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Differentiate between isometric, isotonic and isokinetic exercises.

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Isometric lsotonic Isokinetic
(a) Isometric exercise involves static muscle contraction against a stationary resistance. (a) Isotonic exercise involves dynamic movement but doesn't require a constant movement speed. (c) This involves movement but maintains a constant speed.
(b) It is used only in a few games like gtymnastics, weightlifting. wresting. etc. (b) Isotonic exercise is most popular and effective type of strength training used in almost all games/sports. (b) isokinetic generally involves muscle contraction against an electronic resistance and is specific to a particular sport.
(c) It develops maximum strength. (c) It develops explosive strength. (c) It develops explosive strength as well as strength endurance.
(d) Iso-same, metric-length: this is a type of muscle contraction in which muscle remains at same length. (d) Iso-same, tonic-tension. A type of muscle contraction in which the muscle changes the length either shortening or lengthening. (d) Iso-same, kinetic-speed. Isokinetic exercises are done with machine that regulates movement, velocity and resistance.
(e) It can rehabilitate immobilised joint (e) Does not contribute to rehabilitation. (e) It cannot rehabilitate immobilized joint.
(f) Amount of strength developed does not last long. (f) Strength developed through this method remains for longer period. (f) Amount of strength developed is excellent.
(g) Poor development of coordination and skill. (g) It develops excellent coordination. (g) It develops good coordination.
(h) Does not contribute to development of endurance and speed. (h) It contributes to development of strength, endurance and speed. (h) Better development of speed as compared to Isotonic.
(i) Examples are:
(i) Pushing against a wall (ii) Flexed arm hang, etc
(i) Its examples are:
(i) Push-ups, pull- ups.
(ii) Rope climbing, bench press. overhead press, etc.
(i) Its examples are:
(i) Treadmill
(ii) Cybex
(iii) Butterfly stroke in swimming, etc.

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