Strength Training-Physiological Adaptations
- Created by: Elise_parfitt
- Created on: 01-03-19 12:50
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- Strength Training-Physiological adaptaions
- Muscular System
- -Muscle hypertrophy
-Muscle hyperplasia
-Fast-twitch muscle fibres can greatly increase in size
-Increased strength
-Increased power
-Increased ATP and PC stores
-Increased protein synthesis
- Hypertrophy: Myofibrils become thicker due to increased protein synthesis
- Muscle Fibres: May split (hyperplasia) and form new cells, however studies are inclusive
- Increased size of contractile protein
- Increased number of Cross-bridges
- -Muscle hypertrophy
-Muscle hyperplasia
-Fast-twitch muscle fibres can greatly increase in size
-Increased strength
-Increased power
-Increased ATP and PC stores
-Increased protein synthesis
- Metabolism
- -Increased glycogen stores
-Increased phosphocreatine stores
-Increased amount of ATP
-Increased time until OBLA occurs
-Increased tolerance to lactic acid
-Increased amount of glycolytic enzymes
-Increased use of gylcogen
- Energy stores increase; glycogen, ATP and PC stores
- Increased ability of FT muscle fibres to work with lactic acid
- Increased anaerobic threshold
- Increased removal of lactic acid
- Increased intensity/duration of performace delaying OBLA
- -Increased glycogen stores
-Increased phosphocreatine stores
-Increased amount of ATP
-Increased time until OBLA occurs
-Increased tolerance to lactic acid
-Increased amount of glycolytic enzymes
-Increased use of gylcogen
- Nerves
- -Increased motor recruitment
-Increased quantity of force that can be produced
-Increased synchronisation of motor unit activation
-Can lead to the autogenic inhibition of the Golgi tendon organ
- Golgi tendon inhibition. This means that you feel less pain when training, which allows you to train harder.
- Reduced Antagonistic inhibition (Antagonist strecthes more which allows the agonist to generate more force
- Through resistance training the total number of motor units recruited increases and there is improved synchronisation. This is particularly with FT muscle fibres.
- Improved co-ordination of the stimulation of motor units
- -Increased motor recruitment
-Increased quantity of force that can be produced
-Increased synchronisation of motor unit activation
-Can lead to the autogenic inhibition of the Golgi tendon organ
- Connective Tissue
- -Increased strength of ligaments and tendons
-Increased stability of the joint
-Decreased risk of joint injuries
- Bones become thicker and stronger
- Ligaments and tendons become stronger
- -Increased strength of ligaments and tendons
-Increased stability of the joint
-Decreased risk of joint injuries
- The Cardiovascular System
- Pure Strength Training will cause:
- Cardiac Hypertrophy
- Increased density of capillaries
- Increased blood pressure
- Decreased volume of left ventricle
- Pure Strength Training will cause:
- Muscular System
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