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228 Cards in this Set

  • Front
  • Back

what is the jugular or sternal notch?

superior aspect (top of) manubrium, between the attachment of clavicles

what attaches to sternal angle of louis?

costal cartilage for rib 2

what ant chest feature lies on mid-clavicular line?
nipple, 4th ICS (in male)
What projects laterally at the union of the pedicle and lamina of the vertebra?

transverse process

what is a true rib and how many are there?

ribs that attach directly to sterum via costal cartilage



7 true ribs

"typical" ribs attach to 3 bony structures. what are they?

vertebral body of same rib, vertebral body of above rib, transverse process of same rib



(Ribs 3-9)

did man have 13 ribs at one time?

maybe

where is intercoastal space 3?

between rib 3 and 4
what is the fatty layer just beneath the skin called?

superficial fascia or hypodermis



contains blood and lymph vessels and tissue that connects skin to fascia

what are Langer lines (cleavage lines) and how do they relate to scar formation?

Linear clefts in the skin indicative of the direction of the fibers (orientation of collagen bundles in dermis); they correspond closely to the creases of the body but vary with body configuration



Incisions made parallel to them are thought to heal more efficiently with minimal scarring

where is the female breast anatomically located?

Superficial fascia (superficial to the pectoralis major muscle in the hypodermis of the skin)



Mammillary crease occurs at rib 6



Breast extends transversely from lateral border of sternum to the midaxillary line and vertically from 2nd to 6th ribs.



A small portion of the breast may extend into the axillary region along the edge of the pec major forming the axillary process or tail (of Spence)

what 2 vessels supply most of the blood supply to the breast?

(1) internal thoracic



(2) lateral thoracic

most of the lympathic drainage of breast tissue is toward which lymph node?

axiallary nodes

the line on which mammary tissue can be found in mammals is called what?
milk line
what are 5 physical signs of breast cancer?

(1) lump



(2) dimpling (invasion of suspensory ligaments)



(3) retracted nipple (invasion of lactiferous ducts)



(4) Peu d' orange (blockage of lymph)



(5) loss of mobility

what is found in the deltopectoral triangle or groove?
cephalic vein

what 2 vessels supply the pectoral and lateral thoracic wall regions?

(1) lateral thoracic



(2) thorocoacromial artery

name 3 structures that pierce the clavipectoral fascia above the pectoralis minor

(1) thorocoacromial artery and vein



(2) cephalic vein



(3) lateral pectoral nerve

what is the innervation to pec major?

lateral and medial pectoral nerves

what is the axillary artery called proximally?

subclavian artery

what is the action of the pectoralis major?

(1) medial rotation of humerus



(2) adduction of arm



(3) shoulder flexion

describe the involvement of the intercoastal muscles in respiratory cycle

ALL – elevate ribs during forced inspiration



Innermost IC – deep to chest plate; pull ribs down for forced expiration (others relax)



External IC – runs down and anteriorly, starts posteriorly and ends at costochondral junction



Internal IC – runs down and posteriorly, starts at sternum and runs deep to external IC

what is a neurovascular bundle?

grouping of arteries, veins, and nerves in one location

name 2 nerurovascular bundles in anterior chest wall and breast region

(1) intercoastal



(2) thorocoacromial artery and vein and lateral pectoral nerve

other than muscles what is found in the intercostal spaces?
intercoastal neurovascular bundle
typically how many vertebrae are there in the human vertebral column?

33



(C=7, T=12, L=5, S=5, Cx = 4)

how many vertebrae are there in cervical region? lumbar region?
cervical-7
lumbar-5
how do the vertebrae of C1/C2 differ from typical vertebrae?

C1 (atlas) - no body or spinous process (ring-like)



C2 (axis) - dens as part of its body

how do the vertebrae that makeup the sacrum differ from typical vertebrae?

(1) fused (5 vertebrae)



(2) have foramena for the dorsal and ventral primary rami (post and ant sacral foramina)

what are the components of typical vertebrae?

(1) body



(2) transverse processes



(3) spinous process



(4) pedicle



(5) lamina



(6) superior and inferior articular processes with facet joints

the motor neurons responsible for voluntary skeletal movements lie in what part of the spinal cord?

ventral root and horn of the gray matter

where are the sensory neurons associated with peripheral nerves located?

dorsal root ganglion, dorsal horn

intercoastal nerves are examples of which particular division of a peripheral (somatic) nerve?

ventral primary rami

the intrinsic muscles of the back are supplied by what specific division of a somatic nerve?

dorsal primary rami

what 2 areas of the spinal cord are grossly larger than the rest? why?

(1) cervical (C4-T1)



(2) lumbosacral (L1-S5)



enlargements because they run to limbs

the most common site for herniated disc is found at what vertebral column level?
L4-L5
in the adult the spinal cord usually ends at what vertebral body level?
L1-L2
what is the name of the collection of spinal nerve roots found past the end of the spinal cord?
Cauda equina
what are 2 derivatives of the pia mater?

(1) denticulate ligaments



(2) filum terminale

what is found in the subarachnoid space?

CSF (Cerebrospinal Fluid)

if a cerebral artery ruptures, where is the blood found?
subarachnoid space
what is found in the epidural space?
fat and venous plexus
when doing a spinal tap to sample the CSF, what is the last meningeal layer that the needle should pierce?
arachnoid mater
what bony landmark is used to locate the appropriate vertebral level for doing a spinal tap?
iliac crest at the spinous process of L4
the most common place to insert a needle to do a spinal tap is between the spinous process of which vertebrae?

L3-L4



or



L4-L5

what is the arterial supply to the spinal cord?
spinal branches off aorta and spinal branches off the vertebral arteries
in a caudal epidural anesthesia the cannula is placed up which foramen?
sacral hiatus
what nerve innervates the traps?

CN XI (spinal accessory)

what is the function of the latissimus dorsi?

(1) Internal (medial) rotation



(2) adduction



(3) extension (shoulder joint) - "toilet paper" muscle

what is the general function of the serratus posterior muscles?

accessory respiratory muscles - aids in breathing and raises/lowers rib cage

how does the innervation of the erector spinae differ from the intermediate and superficial back muscles?

the erector spinae is innervated by dorsal primary rami of the mid-thoracic and upper lumbar spinal nerves. the others are by ventral primary rami

how is the scapula attached to the trunk?

muscles mostly and to the skeleton by the acromioclavicular joint

what extrinsic muscles of the scapula elevates the scapula?

(1) levator scapulae



(2) rhomboids



(3) upper fibers of trapezius

what are the 4 rotator cuff muscles?

(1) Supraspinatus




(2) Infraspinatus



(3) Teres minor



(4) Subscapularais

which of the 4 rotator cuff muscles medially rotates the shoulder joint?

subscapularis

in addition to movement of the shoulder joint, what is the key function of the rotator cuff muscles?

(1) stabilizes the shoulder joint



(2) holds humeral head against glenoid

what nerve innervates the infraspinatus muscle?

suprascapular

if the suprascapular nerve is damaged, what movements of the shoulder would be affected?

(1) lateral rotation



(2) initation of abduction

in abducting the arm, what muscles raises the arm to the horizontal position? what nerve is involved?

(1) deltoid



(2) axillary nerve

how is the arm raised above the horizontal position?

scapula is rotated by the serratus anterior and lower fibers of trap so that the glenoid points upward

rotator cuff injuries most commonly involve which rotator cuff muscle or tendon?
supraspinatus
which are the boundaries of the quadrangular space?

shoulder capsule (or teres minor), long head of triceps, surgical neck of humerus, upper border of teres major

what vessel is found in the triangular interval?

profunda brachii

at what joint does separation of the shoulder occur? what ligaments are often torn?

acromioclavicular; acromioclavicular ligament and the coracoclavicular ligaments (trapezoid and conoid)

how is the clavicle often broken?

by falling on the outstretched upper limb and hand (to break the fall) the clavicle breaks between the lateral and middle thirds. The distal end and upper limb drops

the vast majority of clinical dx come from through these 2 non-imagery tasks?

History and Physical exam

X-rays are a form of what radiation?
ionizing
name 3 imagery methods that use ionizing radiation
radiographic film, CT, nuclear medicine scan
what are examples of non-ionizing radiation?
ultrasound and MRI
name the 4 types of imagery densities and give at least 2 examples of each
air/gas: lungs, gas in intestine
fat: adipose tissue, breasts
soft tissues/water density: blood, solid organs, full bladder
bone and metal: ribs, calcified bone, teeth, metal caps, bullet fragments
approximately half of all radiographs studies done are what?
chest x-rays
chest x-rays are taken in which 2 views and why?
PA and lateral. To better localize any density that may be found on the films
name at least 3 methods/substances film radiography uses to enhance the images
contrast iodine soln-angiogram
barium swallow/enema-GI series
Technetium-99M-nuclear bone scan
describe angiography
an iodine soln is introduced into a vessel (artery or vein) by a catheter. Film xray and or CT are taken at timed intervals. The Iodine metal absorbs xrays rendering a radiopacity (white on neg film) at the location of the iodine-enhancing the vessels of interest
what is the advantage of CT over classical film imagery?
3D rendering of large anatomical regions with increased resolution of soft tissues, also esp good for visualizing fine bone structure
what methods are used to enhance CT imagery?
oral, intravenous, or intra-arterial contrast material
describe what is found on a normal nuclear medicine bone scan
bone is a living tissue and is constantly being remodeled so a light background of tracer deposition is normal over all the bones of the skeleton. in areas of high impact and constant movement such as joints a greater amount of deposition of tracer is seen. tracer is also excreted from the kidney so the kidneys and bladder also show 'normal" enhancement on bone scan
what processes would you expect to show enhanced uptake of tracer on nuclear bone scan?
deposition of tracer at the site of increased metabolic activity and osteoblast activity. found at sites of metastatic lesions of the bone and at sites of bone healing from injury
what is the advantages/limitations of US?
advantages: no exposure to ionizing radiation, relatively fast, inexpensive and reliable for screening purposes
disadvantages: less resolution than CT, limited use on areas not blocked by bone or having to discern objects filled with or surrounded by air
what are some indications for the use of MRI?
brain disease such as infarction and tumors, body cavity tumors, soft tissue injuries that produce edema, spinal cord injuries
what are some contraindictinos for MRI?
ferrous containing objects such as metal surgical staples and aneurysm clips, pace makers, implanted medication pumps, some IUDs, nerve stimulator devices
on T1 weighted MRI what tissue in general is displayed as bright white?
fat
CSF and edema are best visualized as enhanced signal (bright white) using which weighted MRI?
T2
the subspecialty of modern imagery that can directly treat disease thru minimally invasive precutaneous access to internal structures is what radiology?
interventional radiology
what forms the medial wall of the axilla? the anterior wall?
medial: thoracic wall and overlying serratus anterior.
anterior: pectoralis major and minor
at what anatomic landmark does the subclavian artery become the axillary artery?
as it crosses the 1st rib
what is the largest branch of the axillary artery? and what are the two major branches off of it?
Subscapular
Scapular circumflex and thorocodorsal
to insure survival of the upper limb (esp the hand) where can the axillary artery be ligated during an ER procedure following a traumatic bullet-induced tear in the axillary artery just below the clavicle?
any where proximal to the subscapular artyer
what cord of the brachial plexus lies deep to the axillary artery?
posterior
name 3 nerves derived from the posterior cord.
upper and lower subscapular, thorocodorsal, radial, axillary
what is the"M" of the brachial plexus?
lateral cord-musculocutaneous, median, median cord-ulnar nerves
what component of the bachial plexus supplies the flexor region of the arm?
upper roots to make up musculocutaneous nerve
what muscle group in the arm is innervated by the median nerve?
none
what muscle group in the arm is innervated by the radial nerve?
triceps brachii
where is the radial nerve in the arm most susceptible to trauma?
radial (spiral) groove on humerus
what 3 muscles attach to the corocoid process of the scapula?
pect minor, corocobrachialis, short head of the biceps brachii
what is the name for the most common upper brachial plexus injury?
Erbs Palsy
what motions are lost that cause the final positioning of the upper limb in Erbs Palsy?
flexion of elbow, lateral rotation of shoulder, some supination
what are the likely circumstances which cause upper brachial plexus injuries?
falls that increase the angle between the neck and shoulder, or difficult baby deliveries where the same space is stretched.
what is the name of the highest axillary lymph nodes within the axilla?
apical
how does lymph from the axilla enter the circulation?
the large veins in the root of the neck-near junction of internal jugular and subclavian veins
what results in a Colle's fracture?
common fracture of forearm in >50 yo due to forced dorsiflexion of the hand (FOOSH). distal radial styloid process will have complete transverse fracture with the fragment being displaced dorsally and often comminuted. Shortens radius and distal end and forms "dinner fork" deformity
what vein is commonly used for venipuncture? where is it located?
Median cubital vein
superficial to cubital fossa
what is the primary (and most powerful) spinator of the forearm?
biceps brachii of the flexed forearm; the supinator muscle supinates the forearm in the absence of resistance
name the main flexor of the forearm.
brachialis
name the divisions of the brachial artery where it spilts at the region of the cubital fossa.
radial and ulnar arteries
list the nerves and their neuromusclar relationships in the forearm
median nerve= 6.5 flexor muscles
ulnar nerve= 1.5 flexor muscles
radial nerve= all extensors plus the brachioradialis
what is the characteristic clinical sign of a radial nerve injury at the level of the radial groove of the humerus?
wrist drop
what muscles flex the middle phalanges? the distal phalanges?
flexor digitorum superficialis- proximal
flexor digitorum profundus-distal
which muscle is the prime mover in pronation?
pronator quadratus
what nerve is compromised when a person has trouble pronating his forearm?
median nerve
list the muscles that extend and abduct or adduct the hand at the wrist joint. identify their main functions
extensor carpi radialis longus and brevis (extend and abduct hand at wrist), extensor carpi ulnaris (extend and adduct hand at wrist)
list the muscles that extend the medial four digits.
extensor digitorum, extensor digiti minimi, extensor indicis
list the muscles that extend or abduct the thumb
extensor pollicis longus and brevis, abductor pollicis longus
what prevents bowstringing of the extensor tendons when the hand is hyperextended?
extensor retinaculum
tingling sensations and pain on lateral side of hand is due to compression of what nerve? where does this nerve pass through to enter the hand?
median nerve; runs through carpal tunnel
what structures accompany the median nerve through the carpal tunnel?
9 tendons
4 from FDS
4 from FDP
1 from FPL
list the main arteries supplying the forearm muscles
radial and ulnar arteries
what nerve is at risk when then "funny bone" is hit or injured?
ulnar nerve
A knife wound on the palm at the level of the extended thumb injures what artery on the palm? this artery is the terminal continuation of what artery?
superficial palmar arch
ulnar artery
what is the radial pulse taken?
lateral to the tendon of the flexor carpi radialis
what are the 4 bones that unite to form the pelvic girdle?
ilium, ischium, pubis, sacrum
in the hip joint what is the name of the bony socket in which the head of the femur is located?
acetabulum
what is the deep fascia of the thigh called?
fascia lata
what is the deep fascia of the leg called?
crural fascia
is the greater saphenous vein located in the superficial fascia, or deep to the deep fascia?
both the greater and less saphenous veins are in the superficial fascia
into which large vein does the blood in the greater saphenous vein drain?
the femoral vein
when does the femoral artery become the popliteal artery?
when passes distally through the adductor hiatus in the adductor magnus muscle
what 2 ligaments transform the greater and lesser sciatic notches into the greater and lesser sciatic foremina?
sacrotuberous and sacrospinous ligaments
which muscle is a major extensor of the thigh at the hip joint- especially when standing up from a squatting position or climbing the stairs?
gluteus maximus
what nerve innervated gluteus maximus?
inferior gluteal nerve
which 2 muscles are used to keep the pelvis level when a leg is raised in walking?
gluteus medius and minimus
what nerve innervated gulteus medius and minimus?
superior gluteal nerve
what is the name of the largest nerve found in the gluteal region?
sciatic nerve
the sciatic nerve emerges from beneath a small muscle in the gluteal region and then travels down across 5 other small or short gluteal muscles. what are their names?
emerges from beneath the piriformis muscle and then travels superficial to the superior and inferior gemelli muscles, obturator internus and externus tendons and quadratus femoris muscle
what is the major function of the piriformis, superior and inferior gemelli, obturator externus and internus and quadratus femoris muscles?
as a group, these muscles are lateral rotators of the thigh at the hip joint. they also stabilize and steady the femoral head in the acetabulum
what muscle does the lateral division of the sciatic nerve sometimes pierce?
the piriformis muscle by the lateral or peroneal (fibular) division in about 12%
what is the name of the group of large muscles found in the posterior thigh compartment?
hamstrings
what nerves innervated the hamstrings?
tibial division of the sciatic nerve
what bony structures serves as the superior attachment site (origin) for the hamstrings?
ischial tuberosity
which posterior thigh muscle does not originate from the ischial tuberosity?
short head of the biceps femoris
how do the hamstrings move the thigh? how do they move the leg?
extend the thigh and flex the leg
can rotate leg medially (ss mm) and laterally (biceps)
what vessel supplies the majority of blood to the posterior compartment of the thigh?
profunda femoris via perforating branches
what is major nerve of the anterior compartment of the thigh
femoral nerve
what is the major nerve of the medial compartment of the thigh?
obturator nerve
what is the major nerve of the posterior compartment of the thigh?
tibial division of the sciatic nerve
what nerve innervates the quadriceps muscle?
femoral nerve
what nerve innervates the adductor muscle?
obturator nerve
what are the boundaries of the femoral triangle?
inguinal ligament, satorius muscle, and adductor longus muscle
what is the relationship of the femoral vein, nerve, artery within the femoral triangle?
NAVEL
lateral to medial
nerve-artery-vein-empty space-lymphatics
what is the major function of the quadriceps?
extension of the leg at the knee joint
what muscle of the quadriceps can act at 2 different joints? what other anterior muscle can act at 2 different joints?
rectus femoris of quads can act at knee or hip as can the sartorius muscle
which artery supplies most of the blood to the neck and head of femur?
medial femoral circumflex artery
from what artery does the medial femoral circumflex artery arise?
profunda femoris, sometimes the femoral artery itself
what compartment of the thigh is the gracilis muscle located in?
medial compartment
which muscle is often included in the group of medial thigh muscles, but is actually a lateral rotator of the thigh? it can be found deep to the inferior gemellus and quadratus femoris muscles in gluteal region?
obturator externus
which anterior thigh compartment muscle is innervated by the superior gluteal nerve and helps to keep the knee extended?
tensor fasciae latae muscle
what muscle's tendon contains the largest sesamoid bone in the body?
quadriceps tendon
which muscle is the chief flexor of the thigh at the hip joint? it has a distal part that enters the anterior compartment of the thigh deep to the femoral nerve before inserting into the lesser trochanter.
iliopsoas muscle
which superficial, medial thigh muscle is such a relatively weak adductor of the thigh that surgeons can often transplant it without causing a significant deficit?
gracilis muscle
what term would describe an abnormal protusion of abdominal contents thru femoral canal?
femoral hernia
describe the general consequences of having a severely injured superior gluteal nerve
it innervated the gluteus medius and minimus and the tensor fasciae latae. the 2 gluteus muscles prevent sagging and dipping of the unsupported side of the pelvis when walking. injury will result in impaired, disabling gait, called gluteal gait or dipping gait
which are more common, hamstring strains or quadriceps strains?
hamstring as twice as common
which artery supplies the majority of the blood to the anterior compartment of the leg?
anterior tibial artery
which artery supplies the majority of the blood to the lateral compartment of the leg?
peroneal artery
which artery supplies the majority of the blood to the posterior compartment of the leg?
posterior tibial artery
which nerve supplies the muscles in the anterior compartment of the leg?
deep peroneal nerve
which nerve supplies the muscles in the lateral compartment of the leg?
superficial peroneal nerve
which nerve supplies the muscles in the posterior compartment of the leg?
tibial nerve
explain dorsiflexion and plantarflexion of the foot at the ankle joint
dorsiflexion: bring dorsal surface of foot upward
plantarflexion: push the sole of foot downward. when you strand on toes
explain inversion and eversion
inversion: turning foot inside or medial border of foot brought upward
eversion: turning foot outside or lateral border upward
what is the most commonly injured nerve in the LE? where is the typical site of injury?
common peroneal nerve; where it runs superficial over the lateral neck of fibula
what condition results when the common peroneal nerve is severely injured?
foot drop- loss of eversion
which 3 muscles unit to form the calcaneal tendon (achilles)?
soleus, lateral and medial gastrocnemius, plantaris
which of the muscles that insert on Achilles tendon can commonly by absent?
plantaris
where are the muscles referred to as "tom, dick, and harry" located? what bony landmark are these muscles associated with?
represents the 3 deep muscles of the post calf: Tibialis post, flexor Digitorum longus, flexor Hallucis longus. the tendons of these 3 muscles travel post to medial malleolus with the TP located closest to the malleolus.
name 2 muscles that can evert the foot at the ankle joint
peroneus longus and peoneus brevis
name 2 muscles that can invert the foot at the ankle joint
tibialis anterior and tibialis posterior
name 2 superficial post leg compartment musscles that can powerfully plantarflex the foot at the ankle joint
gastrocs and soleus
name 2 muscles that can dorsiflex the foot at the ankle joint
tibialis anterior, extensor hallucis longus, extensor digitorium longus, peroneus tertius (if present)
which small leg muscle can weakly flex the knee joint, but its main function is to "unlock" the knee joint as flexion is started
popliteus muscle
what is the strongest ligament in the body? at which joint is it located? what is its major function?
iliofemoral ligament at the hip joint- helps prevent overextension at this joint, especially during standing
which knee ligament is directly attached to the medial meniscus?
medial collateral ligament
the cruciate ligament of the knee are named for their attachment to what?
tibia
in the knee joint, what is the function of ACL?
prevents post displacement of femur on tibia or ant displacement of tibia under femur
which tarsal bones are involved in the ankle joint?
talus
what is the name of the strong ligament attached to the medial malleolus?
deltoid ligament
which ankle ligament is most commonly injured? is it a lateral or medial ankle ligament?
anterior talofibular ligament on lateral side
which primary motions occur at the ankle joint?
dorsiflexion and platarflexion
which primary motions occurr at the transverse tarsal and subtalar joint?
inversion and eversion of foot
which strong ligament deep in the medial sole of foot is located inferior to the head of the talus and helps maintain the longitudinal arch of the foot?
the spring, or plantar calcaneonavicular ligament
what general type of imaging would you use to detect a herniated disc in the vertebral column and at the same time assess the integrity of the spinal cord?
MRI
name the major anatomical elements of the Scotty Dog as seen in standard radiographs of vertebral column
ear- superior articulating process
front leg- inferior articulating process
eye- pedicle
nose-transverse process
neck-pars interarticularis
in what specific imaging modality does the cerebrospinal fluid appear intensely bright?
T2-MRI
what is the best imaging modality to view tears of the knee ligaments and menisci?
MRI
can MRI be useful to identify fractures of the long bones of the LE?
yes
currently what is the fastest and most economical modality used to determine if an individual might have a deep venous thrombus in the LE?
ultrasound
what are some of the potential disadvantages of ultrasound in locating DVT?
US is blocked by bone so the progression of DVTs cannot be viewed well particularly if traveling to the pelvis
name the carpal bones starting at the lateral side of each row.
proximal: scaphoid, lunate, triquetrium, pisiform
distal: trapezium, trapezoid, capitate, hamate
fracture of what carpal bone results in tenderness and pain in the snuffbox?
scaphoid
at what joints do pronation and supination occur?
radioulnar joints
name the muscles on the thenar eminence. what nerve innervated them?
abductor pollicis brevis, flexor pollicis brevis, opponens pollicis.
innervated by recurrent branch of median nerve
which tendons of the flexor forearm muscles attache to the middle phalanges of the non-thumb digits?
tendons of FDS
which artery gives rise to the superficial palmar arch? to the deep arch?
superficial: ulnar artery
deep: radial palmar arch
what structure is affected in the condition know as Dupuytren's contracture?
palmar fascia and aponeurosis
name the muscles that are primarily responsible for this action:
oppostion of thumb
opponens pollicis
name the muscles that are primarily responsible for this action:
abduction of non-thumb digits
dorsal interossei
name the muscles that are primarily responsible for this action:
adduction of non-thumb digits
palmar interossei
name the muscles that are primarily responsible for this action:
flexion of MP joints
lumbricals
name the muscles that are primarily responsible for this action:
extension of IP joints
lumbricals and interossei
name the muscles that are primarily responsible for this action:
flexion of DIP joints
flexor digitorium profundus
name the muscles that are primarily responsible for this action:
flexion of PIP joints
flexor digitorum superficialis
what nerve innervates the majority of the intrinsic muscle of the hand? what intrinsic muscles does it not innervate?
ulnar nerve except for thenar muscles and lumbricals 1 and 2
what nerve supplies cutaneous sensation to the tip of the thumb? to the tip of the middle finger? to the tip of the little finger?
median nerve
median nerve
ulnar nerve
name the nerve that is injured in a wrist drop
radial nerve
name the nerve that is injured in a clawhand?
ulnar nerve
name the nerve that is injured in a hand of benediction?
median nerve
name the nerve that is injured in an ape hand?
median nerve
name the nerve that is injured in carpal tunnel syndrome?
median nerve
what nerve does not supply any intrinsic hand muscles? what area does it supply in the hand?
radial nerve; it supplies sensory innervation to the dorsolateral side of the hand
what type of injury is often called a "shoulder separation?"
dislocation of AC joint
what ligament surrounds the head of radius?
anular ligament
what condition results in inflammation of the synovial sheaths, which enclose the tendons of the forearm muscles traveling over the phalanges?
tenosynovitis
excessive extension and lateral rotation of the humerus results in dislocation of what joint?
glenohumeral joint
what nerve may be damaged in an injury to glenohumeral joint?
axillary nerve
if a patient cannot flex DIP joint of the digit held in the extended position, what muscle tendon is damaged?
flexor digitorum profundus
inability to oppose the thumb is due to injury to what nerve? what muscle is damaged?
recurrent branch of median nerve
opponens pollicis
damage to the ulnar nerve weakened adduction of the non-thumb digits. what muscles were affected?
palmar interossei