Vocabulary

Question 0

Antagonist

Answer 0

The muscle that acts in opposition to the contraction produced by an agonist (prime mover) muscle.

Question 1

Agonist

Answer 1

The muscle directly responsible for observed movement; also called the prime mover

Question 2

Synergist

Answer 2

A muscle that assists another muscle in function.

Question 3

Co-contraction

Answer 3

The muscle coordination of antagonist muscles such as flexors and extensors to maintain a position.

Question 4

Pronate

Answer 4

Internal rotation of the forearm causing the radius to cross diagonally over the ulna and the palm to face posteriorly.

Question 5

Supinate

Answer 5

External rotation of the forearm (radioulnar joint)that causes the palm to face anteriorly.

Question 6

Sternoclavicular joint

Answer 6

The junction of the sternum and the proximal clavicle.

Question 7

Sarcomere

Answer 7

The basic functional unit of the myofibril containing the contractile proteins generate skeletal muscle movements.

Question 8

Sagittal plane

Answer 8

The plane that divides the body into right and left sections

Question 9

Shoulder joint complex

Answer 9

The three segments of the shoulder and scapula clavicle and humorous

Question 10

Slow twitch muscle fiber

Answer 10

Muscle fiber designed for use of aerobic glycolysis and fatty acid oxidation, recruited for low intensity, longer duration activities such as walking and swimming also called type 1 muscle fiber.

Question 11

Stroke volume

Answer 11

The amount of blood pumped from the left ventricle of the heart with each beat

Question 12

Steady state

Answer 12

Constant submaximal exercise below the lactate threshold where the oxygen consumption is meeting the energy requirements of the activity.

Question 13

Sinoatrial node

Answer 13

A group of specialized myocardial cells, located in the wall of the right atrium, that controls the hearts rate of contraction; the pacemaker of the heart.

Question 14

VT2

Answer 14

Metabolic marker which represents the point at which a high-intensity exercise can no longer be subsisting due to an accumulation of lactate. Also called the respiratory compensation threshold RCT

Question 15

Retraction

Answer 15

Scapular adduction

Question 16

Resting metabolic rate

Answer 16

The number of calories expended per unit of time at rest; majorly in the morning after an overnight fast and that least eight hours of sleep; approximated with various formulas.

Question 17

1 kg =

Answer 17

2.2 lb.

Question 18

SAID Principle

Answer 18

Specific adaptations to the imposed demands. A runner would train by running.

Question 19

Concentric

Answer 19

A type of isotonic muscle contraction in which the muscle develops tension and shortens when stimulated.

Question 20

Eccentric

Answer 20

A type of isotonic muscle contraction in which the muscle lengthens against resistance wanted to stimulated to; sometimes called negative work or negative reps.

Question 21

Thomas Test

Answer 21

To assess the length of the muscles involved in hip flexion. This test can actually assess the length of the primary hip flexors.
Equipment: table