Mod2- Skeleton of lower limb

Question 1

what is a common area of fracture on the femur

Answer 1

neck

Question 2

the tibial tuberosity is what kind of ossification center

Answer 2

secondary

Question 3

what is commonly affected in a bumper fracture

Answer 3

proximal lat tibial condyle and plateu

Question 4

what two bones make up the hindfoot

Answer 4

talus

calcaneous

Question 5

what is the main bone for weight transfer in the foot

Answer 5

talus

Question 6

what sustains the arch of the foot and head of talus

Answer 6

sustentaculum tali

Question 7

what toe doesnt have 3 phalanges

Answer 7

great toe

Question 8

what is the triradiate cartilage and at what age does it fuse

Answer 8

fusion of the ischium, ilium and pubis

13-15

Question 9

at what age does the ossification of the ishiopubic ramus occur

Answer 9

6-8

Question 10

at what age does the hip bone completely ossify

Answer 10

20-25

Question 11

what is the lacunar lig made up of

Answer 11

reflected inguinal lig fibres

Question 12

what does the pectineal lig made up of and do

Answer 12

lacunar lig will continue to make the pectineal lig to connect to sup pubic ramus

Question 13

what divides the vascular lacunea from the nueromuscular lacuna

Answer 13

iliopectineal arch

Question 14

what two muscles run thru neuromuscular lacuna and what nerve

Answer 14

iliacus/psoas and femoral nerve between the groove of them

Question 15

contents of vascular lacuna from med to lat

Answer 15

1. deep inguinal lymph node (femoral ring)
2. femoral vein
3. Femoral artery
4. femoral branch of genitofemoral n

Question 16

what travels thru the obturator canal

Answer 16

obturator nerve, artery and vein

Question 17

Sacrotuberous lig attachments (4)`

Answer 17

PSIS
Post sacroiliac lig
Lower lat sacral crest
lateral margins of lower sacrum and upper coccyx

Question 18

Sacrospinous lig attachments

Answer 18

ischial spine to lat margin of sacrum, coccyx ant.

Question 19

what condyle of the femur has the more prominant epicondyle

Answer 19

medial (adductor tubercle)

Question 20

where is the linea aspera femoris located

Answer 20

on post shaft of femur (roughness)

Question 21

Difference CAM and Pincer impingment

Answer 21

CAM- misshapen femoral head/ or femoral neck

Pincer- hip socket covers too much of the femoral head

Question 22

what is slipped capital femoral epiphysis and what age is it most common

Answer 22

weakend epiphyseal growth plate and femoral head slips away from femoral neck
-10-17 y old (more common in male)

Question 23

what is the most frequent site of a tibial fracture

Answer 23

junction of middle and inferior thirds

Question 24

On patella where does;
quad femoris tendon attach
Vastus intermedius and rectus femoris
Lateralis
Medialis

Answer 24

qf- base
lat- medial border
intermed-lat border
med- apex

Question 25

what is the only bone in the foot w no muscular or tendinous attachments

Answer 25

talus

Question 26

how many articular facets on the talus

Answer 26

6 ant- joins navicular ant/middle/post calcaneal medial + lateral for med and lat malleoli

Question 27

what is the taral sinus between

Answer 27

calcaneal sulcus and talar sulcus

Question 28

fibular trochlea- where is it located and what passes by it

Answer 28

lateral surface of calcaneous | fibularis longus pases sup to it

Question 29

what attaches to the medial calcanea tuberosity

Answer 29

``` abductor hallucis abductor digiti minimi flexor digitorum brevis flexor retinaculum plantar aponeurosis ```

Question 30

what is freiberg disease

Answer 30

collapse of the articular surface of the 2nd metatarsal head

Question 31

what is os trigonum

Answer 31

small secondary ossification of the talus fails to unite w the body of the talus

Question 32

What are the palpable features anteriorly

Answer 32

``` ASIS Pubic crest/symphysis Patella Abductor tubercle Ant tibia Nerdy Tubercle Tibial tuberosity and tibia Lat + Med malleolus Tuberosity of 5th tuberosity of navicular (med) ```

Question 33

what are the palpable features post

Answer 33

``` PSIS ischial tub greater trochanter Med + lat epicondyle/condyle head/ neck of fib med + lat malleolus calcaneal tub tuberosity of navicular ```