Homework Questions for midterm (ch.1,2,4)

Question 1

motion created by forces that incorporates factors of time, space, & mass moving system is described by which term?

osteokinematics
biomechanics
mechanics
kinematics

Answer 1

kinematics

Question 2

a scalar quantity describes what characteristic(s) of an object?

velocity
distance
direction
magnitude

Answer 2

magnitude

Question 3

the moment arm (MA) is the perpendicular distance bt. the application of force & the ?

resistance
axis
magnitude
pulley

Answer 3

axis

Question 4

putting a wheelchair in motion, the individual must overcome which of Newton’s laws of motion?

Law of action-reaction
law of acceleration
law of inertia
None of the above

Answer 4

Law of Inertia

Question 5

force that pushes body segments together creates:

traction
mobility
distraction
compression

Answer 5

compression

Question 6

increasing the length of the force arm results in?

less resistance for the force to move
more resistance for the force to move
less force needed to move resistance
more force needed to move resistance

Answer 6

less force needed to move resistance

Question 7

forces in the same plane & in the same or opposite directions are?

parallel forces
angular forces
perpendicular forces
concurrent forces

Answer 7

parallel forces

Question 8

stability is increased by?

increasing BOS & raising the COM
narrowing the BOS & lowering the COM
Increasing the BOS & lowering the COM
narrowing the BOC & raising the COM

Answer 8

Increasing the BOS & lowering the COM

Question 9

when resistance is bt the axis & the force, which class of lever is created?

1st
2nd
3rd
none

Answer 9

2nd class lever

Question 10

movement of adjacent joint surface is termed?

arthrokinematic motion
osteokinematic motion
linear motion
angular motion

Answer 10

arthokinematic motion

Question 11

an example of fibrous joint is?

cost sternal joint
suture of the skull
proximal tibiofibular joint
proximal distal radioulnar joint

Answer 11

sutures of the skull

Question 12

when performing osteokinematic flexion of the shoulder, the arthrokinematic glide is the ____ as the roll

opposite direction
perpendicular direction
concurrent direction
same direction

Answer 12

opposite direction

Question 13

synovial fluid provides?

blood supply to synovial membrane
resistance to arthrokinematics motion
nutrients to articular cartilage
all of the above

Answer 13

all of the above

Question 14

is a condyloid joint also a synovial joint?

Answer 14

yes

Question 15

another term to indicate diarthrodial joint is

synarthrodial
cartilaginous
fibrous
synovial

Answer 15

synovial

Question 16

which type of cartilage is articular cartilage?

fibrocartilage
elastic
dense
hyaline

Answer 16

hyaline

Question 17

the arthrokinematic motion of spin is defined as?

1 joint surface moving parallel to the plane of an adjacent joint surface
rotation of 1 point of 1 joint surface on the adjacent joint surface
1 joint surface rolling & gliding on an adjacent joint surface
1 part of a joint rolling on an adjacent joint surface

Answer 17

rotation of a single point of one joint surface on the adjacent joint surface

Question 18

which type of joint provides the most mobility?

fibrous
synovial
cartilaginous
uniaxial

Answer 18

synovial/diarthrosis

Question 19

the closed pack position of a joint:

has the least joint congruency
has the greatest joint play
provides stability
provides mobility

Answer 19

provides stability
&
has the greatest joint congruency

Question 20

the anatomical position is

supine
prone
the starting position for movements
the position of ideal posture

Answer 20

the starting position for movements

Question 21

an individual sitting on a high stool swinging their feet is an example of

closed kinetic chain
contralateral movement
open kinetic chain
anatomical position

Answer 21

open kinetic chain

Question 22

the frontal axis passes ___ through the ___ plane

top to bottom, horizontal
front to back, frontal
side to side, frontal
side to side, sagittal

Answer 22

side to side, sagittal

Question 23

osteokinematic motion includes:

roll
spin
flexion
glide