Joints

Question 0

What increases the depth of the acetabulum?

Answer 0

acetabular labrum

Question 1

What is the classification of the hip joint?

Answer 1

synovial ball and socket

Question 2

What supports the hip joint anteriorly and superiorly?

Answer 2

iliofemoral ligament

Question 3

What is the function of the iliofemoral ligament?

Answer 3

prevents hyperextension of the hip joint during standing

Question 4

Where is the iliofemoral ligament located?

Answer 4

ASIS and acetabular rim to intertrochanteric line

Question 5

What supports the hip joint inferiorly and anteriorly?

Answer 5

pubofemoral ligament

Question 6

Where is the pubofemoral ligament located?

Answer 6

obturator crest of pubic bone to fibrous layer of joint capsule

Question 7

What is the function of the pubofemoral ligament?

Answer 7

resists excessive abduction of the hip joint

Question 8

What supports the hip joint posteriorly?

Answer 8

ischiofemoral ligament

Question 9

Where is the ischiofemoral ligament located?

Answer 9

ischial part of acetabular rim and spirals to the neck of the femur, medial to the base of the greater trochanter

Question 10

What supplies the hip joint?

Answer 10

medial and lateral circumflex femoral arteries and artery to the head of femur

Question 11

What innervates the hip joint?

Answer 11

femoral nerve, obturator nerve, superior gluteal nerve, and nerve to quadratus femoris

Question 12

What is the classification of the knee joint?

Answer 12

synovial hinge joint

Question 13

What are the three articulations of the knee joint?

Answer 13

medial and lateral femorotibial articulations and femoropatellar articulation

Question 14

What are the femorotibial articulations?

Answer 14

between the lateral and medial femoral and tibial condyles

Question 15

What is the femoropatellar articulation?

Answer 15

between the patella and the femur

Question 16

What is the most important muscle in stabilizing the knee joint?

Answer 16

quadriceps femoris, particularly the inferior fibers of the vastus medialis and lateralis

Question 17

What are the ligaments of the knee joint capsule?

Answer 17

patellar, tibial collateral, oblique popliteal, arcuate popliteal, and fibular collateral ligaments

Question 18

Where is the patellar ligament?

Answer 18

distal part of quadriceps tendon, passing from apex and adjoining margins of the patella to the tibial tuberosity

Question 19

When are the collateral ligaments of the knee taut? Slack?

Answer 19

taut when the knee is fully extended; slack as flexion occurs, allowing rotation at knee

Question 20

Where is the lateral collateral ligament located?

Answer 20

inferiorly from lateral epicondyle of femur to lateral surface of head of fibula

Question 21

Where is the medial collateral ligament located?

Answer 21

from medial epicondyle of femur to medial condyle and superior part of the medial surface of the tibia

Question 22

What strengthens the knee joint posteriorly?

Answer 22

oblique popliteal ligament

Question 23

Where is the oblique popliteal ligament located?

Answer 23

posterior to the medial tibial condyle and attaches to the central part of the posterior part of the joint capsule

Question 24

What is the function of the ACL?

Answer 24

limits posterior rolling of the femoral condyles on the tibial plateau during flexion. It also prevents posterior displacement of the femur on the tibia and hyperextension of the knee joint

Question 25

Where is the ACL located?

Answer 25

anterior intercondylar area of the tibia to the posterior part of the medial side of the lateral condyle of the femur

Question 26

Where is the PCL located?

Answer 26

posterior intercondylar area of the tibia to the anterior part of the lateral surface of the medial condyle of the femur

Question 27

What is the function of the PCL?

Answer 27

limits anterior rolling of the femur on the tibial plateau during extension. It also prevents anterior displacement of the tibia on the femur and helps prevent hyperflexion of the knee

Question 28

What is the function of the menisci of the knee joint?

Answer 28

deepen the surface and act in shock absorption

Question 29

Where is the anterior talofibular ligament located?

Answer 29

from lateral malleolus to the neck of the talus

Question 30

Where is the posterior talofibular ligament located?

Answer 30

from the malleolar fossa of the fibula to the lateral tubercle of the talus

Question 31

Where is the calcaneofibular ligament?

Answer 31

from the tip of the lateral malleolus to the lateral surface of the calcaneus

Question 32

What are the major ligaments of the planter aspect of the foot?

Answer 32

plantar calcaneonavicular, long plantar, and plantar calcaneocuboid ligaments

Question 33

What is the classification of the subtalar joint?

Answer 33

plane synovial

Question 34

What movements occur at the subtalar joint?

Answer 34

inversion and eversion

Question 35

What makes up the subtalar joint?

Answer 35

inferior surface of body of talus and superior surface of calcaneous

Question 36

What supplies the subtalar joint?

Answer 36

posterior tibial and fibular arteries

Question 37

What innervates the subtalar joint?

Answer 37

plantar aspect: medial or lateral plantar nerve | dorsal aspect: deep fibular nerve

Question 38

What is the classification of the talocalcaneonavicular joint?

Answer 38

synovial | talonavicular is ball and socket

Question 39

What movements occur at the talocalcaneonavicular joint?

Answer 39

gliding and rotatory

Question 40

What makes up the talocalcaneonavicular joint?

Answer 40

head of talus with calcaneous and navicular bones

Question 41

What supplies the talocalcaneonavicular joint?

Answer 41

anterior tibial artery

Question 42

What innervates the talocalcaneonavicular joint?

Answer 42

plantar aspect: medial or lateral plantar nerve | dorsal aspect: deep fibular nerve

Question 43

What is the classification of the calcaneocuboid joint?

Answer 43

plane synovial

Question 44

What movements occur at the calcaneocuboid joint?

Answer 44

inversion, eversion, circumduction

Question 45

What makes up the calcaneocuboid joint?

Answer 45

anterior end of calcaneous and posterior surface of cuboid

Question 46

What supplies the calcaneocuboid joint?

Answer 46

anterior tibial artery

Question 47

What innervates the calcaneocuboid joint?

Answer 47

plantar aspect: medial or lateral plantar nerve | dorsal aspect: deep fibular nerve

Question 48

What is the classification of metatarophalangeal joints?

Answer 48

condyloid synovial

Question 49

What are the movements of the metatarsophalangeal joint?

Answer 49

flexion, extension, and some abduction, adduction, and circumduction

Question 50

What makes up the metatarsophalangeal joint?

Answer 50

heads of metatarsal bones with bases of proximal phalanges

Question 51

What is the classification of the interphalangeal joint?

Answer 51

hinge synovial

Question 52

What movements occur at the interphalangeal joint?

Answer 52

flexion and extension

Question 53

What makes up the interphalangeal joint?

Answer 53

head of one phalanx with base of one distal to it

Question 54

What makes up the medial longitudinal arch?

Answer 54

calcaneus, talus, navicular, three cuneiforms, and three metatarsals

Question 55

What makes up the lateral longitudinal arch?

Answer 55

calcaneus, cuboid, and lateral two metatarsals

Question 56

What makes up the transverse arch of the foot

Answer 56

cuboid, cuneiforms, and bases of metatarsals

Question 57

Which structures are most important in maintaining the arches?

Answer 57

the plantar ligaments and plantar aponeurosis