Chapter 9: Muscular Training: Foundation and Benefits Flashcards

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1
Q

Tendon

A

A band of fibrous tissue forming the termination of a muscle and attaching the muscle to a bone.

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2
Q

Axial Skeleton

A

The bones of the head, neck, and trunk.

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3
Q

Central Nervous System

A

The brain and spinal cord.

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4
Q

Ligaments

A

A strong, fibrous tissue that connects one bone to another.

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5
Q

Axis of Rotation

A

The imaginary line or point about which an object, such as a joint, rotates.

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6
Q

Sagittal

A

The longitudinal plane that divides the body into right and left portions.

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7
Q

Frontal

A

A longitudinal section that runs at a right angle to the sagittal plane, dividing the body into anterior and posterior portions,

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8
Q

Transverse

A

Anatomical term for the imaginary line that divides the body, or any of its parts, into upper (superior) and lower (inferior) parts. Also called the horizontal plane.

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9
Q

Flexion

A

The act of moving a joint so that the two bones forming it are brought closer together.

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10
Q

Extension

A

The act of straightening or extending a joint, usually applied to the muscular movement of a limb.

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11
Q

Abduction

A

Movement away from the midline of the body.

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12
Q

Adduction

A

Movement toward the midline of the body.

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13
Q

Supination

A

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

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14
Q

Pronation

A

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

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15
Q

Peripheral Nervous System

A

All nervous structures located outside of the CNS.

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16
Q

Ganglia

A

nerve cell bodies associated with nerves

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17
Q

Proprioception

A

Sensation and awareness of body position and movements.

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18
Q

Autogenic Inhibition

A

An automatic reflex relaxation caused by stimulation of the Golgi tendon organ (GTO).

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19
Q

Reciprocal Inhibition

A

The reflex inhibition of the motor neurons of antagonists when the agonists are contracted.

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20
Q

Gait

A

The manner or style of walking.

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21
Q

Muscle Spindles

A

The sensory organ within a muscle that is sensitive to stretch and thus protects the muscle against too much stretch.

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22
Q

Golgi Tendon Organ

A

A sensory organ within a tendon that, when stimulated, causes an inhibition of the entire muscle group to protect against too much force.

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23
Q

Proprioceptive Neuromuscular Facilitation

A

A method of promoting the response of neuromuscular mechanisms through the stimulation of proprioceptors in an attempt to gain more stretch in a muscle; often referred to as a contract-relax method of stretching,

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24
Q

Vestibular System

A

Part of the central nervous system that coordinates reflexes of the eyes, neck, and body to maintain equilibrium in accordance with posture and movement of the head.

25
Q

Agonist

A

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

26
Q

Prime Mover

A

The muscle directly responsible for observed movement.

27
Q

Antagonist

A

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

28
Q

Fascia

A

Strong connective tissues that perform a number of functions, including developing and isolating the muscles of the body and providing structural support and protection.

29
Q

Epimysium

A

The fascia encasing the entire muscle.

30
Q

Perimysium

A

The fascia covering bundles of muscle fibers.

31
Q

Endomysium

A

The fascia covering the individual muscle fibers.

32
Q

Fast twitch muscle fiber

A

One of several types of muscle fibers found in skeletal muscle tissue; also called type ll fibers
and characterized as having a low oxidative capacity but a high gdcolytic capacity; recruited for rapid, powerful movements such as jumping, throwing, and sprinting.

33
Q

Synergist

A

A muscle that helps the prime mover to be more efficient.

34
Q

Stabilizer

A

A muscle that stabilizes a joint so a movement can be done.

35
Q

Mitochondria

A

The “power plant” of the cells where aerobic metabolism occurs.

36
Q

Actin

A

Thin contractile protein in a myofibril.

37
Q

Myosin

A

Thick contractile protein in a myofibril.

38
Q

Myofibrils

A

The portion of the muscle containing the thick (myosin) and thin (actin) contractile filaments; a series of sarcomeres where the repeating pattern of the contractile proteins gives the striated appearance to skeletal muscle.

39
Q

Sarcomeres

A

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

40
Q

Collagen

A

The main constituent of connective tissue, such as ligaments, tendons, and muscles.

41
Q

Isometric

A

A type of muscular contraction rn which the muscle is stimulated to generate tension but little or no joint movement occurs.

42
Q

Concentric

A

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

43
Q

Eccentric

A

A type of isotonic muscle contraction in which the muscle lengthens against a resistance when it is stimulated sometimes called``negative work’‘or “negative reps.”

44
Q

Co-contraction

A

The mutual coordination of antagonist muscles (such as flexors and extensors) to maintain a position.

45
Q

Isokinetic

A

A type of muscular contraction where tension developed within the muscle changes throughout the range of motion; performed with the use of special equipment; also referred to as “variable resistance” exercise.

46
Q

Isotonic

A

A type of muscular contraction where the muscle is stimulated to develop tension and joint movement occurs.

47
Q

Atrophy

A

A reduction in muscle size (muscle wasting) due to inactivity or immobilization.

48
Q

Anabolic

A

Muscle building effects.

49
Q

Motor unit

A

A motor nerve and all of the muscle fibers it stimulates.

50
Q

Delayed Onset Muscle Soreness

A

Soreness that occurs 24 to 48 hours after strenuous exercise, the exact cause of which is unknown.

51
Q

Specificity

A

Exercise training principle explaining that specific exercise demands made on the body produce specific responses by the body; also called exercise specificity,

52
Q

Overload

A

The principle that a physrological system subjected to above-normal stress will respond by increasing in strength or function accordingly.

53
Q

Anaerobic Glycolysis

A

The metabolic pathway that uses glucose for energy production without requiring oxygen. Sometimes referred to as the lactic acid system or anaerobic glucose system, it produces lactic acid as a by-product.

54
Q

Reversibility

A

The principle of exercise training that suggests that any improvement in physical fitness due to physical activity is entirely reversible with the discontinuation Of the training program.

55
Q

Diminishing Returns

A

Principle stating that after a certain level of performance has been achieved, there will be a decline in the effectiveness of training at furthering a person’s performance level.

56
Q

Supersets

A

An advanced resistance-training approach that involves performing exercises, one after the others, with very little or
no rest between exercises or sets.

57
Q

Compound Sets

A

A resistance-training approach involving the performance of two or more exercises for the same muscle or muscle group in rapid succession.

58
Q

Periodization

A

The systematic application of overload through the pre-planned variation of program components to optimize gains in strength (or any specific component of fitness), while preventing overuse, staleness, overtraining, and plateaus,