Exercise Physiology


Physiological adaptations to flexibility

Increased Elasticity/ Greater length of connective tissue

Increased resting elasticity

Greater range of movement at a joint

Greater range of movement before the stretch reflex is initiated


decreased risk of injury

improved posture

improved performance

increase speed and efficiency

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Organised division of training into specific blocks

Macro cycle- long term planning/ 6 months +

Meso cycle- middle/ 4 months

Micro cycle- short term/ 1-3 weeks

may be organised into pre season/competition/off season

ensures peak performance at the correct time

Variation- maintains motivation

Moderation- prevents over training

Overload- in blocks easy to alter intensity

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Physiological factors affecting Strength

Cross sectional area of the muscle tissue

percentage of fast twitch fibres

amount of strength training already taken place

amount of testosterone in the body


doesn't require complicated equipment

recrutiing more motor units to increase force of contraction

most associated to lower leg

more beneficial to performers who perform explosive movements

not appropriate for novices performers as risk of injury is high

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lactic acid must be removed

lactic acid converted back into pyruvic acid

pyruvic acid enters the kreb cycle

broken down to carbon dixoxide and water

process takes about an hour

uses between 5 and 8 litres of oxygen

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