have how many IP joints2
structural classification of Ip jointssynovial, hinge
functional classification of IP jointsdiarthrotic, uniaxial
major motion of the IP jointflexion/extension
the dip joint is stablized by what three thingsfibrous capsule, 2 collateral ligaments, a palmar plate
the pip joint is stablized by what four thingsfibrous capsule, 2 collateral ligaments, a palmar plate and a check-rein ligament
the palmar plate is also known as thevolar plate
the check rein ligament is only found at thepip
closed packed position of the IP jointsapprox. full extension