Theories and Concepts

What is DOMS and what muscle contraction is predominantly affected by it?

Explain the SLIDING-FILAMENT THHEORY
(Relaxed state)

Sliding-filament theory
(Contracted state)

Sliding-filament theory cont.

What is the cause of FATIGUE in 10,000m run; 400m run?

What is the LACTATE THRESHOLD?

Size-principle & motor neuron relationship

How is lactate produced in high-intensity exercise?

Isometric contractions occur at ______ velocity of movement

Tricep and pectoralis major in the DOWN phase of a push-up is what type of contraction?

ENDURANCE (type I) muscles have more mitochondria than POWER (type II)

Examples of Energy systems in a given sport

What is Motor Unit Recruitment Frequency of Stimulation?

Motor Unit Recruitment

TYPE I
Dark Meat
Slow-oxidative
Slow twitch

TYPE IIa, IIx
White Meat
Fast-oxidative glycolytic/ Fast glycolytic
Fast twitch

Generation of Action Potential

Length-Tension Relationship

Speed-force Relationship

Lactate Threshold

Skeletal Muscle Contraction from Organ Molecule