WJEC GCSE PE - Movement analysis - TA3

What is an isotonic contraction? Fill in the blank: An isotonic contraction is when the muscle causing the action creates ________.

• movement

• heat

• tension without movement

• fatigue

Which type of isotonic contraction occurs when the muscle shortens under tension?

• Concentric

• Eccentric

Which type of isotonic contraction occurs when the muscle lengthens under tension?

• Concentric

• Eccentric

Look at the image of the person performing an exercise. Which muscle is contracting concentrically during this movement?

• Triceps

• Biceps

• Quadriceps

• Hamstrings

Look at the image showing a person using a machine to lower a bar. Which muscle is primarily contracting eccentrically to lower the bar under tension?

• Triceps

• Biceps

• Quadriceps

• Hamstrings

Fill in the blank: The biceps are contracting ________ to lower the bar under tension.

• eccentrically

• concentrically

• isometrically

• reflexively

What is an isometric contraction? Fill in the blank: An isometric contraction is when the muscles produce tension but stay the same _______.

• length

• color

• temperature

• weight

In the image, which muscle is under tension but not producing movement?

What is the term for the muscle that contracts to cause movement?

• Agonist or prime mover

• Antagonist

• Synergist

• Fixator

What is the term for the muscle that relaxes during movement?

• Antagonist

• Agonist

• Flexor

• Extensor