Muscle Contractions (Isomertric and Isotonic)

Isotonic Contractions:

-Muscles can pull but they cannot push so they must work in pairs to create movement.
- An isotonic muscle contraction occurs when a muscle contracts and works over a range of movement.

Isotonic Contraction creates movement. It is muscle contraction that results in limb movement


Isometric Contractions:

- occurs when muscle contracts but stay in a fixed position.

eg plank

Isometric Contraction results in no movement. It is muscle contraction that results in increased tension but the length does not alter, eg when pressing against a stationary object

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