unit 3 Flashcards
posterior abdominal wall muscles
QL
Psoas
iliacus
_______ is continuous with ST ligament
posterior sacroiliac ligament
2 muscles that connect to sacrotuberous ligament
piriformis
glute max
6 lateral rotators of the hip
piriformis
sup gem
inf gem
ob int
ob ex
quad fem
femoral triangle contents (lateral to medial)
femoral nerve
femoral artery
femoral vein
(NAV)
femoral triangle borders and base muscles
borders: sartorius, inguinal ligament, adductor longus
base: pectineus + iliopsoas
3 structures that travel through adductor canal
femoral vein
femoral artery
saphenous nerve
5 P’s of compartment syndrome
pain
pallor
paresthesia
pulselessness
paralysis
3 bones that make up the acetabulum
ilium
ischium
pubis
parent structure of obturator artery
internal iliac artery
parent structure of the artery to the head of the femur
obturator artery
iliofemoral ligament:
location + what it resists
anterior hip
limits EXTENSION
ishiofemoral ligament:
location + what it resists
posterior hip
limits FLEXION
pubofemoral ligament:
location + what it resists
inner hip
limits ABDUCTION
knee:
-how many degrees of freedom
-what are they
-what degrees
2 DoF
flex/extend + med/lat rotation
140* / 5* (flex/ext)
10* / 30-40* (med/lat)
screw home mechanism of popliteus to unlock in open chain
medially rotate the tibia to unlock the knee for the hamstrings to FLEX the knee
3 attachments to pes anserine
gracilis
sartorius
semitendonosis
2 borders that make the popliteal recess
biceps femoris (right)
semimem/ten (left)
geni
knee
sural
lateral lower leg
saphenous
medial
varum + Q angle change (inc/dec)
bow legged
lateral knee angle increase
decreased Q angle
valgum + Q angle change (inc/dec)
knock knees
medial knee angle increase
increased Q angle
popliteal fossa contents (lateral to medial)
NVA
tibial nerve, popliteal vein/artery
arcuate and oblique popliteal ligaments work to…
postlaterally stabalize the knee
medial meniscus is attached to…
MCL and joint capsule
what tendon attaches to LCL
popliteal tendon
unhappy triad
MCL
med meniscus
ACL
L2 myotome
hip flexion
L3 myotome
knee extension, adduction
L4 myotome
DF + inversion
L5 myotome
abduction + toe extension
S1 myotome
eversion + PF
S2 myotome
hip extension + toe/knee flexion
syndesmosis
fibula, tibia, + interosseus membrane
proximal/distal tibiofibular joint actions
internal and external rotation
main inverter
tibialis posterior
main everters
fib long/brev
what tarsal bone does fibularis longus use to turn
cuboid
3 5th metatarsal fractures
Avulsion
Jones
Stress
groove for flexor hallucis longus
sustentaculum
3 muscles that turn 90*
fibularis longus
obturator internus
extensor pollicis longus
talocrural joint actions
DF and PF
3 lateral ligaments of the ankle in order of most to least injured
anterior talofibular ligament
calcaneofibular ligament
posterior talofibular ligament
high ankle sprain MOI
external rotation + DF
trimalleolar fracture
both malleoli + plafond
subtalar joint actions
inversion + eversion
2 transverse tarsal joints
calcaneocuboid joint
talocalcaneonavicular joint
spring ligament helps with
arch height
short and long plantar ligaments help with
supporting arch SHAPE
what is the gait joint
metatarsophalangeal joint
MOI for lisfranc
foot twisting
tarsal tunnel contents and order
Tib posterior
Flexor digitorum longus
Posterior tibial artery
posterior tibial vein
tibial nerve
flexor hallicus longus
what covers the tarsal tunnel
FLEXOR retinaculum
what 2 muscle tendons create the transverse arch of the foot
post tib and fib long
extensor digitorum brevis originates where
sinus tarsi
parent structure of fibular artery
PTA
parent structure of ATA
PTA
parent structure of dorsalis pedis
ATA
1st muscle layer of the foot
flexor digitorum brevis
abductor hallucis
abductor digiti minimi
2nd muscle layer of the foot
quadratus planate
lumbricals
3rd muscle layer of the foot
flexor digiti minimi brevis
flexor hallucis brevis
adductor hallucis
4th muscle layer of the foot
plantar interossei
dorsal interossei
medial malleolus dermatome
L4
lateral malleolus dermatome
S1
deep fib nerve sensory area
between big and 2nd toe
lateral cutaneous sensory area
5th metatarsal area
superficial fib nerve sensory area
top of foot
big indicator of piriformis syndrome
limited hip ROM
lateral femoral cutaneous nerve entrapment
“britney spears nerve”
tight clothes
goes under inguinal ligament
2 most common entrapment sites for femoral nerve
iliopsoas tendon
femoral triangle
anterior hip dislocation or prostate surgery can entrap which nerve
obturator
trendelenburg
waddling gait
no glute med
common fib nerve injury
foot drop + sometimes no eversion
most commonly injured nerve in lower leg
3 muscles most effected by common fibular nerve injury
anterior tib, fib long/brev
ski boot syndrome
deep fibular nerve entrapment
can still dorsiflex
chronic ankle sprain can entrap which nerve
superficial fibular nerve
baker cyst
popliteal area
continuation of gastroc or semimemb bursa
entraps sural nerve (so can 5th metatarsal)
tibial nerve injury
posterior dislocation
loss of PF and toe flexion
loss of medial sural sensation
double crush
injury in tarsal tunnel and in the back (L4-S2 area)
pes planus
flat feet
baxters neuropathy
medial plantar nerve
joggers foot
abductor hallucis
supination
PF
inversion
adduction
pronation
DF
eversion
abduction
syndesmotic ankle sprain ligament
anterior TIBIOfibular ligament
chopart injury
transverse tarsal joint (calcaneous, cuboid, navicular)
hammer toe:
which toe
what muscles are weak
2nd toe
lumbricals + interossei
which toes get claw toe
lateral 4
where does mortons neuroma occur
MTPs of 3/4