Resistance Exercise Flashcards Preview

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Flashcards in Resistance Exercise Deck (14)
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1
Q

What is the basic definition of resistance exercise?

A

Any exercise that causes the muscle to contract against an external resistance

2
Q

What are the three types of muscular contraction?

A

Concentric
Eccentric
Isometric

3
Q

Explain the supercompensation model

A

Exercise causes fatigue/damage, leading to decreased performace, but recovery brings it back to the normal state and then ‘supercompensates’ for a brief period. If no stimulus in time, then ‘involution’ happens where performance slowly decreases back to the level before exercise

4
Q

Explain the muscular Cross Bridge Cycle.

A

-Hydrolysis of ATP causes Myosin head to cock
-Myosin head attaches to binding site on actin
Release of Phosphate causes power stroke
Release of ADP and new ATP binds, breaking the cross bridge

5
Q

What kind of relationship is there between muscular cross sectional area and strength?

A

Linear

6
Q

What are muscles made of, at increasingly smaller levels of organisation?

A
  • Muscle
  • Fascicle
  • Muscle Cell
  • Myofibril
  • Myofilament
7
Q

What is myofibril splitting?

A

When myofibrils get big enough from hypertrophy that they split into two distinct smaller myofibrils

8
Q

When does muscular hyperplasia take place?

A

first 24 weeks of gestation in humans

9
Q

What are the neural adaptations to resistance training?

A
  • Motor unit recruitment pattern efficiency
  • Number of fibres per motor unit
  • Frequency of action potential firing
10
Q

Does fibre type change with training?

A

No but the relative fibre area of each type changes (e.g. type IIa increase in area much more than type I)

11
Q

What is a satellite cell?

A

Quiescent precursor to skeletal muscle cells. They regulate the muscle environment during growth. With anabolic stimulus they activate, proliferate and differentiate

12
Q

What load is more effective for high/low loads?

A
  • High more effective for strength

- Low more effective for hypertrophy

13
Q

What is total training volume?

A

Loadrepssets

14
Q

What is the concept of specifity of training?

A

You get better at what you train