Gross Anatomy Exam 2 (cont)
Terms
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- What cuases Carpal tunnel? (2)
- any that reduces the size of the carpal tunnel (2)increasing sizes of structure around it
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NAME
this can be caused by any lesions that reduce the size of the carpal tunnel and increas the sizes of the structure around it - carpal tunnel
- What is carpal tunnel?
- is when the mediain nerve is pinched
-
NAME
this is when the median nerve is pinched - carpal tunnel
- What are inviduals w carpal tunnel like?
- (1)they are unable to oppose thumb (thenar muscles) (2)bednication hand (cannot flex 1st and 2nd lumbricals)
-
NAME
people w this condition are unable to oppose thumb - carpal tunnel
-
NAME
people w this condition are unable to oppose thumb and have a bednication hand - caral tunnel
- What are inviduals w carpal tunnel like? (2)
- they are unable to oppose the thumb (2)have bednication hand
- WHat are people w the ape hand like?
- is deformity in which the thumb movements are limited flexion, and extension of the thumb in the plane of the palm
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NAME
this is a is deformity in which the thumb movements are limited flexion, and extension of the thumb in the plane of the palm - ape hand
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NAME
this is is deformity in which the thumb movements are limited flexion, and extension of the thumb in the plane of the palm - ape hand
- What are people w a damaged median nerve like?
- they have an ape hand
- What are people like w median nerve damage?
- they have an ape hand
-
NAME
people w this type of nerve damage have an ape hand - median nerve
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NAME
people w this type of damage have an ape hand - median nerve
- What can cause ape hand ?
- by the inability of to oppose the thumb (2)limited abduction of the thumb
- What can cause ape hand?
- by the inability to oppose and abduct the hand
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NAME
this can be caused by the inability to oppose and abduct the hand - ape hand
- Where are (4)places that ulnar nerve damage can occur?
- (1)posterior to medial epicondyle of the humerus (2)cubital fossa (3)at the wrist (4)the hand
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NAME
this type of nerve damage can occur in 4 places: the posterior to the medial epicondyle of the humerus, cubital fossa, at the wrist and the hand - ulnar nerve injury
- What are people w ulnar nerve damge like?
- they have a claw hand
-
NAME
people w this type of injury have claw hand - ulnar nerve injury
-
NAME
people w this type of injury have a claw hand - ulnar nerve injury
- What can cause claw hand?
- the atrophy of the interosseous muscles of the hand
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NAME
this is cuased by the atrophy of the interossseous muscles of the hand - claw hand
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NAME
this is cuased by the atrophy of the interosseous muscles of the hand - claw hand
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NAME
this is caused by the atrophy of the interosseous muscles of the hand - claw hand
- What is the claw hand?
- refers to how the pesron has difficulity making a fist bc the metacarpophalgenial joints have become hyperextended therefore he or she cannot flex the 4th and 5th fingers (2)they also cannot extend the interphlagnela joints when trying to striaghtne the fingers
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NAME
this refers to the unopposed action of the extensors of the FDP - claw hand
- What is the ulnar canal syndrome?
- compression of the ulnar nerve in the ulnar canal
-
NAME
damage to this nerve not only affects the posterior forearm and arm but also the flexing of the metacarpohalengeal joints - radial nerve injury
- What is a radial nerve injury like?
- affects the posteror arm and forearm including the flexing of the metacarpholaengaeal joints
- The only nerve that goes through the carpal tunnel is the (1)
- median nerve
- What are the tendons in the carpal tunnel? (3)
- (1)4 FDP (2)4 FDS and (3)FPL
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NAME
this has the following tendons: 4 FDP, 4 FDS, and FPL - carpal tunnel
- What is the Glenohumeral joint?
- shoulder joint
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NAME
this is the shoulder joint - glenohumeral joint
- What type of joint is the glenohumeral joint? (3)
- (1)ball and socket joint (2)synovial joint (3)multiaxial
- `WHat kind of movements does the glenohumeral joint allow for?
- (1)circumduction
-
NAME
this joint allows for circumduction of the arm - glenohumeral joint
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T or F
Glenohumeral joint is stable - false
- Is the glenohumeral joint is stable?
- no
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A person suffered from an injury that cutt off the dorsal scapular nerve.
(1)What muscles are affected?'
(2)What movements does it allow for?
(3)Whould there be zero movement of the scapula? -
(1)
(2)elevation, depression, and retraction of the scapula
(4)n bc the top fibers of the trapzius elevate the scapula -
a 18 yr old male suffered from a stabing wound that injuryed the radial nerve.
(1)list the motor deficits you would expect
(2)would he be able to totally extend the arm? - (1)partial inability to extend the arm (tricps brachi-long head), abduct the arm, extend forearm, and extend the wrist (ECU). (2)no bc latissmi doris extends the arm
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There is a 47 female patient that suffers from nerve compression of unknown causes and the compression of the level of the lateral cord of the brachial plexus. it is proximal to the lateral pectoral nerve
(1)list the motor deficits you would expect - (1)inability to abduct, adduct, medially rotates, and depresses the scapula(pecs muscle) (2)affects the lateral pectoral nerve
- Describe the flow of blood from the heart to the arm (arteries) (6)
- (1)right subclavian (2)axillary (3)brachial artery (4)radial and ulnar artery (5)palmar arches (6)digital arches
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T or F
veins do split into branches - veins
- Do veins split into branches?
- no
- Describe the flow of blood from the arm to theart (veins)(7)
- (1)palmar venous arches (2)Baslic vein (3)cephalic vein (4)median cubital vein (5)brachial vein (6)axillary vien (7)subclavian vien
- What is the number one site for iv puncture?
- the median cubital vien
-
NAME
this is the number one site for IV punture - the median cutbital vein
- The median cubital vein is the number one site for(1)
- IV puncture
- What are (2)superfical veins of the arm?
- (1)baslic veins (2)cephalic vein
- WHat is the cornoid fossa?
- is depresssion on the anterior side of the humerus
- WHat is the Olecranon fossa?
- is a bigger depression on the posterior side of the humerus
- Where is the radial groove?
- next to the olecrannon fossa
- WHat is the differ tbwn the cornoid and the olecrannon fossa and the radial fossa? (3)
- (1)radial fossa is next to the Olecrannon fossa (2)olecrannon fossa is a bigger depression on the posterior side of the humerus (3)Cornoid fossa-is a depression on the anterior side of the humerus
- Supinators are located on the (1)
- posterior
- Supinators are located on the (1)side
- posterior
- (1)and (2)are located on the posterior side
- supinators and extensors
- pronators are located on the (1)side
- anterior
- (1)and (2)are located on the anterior side
- pronators and flexors
- WHat is thenar muscles?
- are thumb muscles
- WHat the hypothenar muscles?
- are the pinki muscles
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A 78 yr old female presents w muscle weakness in the hand. she worked as sectaruy for 47 yrs.
(1)which clinical sign would you look for?
(2)which structure are possible affected? - (1)look for hand bendication, thenar muscles damaged, inability to contract 1st and 2nd lubmbircals and damaged median nerve
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A pateint presents w inability to pronate right forearm also inability to abduct hand at wrist, wrist flexion is weakened, but can adduct the hand at the wrist/
(1)Where is the potential nerve injury...explain the clinical sings - median nerve is affected....effecting the FCR has a ape hand
- What is the elbow joint?
- hinge joint that allows for flexion and extension
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NAME
this is a hinge joint that allows for flexion and extension - elbow joint
- ELbow joint is also called the (1)
- interphalangela joint
- interphalangela joint is also called the (1)
- elbow joint
- What kind of movemetns does the elbow joint allow for? (2)
- (1)extension and (2)flex
- The metacarpophalangeal joints are also called the (1)
- radiocarpol joints
- the (1)are also called teh radiocarpal joints
- The metacarpophalangeal
- the (1)are also called the radio-carpal joints
- The metacarpophalangeal
- What kind of joint is the The metacarpophalangeal joint?
- condyloid joint
- What kind of movement does the The metacarpophalangeal joint allow for?
- (1)cicum (2)ext (3)flex (4)abd (5)add
-
NAME
this is a condyloid joint that allows for circumduction, ext, flex, abd, and add - The metacarpophalangeal joint
- WHat is the The metacarpophalangeal joint?
- is a condyloid joint that allows for circumduction, ext, flex, abd, and add
- Intercarpal joints are also called the (1)
- carpometacarpal joints
- the intercarpal joints are also called the (1)
- carpometacarpal joints
- The carpometacarpal joints are also called the (1)
- intercapral joints
- What are the intercarpal joints?
- plane synovial joints that allow for gliding movements
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NAME
these are plane synovial joints that allow for gliding movements - intercapral joints
- WHat are the intercapral joints?
- plane synovial joints that allow for gliding movements
- What kind of movements do the intercarpal joints allow for?
- gliding
- What kind of joint is the intercarpal joint?
- plane synovial joint
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T or F
the intercarpal joints allow for gliding movements of the thumb - flase
- Do the intercarpal joints allow for gliding movements of the thumb?
- no
- What does the median nerve supply (give exceptions)? (2)
- (1)mostly the anterior forearm but also the hand including the all thenar muscles and 1st and 2nd lumbricals (2)EXCEPTIONS: FCU and the ½ medial side of the FDP
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NAME
this nerve supplies mostly the forearm but also the hand including all thenar muscles and 1st and 2nd lumbricals EXCEPT the FCU and 1/2 medial side of the FDP - median nerve
- What does the ulnar nerve supply include EXCEPTIONS? (2)
- (1)it supplies mostly the hand but also the forearm including the FCU and the medial ½ of the FDP (2)EXCEPTIONS: include the 1st and 2nd lumbricals and the thenar muscles
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NAME
this nerve supplies mostly the hand but also the forearm including the FCU and the 1/2 medial side of the FDP EXCEPT for the 1st and 2nd lumbricals and thenar muscles - ulnar nerve
- What is the differ btwn palmar and dorsal interosi? (2)
-
(1)DAB= 2nd, 3rd, and 4th fingers
(2)PAD=2nd, 4th and 5th fingers - What is the ape hand?
- is a deformatiy in which the thumb movements are limited to flexion and extension of the thumb in the plane of the palm
-
NAME
this refers to when refers to how the pesron has difficulity making a fist bc the metacarpophalgenial joints have become hyperextended therefore he or she cannot flex the 4th and 5th fingers. they also cannot extend the interphlagnela joints wh - claw hand
- What are the functions of the pectoralis major? (4)
- (1)adducts (2)medially rotates humerus (3)draws scapula anterior and inferiorly (4)flexes humerus
-
NAME
this muscles functions include adduction and medially rotation of the humerus, drawing the scapula inferiorly and superiorly, and flexing the humerus - pectoralis major
- What does the subclavis do?
- anchors and depressed the clavicle
- What does the serrtus anterior do?
- (1)protracts scapula (2)rotates scapula
-
NAME
this protracts scapula and rotates scapula - serratus anterior
- What does alvused mean?
- tears
-
NAME
this means tears - alvused
- What is the differ btwn elbow, metacarpophalangeal and intercarpal joints? (3)
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(1)elbow joint- is a hinge joint that allows for flex and ext
(2)metacarpophalangeal joints are condyloid joints that allow for circumduction
(3)intercarpal joints are plane synovial joints that allow for gliding movements - What is the differ btwn elbow, metacarpophalangeal and intercarpal joints?(3)
-
(1)elbow joint- is a hinge joint that allows for flex and ext
(2)metacarpophalangeal joints are condyloid joints that allow for circumduction
(3)intercarpal joints are plane synovial joints that allow for gliding movements