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ACE Lesson 13: Applied Kinesiology > Applied Kinesiology > Flashcards

Flashcards in Applied Kinesiology Deck (69)
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1

Newton's 3 laws of motion

1) Law of inertia
2) Law of acceleration
3) Law of reaction

2

the study of the form, pattern, or sequence of movement without regard for the forces that may produce motion

kinematics

3

the branch of mechanics that describes the effects of forces on the body

kinetics

4

internal force is produced by...

e.g., the muscles

5

external force is produced by...

e.g., gravity's pull on the barbell

6

the law that states that a body at rest will stay at rest and that a body in motion will stay in motion (with the same direction and velocity) unless acted upon by an external force

law of intertia

7

the law that states that the force acting on a body in a given direction is equal to the body's mass multiplied by the body's acceleration in that direction

law of acceleration

8

the law that states that every applied force is accompanied by and equal and opposite reaction force (for every action there is an equal and opposite reaction)

law of reaction

9

a change in an object's position in relation to another object

motion

10

4 types of motion

1) rotary
2) translatory
3) curvilinear
4) general plane

11

motion around a joint (fixed axis point)

rotary

12

object in motion is not tied down and moves in a straight line

translatory

13

mixture of rotary and translatory motions

curvilinear

14

motions at various joints that are simultaneously linear and rotary

general plane

15

the fixed point of a lever

fulcrum

16

T/F: The center of a joint acts as a fulcrum for rotary motion of the body segments.

True

17

T/F: To lessen the resistance as fatigue occurs, move the weight closer to the working joint.

True

18

T/F: A longer lever arm (for motive force) and a shorter lever arm (for resistance) creates a situation where less muscular force is required to lift the same weight.

True

19

T/F: Longitudinal muscles allow for slow contractions but large force contractions.

False

Fast/speedy contractions but small force contractions

20

the 4 articulations (joints) of the shoulder joint complex

1) scapulothoracic (S/T) articulation
2) acromioclavicular (A/C) joint
3) glenohumeral (G/H) joint
4) sternoclavicular (S/C) joint

21

the junction of the sternum and the proximal clavicle

sternoclavicular (S/C) joint

22

the junction of the acromion process of the scapula with the distal clavicle

acromioclavicular (A/C) joint

23

the ball-and-socket joint composed of the glenoid fossa of the scapula and the humeral head

glenohumeral (G/H) joint

24

the muscles and fascia connecting the scapulae to the thorax

scapulothoracic (S/T) joint

25

the most mobile joint in the body

glenohumeral (G/H) joint

26

the relationship where the G/H and S/T joints work together to produce coordinated flexion and extension in the sagittal plane and abduction and adduction in the frontal plane

scapulohumeral rhythm

27

anterior shoulder girdle muscles

pectoralis minor and serratus anterior

28

The serratus anterior works as a synergist with what muscle to produce upward rotation of the scapula?

upper trapezius

29

posterior shoulder girdle muscles

trapezius, rhomboids, and levator scapulae

30

T/F: Both anterior and posterior shoulder girdle muscles have no attachment to the humerus, and their action does not directly result in glenohumeral motion.

True