The Human Movement System

Question 1

Consist of brain and spinal cord; coordinates activity of body parts

Answer 1

CNS - central nervous system

Question 2

Consists of all nerves branching off spinal cord, extending out to the body

Answer 2

PNS - peripheral nervous system

Question 3

Mechanoreceptors

Answer 3

Sense distortion in body tissues

Question 4

Gogli tendon organs - GTO

Answer 4

Sense changes in tension

Question 5

Muscles spindles

Answer 5

Sense changes in length

Question 6

Cumulative sensory input to the CNS from all mechanoreceptors

Answer 6

Proprioception

Question 7

Connect muscle to bone; anchor to produce force; limited blood flow, slow to repair

Answer 7

Tendons

Question 8

Individual contractile units, actin and myosin filaments

Answer 8

Sarcomeres

Question 9

Aerobic; slower to reach maximal contraction; resistant to fatigue

Answer 9

Type I (slow twitch) muscle tissue

Question 10

More anaerobic; produce more speed and strength; faster to fatigue

Answer 10

Type II (fast twitch) muscle tissue

Question 11

Extensibility, elasticity, irritability, ability to develop tension

Answer 11

Behavioral properties of muscle

Question 12

Isolated function (concentric action) and common exercise of QUADRICEPS

Answer 12

Knee extension

Squat (upward phase)

Question 13

Isolated function (concentric action) and common exercise of HAMSTRINGS

Answer 13

Knee flexion

Hamstrings curl

Question 14

Isolated function (concentric action) and common exercise of GASTROCNEMIUS

Answer 14

Plantar flexion

Calf raise

Question 15

Isolated function (concentric action) and common exercise of GLUTEUS MAXIMUS

Answer 15

Hip extension and external rotation

Lunge (upward phase)

Question 16

Isolated function (concentric action) and common exercise of RECTUS ABDOMINIS

Answer 16

Spinal flexion, lateral flexion, and rotation

Ball crunch

Question 17

Isolated function (concentric action) and common exercise of PECTORALIS MAJOR

Answer 17

Shoulder flexion, and horizontal adduction

Push-up

Question 18

Isolated function (concentric action) and common exercise of LATISSUMUS DORSI

Answer 18

Shoulder extension, adduction, and internal rotation

Band row

Question 19

Isolated function (concentric action) and common exercise of BICEPS

Answer 19

Elbow flexion

Biceps curl

Question 20

Isolated function (concentric action ) and common exercise of TRICEPS

Answer 20

Elbow extension

Triceps extension

Question 21

Connect bone to bone, limited blood flow, slow to repair

Answer 21

Ligaments

Question 22

Axial skeleton

Answer 22

Skull, rib cage, and vertebral column

Question 23

Appendicular skeleton

Answer 23

Bones of upper and lower extremities

Question 24

Skeletal system functions

Answer 24

Movement, support, protection, blood production, mineral storage

Question 25

Non-synovial joint

Answer 25

No joint cavity or connective tissue, little to no movement

Example: duties of the skull

Question 26

Synovial joint

Answer 26

Produces synovial fluid; has joint cavity and connective tissues

Question 27

Receives blood from outside the heart - superior chambers

Answer 27

Atria

Question 28

Gathers deoxygenated blood from body

Answer 28

Right atrium

Question 29

Gathers oxygenated blood from lungs

Answer 29

Left atrium

Question 30

Inferior chambers, force blood out of heart

Answer 30

Ventricles

Question 31

Pumps deoxygenated blood to lungs

Answer 31

Right ventricle

Question 32

Pumps oxygenated blood to body

Answer 32

Left ventricle

Question 33

Pacemaker of the heart, located in right atrium, receives signal to contract

Answer 33

Sinoatrial node (SA)

Question 34

Transport blood away from heart

Answer 34

Arteries

Question 35

Transport blood back to heart

Answer 35

Veins

Question 36

Amount of blood pumped with each contraction

Answer 36

Stroke volume

Question 37

3 functions of blood

Answer 37

Transportation, regulation, protection

Question 38

Components that move air in and out of the body

Answer 38

Respiratory pump