HMS, BM EQ-Bank 832

Describe the three types of muscle contractions and provide an example of each in sporting movements. (3 marks)

--- 9 WORK AREA LINES (style=lined) ---

Show Answers Only

Sample Answer

Isotonic concentric contractions shorten muscles while generating force, like biceps during a bicep curl’s lifting phase.
Isotonic eccentric contractions lengthen muscles under tension, like quadriceps controlling descent during a squat’s lowering phase.
Isometric contractions generate tension without changing muscle length, like core muscles maintaining a plank position.

Show Worked Solution

Sample Answer

Isotonic concentric contractions shorten muscles while generating force, like biceps during a bicep curl’s lifting phase.
Isotonic eccentric contractions lengthen muscles under tension, like quadriceps controlling descent during a squat’s lowering phase.
Isometric contractions generate tension without changing muscle length, like core muscles maintaining a plank position.