Kinesiology/Biomechanical Principles

Question 1

Study of angular movements (rotation)

Answer 1

ostiokinematics

Question 2

study of translatoric movements (sliding/gliding)

Answer 2

arthrokinematics

Question 3

what is the axis of a sagittal plane motion

Answer 3

frontal (medial/lateral)

Question 4

what is the axis of a frontal plane motion

Answer 4

sagittal (anterior/posterior)

Question 5

what is the axis of a transverse plane motion

Answer 5

vertical axis

Question 6

what is a reverse muscle action

Answer 6

the proximal segment moves on a relatively fixed distal segment

Question 7

Open or closed chain: fixed distal segment

Answer 7

closed

Question 8

Open or closed chain: fixed proximal segment

Answer 8

open

Question 9

what type of end-feel: bone against bone

Answer 9

hard

Question 10

what type of end-feel: soft tissue approximation

Answer 10

soft

Question 11

what type of end-feel: firm but slightly yielding

Answer 11

firm

Question 12

what type of end-feel: slack in joint capsule is taken up

Answer 12

capsular

Question 13

what type of end-feel: rebound is felt as musculotendinous slack is taken up

Answer 13

elastic

Question 14

what type of end-feel:
empty or at the wrong time or with the wrong quality

Answer 14

abnormal end-feel

Question 15

concave moving on convex: roll and slide?

Answer 15

same

Question 16

convex on concave: roll and glide

Answer 16

opposite

Question 17

separation of joint surfaces

Answer 17

distraction

Question 18

joint surfaces get closer together

Answer 18

approximation

Question 19

progressive strain when exposed to a constant load over time

Answer 19

creep

Question 20

decrease in stress over time that occurs when a body is suddenly strained , and the strain is maintained at a constant magnitude afterward

Answer 20

stress relaxation

Question 21

simultaneous contraction by an agonist and its antagonist

Answer 21

co-contraction

Question 22

pair of muscles that work together to produce a motion

Answer 22

synergists

Question 23

when two or more muscles work together to produce forces in different linear directions yet torques act in the same rotary direction

Answer 23

force-couple

Question 24

tendon action of a muscle occurring with multi joint muscles

Answer 24

tenodesis

Question 25

mechanical advantage ratio greater than 1

Answer 25

good

Question 26

mechanical advantage ratio less than 1

Answer 26

poor

Question 27

-bones joined by dense connective tissue
- negligible movement
- no joint cavity

Answer 27

synarthrosis

Question 28

-bones joined by fibrocartilage/ hyaline cartilage
-restrained movement
-no joint cavity

Answer 28

amphiarthrosis

Question 29

-synovial joint
-contains a fluid filled cavity

Answer 29

Diarthrosis