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Isoinertial exercises are those that maintain a constant inertia = mass. A weight is placed on an extremity (arm or leg) and the extremity is put through a range or motion (or pattern of movement of that extremity). This range of motion can change direction but the force on the extremity doesn't change. An example of this is the yo-yo, it changes direction at the bottom, but the mass of the yo-yo stays the same. Isoinertial exercises strengthen both the muscle being targeted as well as the synergistic (helper) muscles as well. This type of exercise also helps to strengthen ligaments and tendons throughout the range of motion.

Isoinertial exercises are not to be confused with (although hard not to) isotonic exercises. Isotonic exercises have a constant muscle force which often involves a constant resistance such as a free weight (dumbbell etc.).

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Q: What is isotonic and iso inertial contraction?
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Related questions

What is the difference between isotonic and isometric contractions?

An Isotonic muscle contraction is a muscle contraction that makes your limbs move whereas an Isometric contraction is a muscle contraction where the limbs stay static


A contraction in which the muscle shortens and work is done?

B. isotonic contraction


What type of muscle contraction is involved in warming up?

isotonic contraction!


What contraction that shortens the muscle but does not increase tension is called?

It is called concentric isotonic contraction.


A contraction in which a muscle exerts force lengthens and is overcome by a resistance?

Eccentric contraction (isotonic)


The muscle decreases in muscle length during contraction but tension is the same?

Isotonic contraction


What is a contraction in which the muscle shorten and work is done?

This is muscle flexion or isotonic contraction.


In an isotonic contraction the muscle does what?

Changes in length and moves the "load"


What is A contraction in which the muscle changes in length with the same tension applied to it?

Isotonic ContractionIsotonic Contraction


How do isometric and isotonic muscles differ?

Isometrics can be given at different angles within a joint range whereas statics are given at beginning of range


Is concentric isotonic contraction is defined as tension developing in the muscle as it shorten?

That is correct, the muscle shortens as it contracts. E.g. A bicep curl, the bicep muscle as you lift the wight up is Isotonic contraction. :)


In an isotonic contraction the muscle?

shortens while maintaining constant tension.