Cambridge OCR A Level · Physical Education - H555
3 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Flexibility training.
A high-performance gymnast incorporates Proprioceptive Neuromuscular Facilitation (PNF) into their flexibility training. Which of the following physiological mechanisms best explains why the muscle can be stretched further immediately after an isometric contraction?
When evaluating methods to develop flexibility, a sports scientist compares ballistic stretching with dynamic stretching. What is the primary physiological risk associated with ballistic stretching that is largely avoided by controlled dynamic stretching?
Proprioceptive Neuromuscular Facilitation (PNF) utilizes an isometric contraction followed by a passive stretch. Which inhibitory mechanism is primarily responsible for the increased range of motion achieved?
A high-performance dancer uses a goniometer during their pre-season screening. Identify the specific purpose of using this piece of equipment in flexibility training.
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Explain why age is considered a significant factor that negatively affects an individual’s flexibility as they grow older.
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How does the type of joint (e.g., ball and socket vs. hinge) interact with the length of surrounding connective tissue to determine the total Range of Motion (ROM) at a specific site?
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An elite gymnast utilizes Proprioceptive Neuromuscular Facilitation (PNF) to increase their range of motion.
(a) Describe the physiological process of a PNF stretch, specifically referencing the role of muscle spindles and Golgi tendon organs.
(b) Compare PNF training with ballistic stretching in terms of safety and physiological adaptations for a high-level performer.
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A high-performance rhythmic gymnast is seeking to optimise their Range of Motion (ROM) through advanced training methods.
(a) Compare static stretching and ballistic stretching, focusing specifically on how the stretch reflex affects the safety and efficacy of these methods.
(b) Evaluate the use of Proprioceptive Neuromuscular Facilitation (PNF) by explaining the physiological mechanism of autogenic inhibition and how it allows for a greater increase in flexibility compared to other methods.
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