Isometric contractions are static contractions during which muscle fibres do not change length. There is no movement of the joint to which the muscle is attached but energy is expended resisting a force that does not move. for example when you put your hands up for a long time.
Glucose is used for energy in anaerobic systems related to muscular contraction.
isometric contraction
isometric contraction
Muscular strength refers to the maximum amount of force that a muscle can exert in one singular contraction. We use muscular strength in the following examples: picking up a heavy object and pushing a piece of furniture. Or, lifting weights.
A rhythmic muscular contraction in the body is called Peristalsis.
Muscular Endurance is different from muscular strength. Muscular strength is when you have the ability to push weight and so on. Endurance is when you can endure a certain physical activity for a long period of time.
Muscular strength
The different types of contraction in sport is; Concentric Eccentric you also have to include; joint action e.g. Extension / flexion the agonist / agonistic muscle pairs e.g. hamstrings, quadriceps, biceps, triceps ect. & the joint itself e.g. knee, elbow, shoulder,
actin
a cramp or spasm.
tightens
ATP