Paper 3 Flashcards

1
Q

What is PAP training

A

Post activation potentiation

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2
Q

Describe PAP training method

A

Enhancement of neural and type2 muscle fibres for a limited time after performing a high muscle intensity muscle contraction

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3
Q

Motor units are composed of which 2 bodily components

A

A neutron and the muscle fibre it innervates

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4
Q

Explain the all or none law

A

When a motor unit is recruited, all the muscle fibres it innervates are recruited

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5
Q

The amount of times a motor unit fires times per second is known as what

A

Motor unit firing rate

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6
Q

What factor determines how many motor units are recruited when performing resistance exercise

A

The load being lifted and the speed at which its been lifted (eg strength and power training result in high motor recruitment)

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7
Q

Which proprioceptor senses the length of a muscle and the rate at which its lengthening

A

Muscle spindles

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8
Q

Describe stretch reflex

A

An immediate muscle contraction initiated by a muscle spindle when a muscle is lengthened beyond its normal range and/or too quickly

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9
Q

The firing of grouped motor unit resulting in greater timing of force production is known as what?

A

Motor unit synchronisation

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10
Q

What is selective recruitment

A

Recruitment of muscle fibres that create an explosive response (type2 fibres) and simultaneously inhabit type 1 (slow twitch fibres)

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11
Q

What long term effects occur in muscle spindles due to effective strength training

A

Enhanced stretch reflex capabilities and greater force development

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12
Q

What do Golgi tendons sense

A

Amount of tension in a muscle

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13
Q

Describe inverse stretch reflex

A

Relaxation of a muscle due to excessive muscle tension being present,
Initiated by the Golgi tendon organ

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14
Q

When completing unilateral training, which adaptations may occur resulting greater muscle activity in the untrained limb

A

Cross education neural response

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15
Q

Describe bi-lateral strength deficit

A

Increase in muscle activation when performing a uni lateral exercise compared with muscle activation during the performance of a similar,
bi-lateral exercise (eg, greater muscle activity in quads during split squats compared to back squats)

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16
Q

Name 3 muscular adaptations that occur due to resistance training

A
  1. Increase in muscle pennation (angle of muscle fibres)
  2. Increase in myofibrilliar volume
  3. Increase in sacroplasmic reticulum
17
Q

Name 5 muscular adaptations that occur due to hypotrophy specific training

A
  1. Increase in muscle fibre density
  2. Increase in overall muscle size
  3. Increase in protein synthesis
  4. Decrease in mitochondria density
  5. Decrease in capillary density
18
Q

Which form of training increases connective tissue strength, aiding in injury prevention in athletes

A

Strength training/ training with heavy loads

19
Q

What is common term for the endocrine system

A

Hormonal system

20
Q

Name the gland and function associated with human growth hormone.

A

Pituitary gland - growth and repair of all tissues

21
Q

Name the gland and function associated with the cortisol hormone

A

Adrenal gland, secreted in response to stress

22
Q

Insulin hormone

A

Pancreas, reduces blood sugars

23
Q

Testosterone hormone

A

Testes in men, liver and ovaries in females, growth and muscle repair

24
Q

A Hormone that is anabolic serves what function

A

Growth and repair

25
Q

Which hormones are raised as an acute response to resistance training

A

Testosterone, human growth hormone and cortisol

26
Q

Reduced rest periods coupled with high training volume increases which hormone

A

Cortisol

27
Q

What is the function of the endocrine system

A

Maintain homeostasis

28
Q

What external factors result in poor endocrine function, resulting in adaptation to training

A
  1. Poor sleep patterns
  2. Poor nutrition
  3. Excessive emotional stress