Exam 1

Question 1

What is the branch of mechanics that describes the motion of a body?

Answer 1

kinematics

Question 2

What is the branch of mechanics that describes the effect of forces on the body?

Answer 2

kinetics

Question 3

Flexion, extension, abduction, and adduction of the shoulder are examples of what motion?

Answer 3

osteokinematic

Question 4

Abduction and adduction of the shoulder and hip occur in which plane?

Answer 4

Frontal

Question 5

The movement that occurs between articulating surfaces of joints is known as what motion?

Answer 5

arthrokinematic

Question 6

When the convex part of the joint moves on a concave surface, the roll and slide mechanics occur in which direction?

Answer 6

opposite

Question 7

The perpendicular distance between a joint’s axis of rotation and the force acting on a limb is known as a ?

Answer 7

moment/lever arm

Question 8

When an internal torque is greater than the opposing external torque, a — contraction occurs

Answer 8

concentric

Question 9

The angle of a joint can significantly influence muscular strength (true/false)

Answer 9

true

Question 10

When a healthy ligament is strained within the — zone, it will return its original length once the force has been removed from the tissue

Answer 10

elastic

Question 11

If an individual presents with a 140 degree angle of inclination, it would be described as considered —

Answer 11

coxa valga

Question 12

If a patient has excessive anteversion of the proximal femur, how will they compensate when walking to optimize joint alignment?

Answer 12

toe in

Question 13

A patient who presents with a larger than normal — angle has an increased chance of femoroacetabular impingement (FAI)

Answer 13

center-edge

Question 14

A posterior pelvic tilt is associated with which osteokinematic motion of the hip?

Answer 14

Extension

Question 15

— and — complete the force couple that creates an anterior pelvic tilt

Answer 15

erector spinae; iliopsoas

Question 16

A patient who has a decreased — slide will present with limited hip abduction.

Answer 16

inferior

Question 17

When an individual is in right single leg stance, eccentric action of the right — controls hip adduction in the frontal plane

Answer 17

gluteus medius

Question 18

The lumbar spine acts as a “decoupler” that allows for — lumbopelvic rhythm

Answer 18

contradirectional

Question 19

Since there is no primary muscle that internally rotates the hip, the secondary function of several different hip muscles combine to complete the motion of internal rotation (true/false)

Answer 19

true

Question 20

The primary restraint against hip flexion when the knee is extended is the —

Answer 20

hamstrings

Question 21

A lateral knee angle that exceeds 180 degrees is known as —

Answer 21

genu varum

Question 22

The — is responsible for absorbing and dispersing stress throughout the tibiofemoral joint and increasing concavity for optimal roll and slide mechanics

Answer 22

meniscus

Question 23

The tibiofemoral possesses — degrees of freedom

Answer 23

2

Question 24

The knee has a fixed axis of rotation that makes it simple for fitting braces or external orthoses (true/false)

Answer 24

false

Question 25

Axial rotation is named for the position of the — relative to the —

Answer 25

anterior femur; tibial tuberosity

Question 26

Arthrokinematics for femoral on tibial knee extension involve a(n) — roll and — slide

Answer 26

anterior; posterior

Question 27

The anterior cruciate ligament becomes fully taut when the knee is

Answer 27

extended to 0

Question 28

Approximately 70% of ACL tears are due to contact injury (true/false)

Answer 28

false

Question 29

The patella is in a position of greatest congruence within the trochlear groove when the knee is flexed to

Answer 29

60-90

Question 30

The patella increases the — of the knee extensor mechanism

Answer 30

internal moment arm