The characteristics of skill and the classification of skills on continua (open-closed, gross-fine, discrete-serial-continuous, self-paced-externally paced), and how classification informs practice.

A focused answer to OCR A-Level PE on the classification of skills: the characteristics of a skilled performance, the main classification continua (open-closed, gross-fine, discrete-serial-continuous, self-paced-externally paced, simple-complex), and how a coach uses classification to choose practice.

Generated by Claude Opus 4.89 min answerUpdated 2026-06-02

Reviewed by: AI editorial process; not yet individually human-reviewed

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Quick answer

A skill is a learned, goal-directed action that is consistent, efficient, fluent and aesthetically pleasing. Skills are classified on continua, not in fixed boxes. The open-closed continuum describes how stable the environment is (open: changing and unpredictable, like a tackle; closed: stable, like a free throw). The gross-fine continuum describes the muscles used (gross: large muscle groups; fine: small, precise movements). The discrete-serial-continuous continuum describes whether the skill has a clear start and end (discrete), is a chain of discrete skills (serial), or repeats with no clear end (continuous). The self-paced-externally paced continuum describes who controls the timing. Classification matters because it guides the practice structure and feedback a coach should use.

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What this dot point is asking
The characteristics of skill
The classification continua
Why classification matters for coaching

What this dot point is asking

OCR wants you to describe the characteristics of a skilled performance, classify skills on the main continua, and explain how a coach uses classification to choose appropriate practice and feedback.

The characteristics of skill

The classification continua

Skills are placed on continua rather than in fixed categories, because a skill may show features of both ends depending on the situation.

Why classification matters for coaching

Classification is not an end in itself; it tells the coach how to teach. Closed, simple, self-paced skills can be grooved by massed, fixed practice with repetition. Open, complex, externally paced skills need varied, distributed practice in changing, game-like conditions to develop perception and decision making. Gross skills tolerate fatigue and can be practised in longer blocks, while fine skills need shorter practices with rest, because fatigue degrades the precise control they require.

Classifying a skill and choosing practice

Identify the skill and the situation

Take a tennis first serve. The court, ball and target are stable, the server chooses when to start, and the action is a single coordinated movement.

Place it on the continua

It is toward the closed end (stable environment), self-paced (the server controls the timing), gross-to-fine (large muscle groups for power, fine control for placement), and discrete (a clear start and end).

Match the practice to the classification

Because it is closed and self-paced, use massed, fixed practice to groove the technique through repetition, in a low-pressure setting where the environment does not change.

Match the feedback

Use knowledge-of-performance feedback on the movement (the toss, the racket path), since the skill is about producing a consistent technique. State that the same approach would not suit an open skill such as a volley, which needs varied, game-like practice and feedback on decisions.

Common traps

Treating the classifications as fixed boxes: Skills sit on continua and can shift with the situation; a pass may be more open in a match than in practice. Always place a skill toward an end, with justification.
Confusing open-closed with self-paced-externally paced: Open-closed is about the predictability of the environment; self-paced-externally paced is about who controls the timing. A skill can be closed and self-paced (a free throw) or open and externally paced (a tackle).
Mixing up serial and continuous: A serial skill is a chain of discrete skills with a clear order (a triple jump); a continuous skill repeats with no obvious end (running). They are different.
Classifying without applying it: The marks, especially in extended responses, come from using the classification to justify a practice structure or feedback type, not just labelling the skill.

Exam-style practice questions

Practice questions written in the style of OCR exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

OCR 20184 marksUsing a named example, place a rugby tackle and a free throw in basketball on the open-closed and self-paced-externally paced continua, and justify your placement.

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A Component 02 Section A application question. Marks for placing each skill on each continuum with justification.

Award marks for: a rugby tackle is toward the open end (the environment is changing and unpredictable: a moving, evading ball-carrier) and is externally paced (the timing is set by the opponent, not the tackler). A basketball free throw is toward the closed end (the environment is stable and predictable: the same distance, no defenders) and is self-paced (the shooter controls when to start). The justification matters: open and externally paced skills are perceptually demanding, while closed and self-paced skills can be grooved by repetition.

Markers reward correct placement on both continua and a justification that refers to the predictability of the environment and who controls the timing.

OCR 20218 marksAnalyse how the classification of a skill on the open-closed and gross-fine continua influences the practice and feedback a coach should use.

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A Component 02 extended-response (levels of response) question. Markers reward accurate classification (AO1), application to practice and feedback (AO2) and a reasoned link (AO3).

Award credit for: a closed skill (a golf swing) is best practised in fixed, massed conditions to groove the technique, with knowledge-of-performance feedback on the movement; an open skill (a midfield pass) needs varied practice in changing, game-like conditions to develop decision making and reading the environment, with feedback on the choice as well as the execution. A gross skill (a rugby scrum drive) uses large muscle groups and tolerates fatigue, so it can be practised in longer, intense blocks; a fine skill (a dart throw or a snooker shot) needs precise control of small muscles, so it needs shorter practices with rest to avoid fatigue degrading accuracy. A reasoned answer concludes that the coach reads the skill's position on the continua and matches the practice structure and feedback type to it.

A top answer links each classification to a specific practice structure and feedback type, reaching a judgement on matching method to skill.

Related dot points

Sources & how we know this

OCR A Level Physical Education (H555) specification — OCR (2016)