exam 3 p

Question 1

which area of the acetabulum is formed by the ischium

Answer 1

posteroinferior

Question 2

angle of inclination of femur

Answer 2

125

Question 3

where does the femoral head contact the articular surface when leg is not bearing weight (swing phase)

Answer 3

the outer margin of the semilunar surface only

Question 4

what type of cartilage covers the acetabulum surface

Answer 4

hyaline

Question 5

which bony structure is the labrum of the hip attached

Answer 5

acetabulum

Question 6

the hip joint is a

Answer 6

synarthrodial ball and socket

Question 7

which muscle shares its proximal attachment with the long head of biceps femoris tendon

Answer 7

semitendinosus (on ischial tuberosity)

Question 8

which peripheral nerve innervates the hamstring part of adductor magnus

Answer 8

tibial division of the sciatic nerve

Question 9

what are the actions of the pectineus muscle on the hip joint

Answer 9

flexion and internal rotation

Question 10

which muscle attaches to the lateral aspect of the superior rim of acetabulum

Answer 10

indirect head of rectus femoris

Question 11

which muscle attaches to ASIS

Answer 11

sartorius

Question 12

which muscle attaches to the AIIS

Answer 12

direct head of rectus femoris

Question 13

what motion happens at the hip joint to produce anterior pelvic tilt

Answer 13

flexion

Question 14

at what angle of hip abduction are torques the highest

Answer 14

0 degrees

Question 15

which rotational movements of the hip occur in the horizontal plane

Answer 15

internal/external rotation

Question 16

what is a negative biomechanical consequence of coxa valga orientation of femur

Answer 16

decreased moment arm for abductor muscles

Question 17

what structure of femur does the popliteus tendon attach

Answer 17

lateral condyle

Question 18

where is the odd facet located on the articular surface of patella

Answer 18

medial aspect

Question 19

where is the adductor tubercle of the femur located

Answer 19

superior to medial epicondyle

Question 20

which meniscus has its roots attaching farthest apart in the intercondylar area

Answer 20

medial

Question 21

which ligament attaches to the lateral aspect of the medial femoral condyle within the intercondylar fossa

Answer 21

PCL

Question 22

which ligament is the major passive restraint to lateral movement of the patella

Answer 22

medial patellofemoral ligament

Question 23

what is the distal attachment site of the fibular lateral collateral ligament

Answer 23

head of fibula

Question 24

which tendon attaches to the anterior surface of the patella

Answer 24

rectus femoris

Question 25

which structure of the knee attaches to the anterolateral tubercle of the tibia

Answer 25

IT band

Question 26

distal attachment of biceps femoris

Answer 26

fibular head

Question 27

which muscle has an action that unlocks knee by internally rotation the tibia

Answer 27

popliteus

Question 28

which quad muscle has obliquely oriented fibers that attach to the patella to balance laterally directed forces during knee flexion

Answer 28

vastus medialis

Question 29

which muscle of the anterior compartment of the thigh can contribute to flexion

Answer 29

sartorius

Question 30

which amount of knee flexion causes the odd facet of patella to engage with the femur

Answer 30

135 degrees

Question 31

which type of load is increased at the knee joint when there is weakness in hip abduction forces

Answer 31

valgus

Question 32

what bony structure serves as landmarks in the clinical Q angle measurement

Answer 32

ASIS, patella, tibial tuberosity

Question 33

during which range of knee flexion/extension does the screw home mechanism occur

Answer 33

0-10 degrees

Question 34

Which group of muscles can add dyanmic stability against a valgus force at the knee joint, thereby sparing the medial collateral ligament

Answer 34

pes anserine

Question 35

Which metatarsal has a prominent tuberosity at its base

Answer 35

5th

Question 36

Which component of the talus articulates with the navicular at the talonavicular joint?

Answer 36

head

Question 37

Which ligament supports the head of the talus during weight-bearing of the foot?

Answer 37

plantar calcaneonavicular

Question 38

Which ankle ligament is most commonly injured with excessive inversion AND dorsiflexion of the ankle

Answer 38

calcaneofibular

Question 39

What is the proximal attachment of the deltoid ligament?

Answer 39

medial malleolus

Question 40

Which ligament of the ankle is injured by inversion and plantar flexion of the ankle?

Answer 40

anterior talofibular

Question 41

which muscle attaches to navicular

Answer 41

tibialis posterior

Question 42

which muscle can plantarflex ankle and evert foot

Answer 42

fibularis longus

Question 43

which tendon passes in a groove on the inferolateral surface of the cuboid?

Answer 43

fibularis longus

Question 44

which muscle can dorsiflex the ankle AND invert the foot?

Answer 44

tibialis anterior

Question 45

major function of intrinsic muscles of foot

Answer 45

reinforce longitudinal arches

Question 46

Which movements of the foot and ankle occur in the coronal plane?

Answer 46

inversion and eversion

Question 47

what movement of the hindfoot can compensate for a lack of dorsiflexion range at the ankle?

Answer 47

pronation

Question 48

movement of the 1st metatarsophalangeal joint increases the tension on the plantar aponeurosis?

Answer 48

Extension

Question 49

which movements of foot and ankle occur in horizontal plane

Answer 49

abd/adduction

Question 50

which extrinsic muscle is the major reinforcement of medial longitudinal arch

Answer 50

tibialis posterior