Revision Session Flashcards
sternoclavicular joint - type of joint?
saddle synovial
acromioclavicular joint - type of joint?
plane synovial
glenohumeral - type of joint?
ball and socket
name 3 muscles which occupy the bony scapula?
subscapularis (posterior), supraspinatus, infraspinatus
between which 2 muscles does the brachial plexus emerge?
anterior and medial scalene muscles
what is the subclavian artery called after it has passed the first rib?
axillary artery
roots of brachial plexus?
C5-T1
what muscle is it if it is above the spine of the scapula?
levator scapulae
action of rhomboids?
retraction of scapula
action - latissimus dorsi?
adduction of shoulder
innervation of trapezius?
Motor = accessory nerve - also receives proprioceptor fibres from C3 and C4 spinal nerves
upper fibres trapezius - action?
elevate scapula
middle fibres trapezius - action?
retract scapula
lower fibres trapezius - action?
depress scapula
deltoid - middle fibres action?
abducts arm
deltoid - anterior fibres action?
flexion, medial rotation of arm
deltoid - posterior fibres action?
extension, lateral rotation
name 4 rotator cuff muscles?
supraspinatus, infraspinatus, subscapularis, teres minor
supraspinatus - action?
abduction of arm
infraspinatus and teres minor - action?
lateral rotation of arm
subscapularis - action?
medial rotation of arm
teres major - action?
adductor of shoulder, medial rotation of arm
latissimus dorsi - action?
extension of shoulder
teres minor and deltoid - innervation?
axillary nerve
which structure runs between the deltoid and the pectoralis major?
cephalic vein
which vein connects the cephalic and the basilic just above the elbow?
median cubital vein
where does the cephalic vein drain into?
subclavian vein
action of pectoralis major?
adduction and medial rotation of arm
innervation - pectoralis major?
lateral and medial pectoral nerves
action - serratus anterior?
protractor of scapula
serratus anterior - innervation?
long thoracic nerve
pectoralis minor - action?
protraction of scapula
action of biceps muscle on the shoulder and elbow?
flexion (both)
biceps - action on radioulnar joint?
supinator
brachialis - action?
flexor of elbow
innervation of brachialis, coracobrachialis etc. i.e. muscles of the lateral arm?
musculocutaneous nerve
what is musculocutaneous nerve a branch of?
brachial plexus
triceps - action?
main extensor of elbow joint
name of aponeurosis of the wrist?
palmar aponeurosis
flexor carpi ulnaris + radialis - action?
flexes wrist
action - pronator quadratus/ teres?
pronates arm
2 supinators of arm?
supinator and biceps
brachialis - innervation?
radial nerve
function of extensor/ flexor retinaculum?
hold tendons in place
which nerve runs below suppinator muscle?
the radial n
innervation of flexor digitorum?
radial nerve
flexor digitorum - action?
flexion of 2nd - 5th digit
which muscle runs beneath the brachioradialis?
extensor carpi radialis longus/ brevis
flexor carpi ulnaris - action?
flexion and adduction
flexor carpi radialis - action?
flexion and abduction
how is the superficial palmar arch joined in the hand?
ulnar and radial arteries joining
what does ulnar nerve innervate in hand?
1.5 fingers (pinky and ring)
what does median nerve innervate in hand?
3.5 (thumb, index, middle and ring)
bloody supply of digits?
digital arteries
muscle of the tumb?
abductor pollicis brevis
muscle of the pinky?
abductor digiti minimi
abductor pollicis brevis - action?
abduction of thumb
abductor digiti minimi - action?
abduction of little finger
lumbricals of hand - action?
flex metacarpal-phalangeal joints
innervation - hand interossei?
ulnar nerve
palmar interossei hand - action?
adductor
dorsal interossei hand - action?
abductor
histology - colour, cells present and example of hyaline cartilage?
purple, chondrocytes, tracheal cartilage
histology - colour, cells present and example of elastic cartilage?
light purple pink, elastic fibres, external ear pinna
histology - colour, cells present and example of fibro cartilage?
bright pink, collagen fibres, chondroblasts, IV disc
carpometacarpal joint - type of joint?
plane synovial
metacarpophalangeal joint type?
condyloid synovial
iliofemoral ligament - function?
prevents hyperextension of hip
pubofemoral ligament - function?
prevents hyperabduction
ischiofemoral ligament - function?
prevents hyperabduction
hip - type of joint, and why is it more stable?
ball and socket - deeper than shoulder so is more stable
action of iliopsoas?
main flexor of hip
iliopsoas muscle - where inserted?
lesser trochanter of femur
main extensor of hip?
gluteus maximus
fascia which sits above the gluteus maximus?
thoraco-lumbar fascia
iliotibial tract - function?
stabilise hip and knee joints
attachment of iliotibial tract?
fascia lata
sartorius - action?
flex hip and knee
where does femoral nerve run between?
iliacus and psoas major
rectus femoris - action?
flexion of hip
quadratus femoris - action?
extends knee
sartorius - innervation?
femoral nerve
adductor brevis, longus, magnus - innervation and action?
adduction of hip and obturator nerve
action of short muscles under the gluteus maximus?
lateral rotation of hip
gluteus minimus, medius and tensor fascia lata - action and innervation?
medial rotation of hip - superior gluteal nerve
gluteus maximus - innervation?
inferior gluteal nerve
hamstrings - action on hip and knee?
hip - extension, knee - flexion
innervation of posterior thigh compartment?
tibial branch of sciatic nerve
3 muscles of hamstrings?
biceps femoris, semimembranosus, semitendinosus
extensor retinaculum of feet - function?
holds tendon of extensor compartment
anterior compartment of leg - action?
dorsiflexion
posterior compartment of leg - action?
plantarflexion
tibialis anterior - action?
inversion of subtalar joint
innervation of anterior leg?
deep fibular nerve
lateral compartment of leg - innervation?
superficial fibular nerve
2 muscles of the lateral compartment of leg?
fibularis longus and brevis
gastronemius - action?
flexion of knee and plantarflexes ankle
define triceps surae?
gastronemius and soleus muscle
plantaris - action?
plantarflexion of ankle
popliteus - action?
knee flexion
function of knee menisci?
shock absorption
which meniscus is bigger?
medial
which ligament is attached to the medial meniscus?
medial collateral ligament
what does anterior cruciate ligament prevent?
hyperextension
what does posterior cruciate ligament prevent?
hyperflexion
superior tibiofibular joint?
plane synovial
inferior tibiofibular joint?
fibrous joint
aponeurosis of foot?
plantar aponeurosis
lumbricals of foot - action?
flex 2nd - 5th toes
2 options of nerves for innervation of foot?
lateral/ medial plantar nerve (usually lateral!)
name all 7 talar bones?
navicular, lateral/intermediate/medial cuneiform, talus, cuboid, talus
interphalangeal joint of foot - type of joint?
hinge synovial
metatarsophalangeal joint - type of joint?
condylar synovial
compact bone - structure?
haversian canal, osteocytes
cancellous bone - what is contained within bone marrow?
haemopoetic tissue
describe parts of fallopian tube from ovary to uterus?
fimbriae, infundibulum, ampulla, isthmus
epididymis - function?
storage of sperm
cremaster muscle - innervation?
genital branch of genitofemoral nerve
histology - seminiferous tubules (blue picture) - type of cells present and their function?
interstitial cells of leydig - secretes testosterone
histology - prostate - what is present in stroma?
smooth muscle, collagen fibres
histology - how to differentiate between proliferative phase and secretory phase (uterus)?
proliferative - more tubular glands
name 3 different types of vertebrae?
cervical, thoracic, lumbar
what structure passes through vertebral foramen?
spinal cord
what sets apart thoracic vertebrae?
always has facet for ribs
what sets apart lumbar vertebrae?
massive body compared to thoracic and cervical - also no foramen in transverse processes
where do sacral spinal nerves pass through?
sacral foramen
function of IV discs of spine?
shock absorption
name the 2 components of the IV disc - which is in the middle?
in the middle = nucelus pulposus, annulus fibrosus
IV disc - type of joint?
2y cartilaginous
facet joints - type of joint?
synovial plane
joints with ribs - type of joint?
synovial plane
skull and atlas - type of joint?
synovial ellipsoid
atlas and axis - type of joint?
pivot synovial
name 2 ligaments of the vertebral column?
ligamentum flavum, anterior longitudinal ligament
what are the muscles of the back which come from different parts of the body called?
extrinsic back muscles
name an intrinsic muscle of the back?
erector spinae
action of erector spinae on the spine?
extension (bilateral) and lateral flexion (unilateral)
main 2 branches of sacral plexus?
pudendal and sciatic
lymph drainage - body and cervix of uterus?
sacral and internal iliac nodes
lymph drainage - fundus of uterus, ovaries, testes?
pre-aortic
lymph drainage - vagina, penis, scrotum?
superficial inguinal