Figure 2 shows an athlete in two different positions (A and B) as the athlete performs a tricep dip - AQA - GCSE Physical Education - Question 8 - 2023 - Paper 1
Question 8
Figure 2 shows an athlete in two different positions (A and B) as the athlete performs a tricep dip.
Figure 2
Use Figure 2 to help answer the following questions.
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Worked Solution & Example Answer:Figure 2 shows an athlete in two different positions (A and B) as the athlete performs a tricep dip - AQA - GCSE Physical Education - Question 8 - 2023 - Paper 1
Step 1
Identify the joint action taking place at the elbow as the arm moves from A to B.
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Answer
The joint action taking place at the elbow as the arm moves from A to B is flexion. During this movement, the angle at the elbow decreases as the arm bends.
Step 2
Identify the main antagonist at the elbow as the arm moves from A to B.
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Answer
The main antagonist at the elbow as the arm moves from A to B is the bicep. The bicep muscle opposes the action of the triceps during this movement.
Step 3
Identify the type of isotonic muscle contraction that is taking place at the elbow as the arm moves from A to B.
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Answer
The type of isotonic muscle contraction taking place at the elbow as the arm moves from A to B is concentric contraction. This occurs as the muscle shortens while exerting force to lift the body.
