EXAM 1

Question 1

USES FOR BIOMECHANICS

WHAT WE THINK IT SHOULD BE

Answer 1

• ERGONOMICS - CAR DESIGN
• DESIGN OF TOOLS
• MATERIAL HANDLING
• DESIGNS OF FACTORIES
• SPORTS EQUIPMENT
• CELL PHONES/ COMPUTERS

Question 2

UNITS OF MEASUREMENTS

6

Answer 2

• DISTANCE: MILES,FT, INCHES/M, MM,
• VELOCITY: M PER SEC, CM/SEC, KM/SEC, FT/SEC, IN/SEC, MI/HR
• ACCELERATION: FT/SEC^2, IN/SEC^2
• GRAVITY: 32.2 FT/S^2
• FORCE: LBS
• MASS: SLUGS

Question 3

SCALAR

Answer 3

-MAGNITUDE
–MASS, SPEED, TIME.
EX: 100 METER RUN, IN 10 SECONDS

Question 4

VECTOR

Answer 4

MAGNITUDE AND DIRECTION
–WEIGHT FORCE, VELO, ACCEL
EX: 100 M RUN SOUTH

Question 5

PLANES OF MOTION

Answer 5

• SAGGITTAL PLANE
• FRONTAL PLANE
• TRANSVERSE PLANE

Question 6

SAGGITTAL PLANE

Answer 6

-SPLITS LEFT FROM RIGHT
–INC, FLEXION, EXTENSION
–MOVEMENTS TO FRONT AND BACK OF BODY
EX: RUNNING

Question 7

FRONTAL PLANE

Answer 7

CUTS FRONT TO BACK

• -JUMPING JACK
• -ABDUCTION, ADDUCTION, ELEVATION DEPRESSION.

Question 8

TRANSVERSE PLANE

Answer 8

• -CUTS TOP FROM BOTTOM
• -TURNING IN A CIRCLE
• -ROTATIONAL MOVEMENTS, LATERAL AND MEDIAL ROTATION, SUPINATION AND PRONATION.

Question 9

AXES OF ROTATION

Answer 9

• MEDIALLATERAL AXES
• ANTEROPOSTERIOR
• LONGITUDINAL

Question 10

MEDIALATERAL AXES

Answer 10

(FRONTAL - HORIZONTAL)

SAGITAL PLANE

Question 11

ANTEROPOSTERIOR AXES

Answer 11

(SAGITAL - HORIZONTAL)

-FRONTAL PLANE

Question 12

LONGITUDINAL AXES

Answer 12

(VERTICLE)

- TRANSVERSE PLANE

Question 13

PLANES OF MOTION MUSCULAR CONTRACTION

Answer 13

CONCENTRIC

• ISOMETRIC
• ECCENTRIC

Question 14

CONCENTRIC

Answer 14

MUSCLE FORCE OVERCOMES RESISTANCE FORCE

Question 15

ISOMETRIC

Answer 15

MUSCLE FORCE=RESISTANCE FORCE

Question 16

ECCENTRIC

Answer 16

MUSCLE FORCE LESS THAN RESISTANCE FORCE. MOST AMOUNT OF FORCE.
-MOST AMOUNT OF FORCE, SPRING ENERYGY ALSO.

Question 17

TYPES OF MOVEMENT (JOINT)

7 COMBOS

Answer 17

• FLEXION, EXTENSION
• ABDUCTION, ADDUCTION
• SUPINATION, PRONATION
• ELEVATION, DEPRESSION
• HORIZONTAL ADDUCTION/ ABDUCTION
• PROTRACTION, RETRACTION
• PLANTAR FLEXION, DORSI FLEXION

Question 18

AGONIST

Answer 18

-CAUSES MUSCLE ACTION. BICEP CURL

Question 19

ANTAGONIST

Answer 19

OPPOSES ACTION STABILIZES. ACTING BUT NOT CAUSING ACTION. TRICEP IN CURL.

Question 20

INCREASE RANGE OF MOTION

Answer 20

1. SLOW STATIC STRETCH: MECHANICALLY STRETCHING THE MUSCLE.

2. PIVF: CONTRACTING AGONIST RESISTANCE.

Question 21

COEFFICIENT OF RESTITUTION

Answer 21

-MEASURES ENERGY RETURNED TO AN OBJECT(BALL) AFTER IT HITS SOMETHING. IT IS A FUNCTION OF THE BALL AND TOE SURFACE.

Question 22

BIOFEEDBACK

Answer 22

ANALYZE ELECTRICAL SIGNALS OF THE BODY IN ORDER TO MODIFY THEM.

• EMG
• EEG
• HR
• BREATHING RATE
• SKIN TEMP

Question 23

ELECTROMNYOGRAPHY (EMG)

Answer 23

MUSCLE ELECTRICAL ACTIVITY

Question 24

ELECTROENCEPHALOGRAM (EEG)

Answer 24

BRAIN WAVES (FRONTAL LOBE, EMOTION, REAR VISION, LEFT VERBAL, RIGHT BRAIN (SPACIOMOTOR).

Question 25

ELECTROCARDIOGRAPHY

Answer 25

HEART ELECTRICAL ACTIVITY

Question 26

HR

Answer 26

HEART RATE

Question 27

BR

Answer 27

BREATHING RATE

Question 28

VISUALIZATION

Answer 28

EXTERNAL: SEE YOURSELF INTERNAL: SEE WHAT YOU WOULD SEE -TRAINING YOUR MIND BUT ALSO TRAINING MUSCLE PATTERNS

Question 29

OPEN SKILL

Answer 29

REACTING TO ENVIRONMENT THAT IS UNSTABLE.

Question 30

CLOSED SKILL

Answer 30

- SELF IMITATED. EX SHOOTING AND GOLF - SOME SPORTS ARE ONE OR THE OTHER - SOME ARE BOTH

Question 31

BIOFEEDBACK

Answer 31

CAN BE USED TO SWITCH BACK AND FORTH BETWEEN AROUSED STATES

Question 32

SYMPATHETIC

Answer 32

FIGHT OR FLIGHT

Question 33

PARASYMPATHETIC

Answer 33

MORE CALM AND RELAXED

Question 34

BONES AND OSTEOPORSIS

Answer 34

DISORDER INVOLVING DECREASED BONE MASS AND STRENGTH WITH ONE OR MORE

Question 35

OSTEOPOROSIS BEINGS AS...

Answer 35

OSTEOPENIA WHICH MEANS REDUCED BONE MASS W/O PRESENCE OF A TENDON

Question 36

WHAT STIMULATED BONE GROWTH

Answer 36

EXERCISE AND WEIGHT LIFTING

Question 37

OSTEOPOROSIS RISK FACTORS

Answer 37

- SMOKING - CALCIUM DEFICIENCY - CERTAIN DRUGS - WEIGHT - PHYSICAL INACTIVITY - TOBACCO

Question 38

TYPES OF ENERG

Answer 38

- KINETIC - POTENTIAL - SPRING - ROTATIONAL

Question 39

KINETIC ENERGY

Answer 39

ENERGY OF MOTION | -KE=1/2MV^2

Question 40

POTENTIAL ENERGY

Answer 40

ENERGY BY VIRTUE OF A BODIES POSITION OR CONFIGURATION, CALCULATED AS PRODUCT OF WEIGHT AND HEIGHT -- PE=MgH

Question 41

SPRING ENERGY

Answer 41

CAPACITY TO DO WORK BY VIRTUE OF A DEFORMED BODYS RETURN TO ITS ORIGINAL SHAPE OF THE SPRING, --SE= 1/2Kx^2. X=SPRING K=CONSTANT

Question 42

ROTATIONAL ENERGY

Answer 42

ENERGY DUE TO ROTATION. | -RE=IW^2. I=MOMENT OF INERTIA W=ANGULAR VELOCITY.

Question 43

IMPULSE/ MOMENTUM

Answer 43

PRODUCT OF A FORCE AND THE TIME INTERVAL OVER WHICH THE TRUE FORCE ACTS

Question 44

HOW TO DECREASE FORCE

Answer 44

INCREASE TIME. - F=MV2-MV1/T - ---EX: FOAM PIT TAKES AWAY FORCE BECAUSE IT TAKES LONGER TIME FOR COMPLETE STOP.

Question 45

SPORTS ANALYSIS

Answer 45

- ANALYS SKILL - INDIV TECHNIQUE - DETERMINE MOST EFFECTIVE TO IMPROVE PERFORMANCE - EX BASEBALL-PITCHING TECHNIQUE

Question 46

2 WAYS TO ANALYSE A MOVEMENT

Answer 46

QUALITATIVE | -QUANTITATIVE

Question 47

QUALITATIVE

Answer 47

VISUAL ANAYLSIS | -DETERMINE GOAL(LOOK AT MUSCLES INVOLVED)

Question 48

QUANTITATVIE

Answer 48

BREAKING DOWN MOVEMENT, DOWN INTO #S, VELO, ACCEL, | -SEE IT IN SLOW AND FAST MOTION (KINEMATICS, ACCELEROMETER)

Question 49

DRAG FORCES

Answer 49

- SURFACE - WAVE - FORM DRAG

Question 50

SURFACE DRAG

Answer 50

ROUGHNESS OF OBJECT

Question 51

FORM DRAG

Answer 51

SHAPE OF OBJECT, ARROW DYNAMICS

Question 52

WAVE DRAG

Answer 52

ENERGY FROM WAVES INTERFACE BETWEEN 2 FLUIDS (UNDERWATER QUICKER)

Question 53

CYCLING

Answer 53

DRAFTING SAVED 40% ENERGY - HELMETS- - POWER=FORCE X VELO - BODY SHAPE - REST HR 30 BPM - GREG LEMOND FASTED TIME EVER