Chapter 3 Biomechanics

Question 1

how forces affect a living body

Answer 1

biomechanics

Question 2

body segment moving away from midline of body

Answer 2

abduction

Question 3

speed of an object

Answer 3

acceleration

Question 4

a muscle that produces abduction of a limb or a joint

Answer 4

abductors

Question 5

muscle tension generated by its contractile elements

Answer 5

active force

Question 6

body segment moving toward the midline of the body

Answer 6

adduction

Question 7

a muscle that produces adduction of a limb or joint

Answer 7

adductors

Question 8

standard posture wherein the body stands upright with arms at sides and pains and face forward

Answer 8

anatomic position

Question 9

a straight line that cuts through the body front to back

Answer 9

anterior-posterior axis

Question 10

a white tendinous sheet that connects muscle to bone

Answer 10

aponeurosis

Question 11

production of an active force while a muscle develops tension while shortening in length

Answer 11

concentric activation

Question 12

programming process that identifies neuromuscular dysfunction, develops a plan of action, and implements a corrective strategy as a part of an exercise training program

Answer 12

corrective exercise

Question 13

production of an active force when a muscle develops tension while lengthening.

Answer 13

eccentric activation

Question 14

action of a muscle when it is generating an eccentric contraction

Answer 14

eccentric function

Question 15

movement at a joint where relative angle between two adjoining segments increases

Answer 15

extension

Question 16

muscle that produces extension of a limb or joint

Answer 16

extensors

Question 17

rotation of a limb or body segment away from midline of the body

Answer 17

external rotation

Question 18

located on outside but acting on a structure to be considered

Answer 18

extrinsic

Question 19

the normal extensibility of soft tissue which allows a joint to be moved through its full range of motion

Answer 19

flexibility

Question 20

bending at a joint where the relative angle between two adjoining segments decreases

Answer 20

flexion

Question 21

muscle that produces flexion of a limb or joint

Answer 21

flexors

Question 22

push or pull that can create, stop, or change a movement. mass x acceleration

Answer 22

force

Question 23

an imaginary plane that bisects the body into equal halves, producing a front half and a back half

Answer 23

frontal plane

Question 24

force that accelerates an object or mass downward toward the earth’s center

Answer 24

gravity

Question 25

equal and opposite external force that is exerted back onto the body by ground

Answer 25

ground reaction force

Question 26

the relatively mobile attachment site

Answer 26

insertion

Question 27

the coordination of muscles to produce. reduce, and stabilize forces in multiple planes for efficient and safe movement

Answer 27

integrated function

Question 28

rotation of a limb or body segment toward midline

Answer 28

internal rotation

Question 29

deep inner muscles behind the superficial abdominals that have a direct effect in stabilizing the lumbo pelvic hip complex

Answer 29

intrinsic core stabilizers