Lower ex Flashcards
Acetabulum percentage of each bone
Ilium 40
Ischium 40
pubis 20
Inserts into inferior pubic ramus
MGB
inserts into body of pubis
add magnus
inserts into superior pubic ramus
pectineus
how many joints in pelvis
7
SI
SC
SP
2 SI
2 Hip
N neck shaft angle in adults
125
N neck shaft angle in children
150
Describe coxa valga
increased neck shaft angle
increase abduction
decreased adduction
prone to hip D/L
less stable
Special test for angle of femoral torsion
craig/ryder
n angle of femoral torsion
13-15 deg
In-toeing aka
pigeon toe
CPP of hip
EXABIR
OPP of hip
FABER 30-30-slight
Capsular pattern of hip
FABIR or IRFAB
Action of pectineus
hip flex and add
Pes anserine muscles
SGT
Peak activity of g max
initial contact
nerve roots of inferior gluteal nerve
L5, S1, S2
Action of g max
Hip ext + ER
abd - upper dibers
add - lower dibers
insertion of g med
greater troch
Femoral triangle contents from lat to med
NAVEL
knee aka
articulatio genu
3 articulations of knee
patellofemoral
medial tibiofem
lateral tibiofem
articulation of knee affected in oa
medial tibiofem
Knee type of joint
modified hinge / trochoginglymus
Facet of patella affected in chondromalacia patella
odd
camel sign seen in patella —
alta
Supports of lateral meniscus
meniscofemoral ligament
> anterior: humphrey, posterior: wrisberg
PCL
Popliteus
Support of medial meniscus
ACL
MCL
Semimem (OPL)
Ligament affected in swimmer’s knee
MCL
Ligament affected in Pelligrini-Steida
MCL (ossified)
Collaterals are taut in
Extension & ER
PCL is taut and slack in
30 deg flex
early flex
ACL is taut in
full ext
30-60 deg flex
What muscle assists acl
hamstrings
largest quad muscle
V.L.
MC site of MO
Quads
Peak torque of quads
60 deg knee flexion
Peak activity of quads
initial contact to foot flat
Most efficient quad muscle
Vastus intermedius
Muscle which contains articularis genu
Vastus intermedius
Articularis genu fxn
retracts capsule to decrease compression during knee ext
MC contused muscle
quads
MC strained muscle
hams
peak activity of hams
terminal swing
Biceps long head oina
O: Ischial tub
I: fibular head
N: tibial nerve
A: Hip ext + ER
Biceps short head OINA
O: linea aspera
I: fibular head
N: common peroneal n
A: knee flex + ER
Semimem+ Semiten OINA
O: Ischial tub
I: tibia
N: tibial nerve
A: Hip ext + IR, knee flex + IR
Add Magnus OINA
O: Ischial tub
I: adductor tubercle of femur
N: tibial nerve
A: Hip ext + add
6 Ps of compartment syndrome
pain
paresthesia
pallor
pulselessness
paralysis
polar/poikilothermia
Deltoid ligament consists of
Potati
Antati
Cati
Nati
LCL ligament consists of
Antafi
Potafi
Cafi
ST for ATFL sprain
ant drawer
ST for CaFi sprain
talar tilt
MOI for CaFi ligament
DF + inv
CKC Supination
Sinabda
+ SSETT
CKC pronation
Pevadpa + SPITT
Feiss line
Medial mall to 1st MTP
Navicular below feiss line means
pes planus
MLA keystone
talus
PlaCaNa attached to
sustentaculum tali and navicular tub
LLA keystone
cuboid
LLA support
long plantar lig
peroneus longus
keystone of transverse arch
2nd cuneiform
muscles on dorsum of foot
EDB + EHB
1st plantar layer
Abductor hallucis (Porta pedis)
Flexor digitorum brevis
Abductor digiti minimi
2nd plantar layer
Lumbricals
Quadratus plantae
FHL & FDL tendons (master knot of henry)
3rd plantar layer
Flexor hallucis brevis
Adductor hallucis
Flexor digiti minimi brevis
4th plantar layer
Interossei
T post & Peroneus Longus tendones
Muscles supplied by medial plantar nerve
FHB
Abd H.
FDB
1st lumbrical
Position of foot in pes cavus
inverted, supinated, varus