Question 1

What are the 11 major muscle groups for GCSE PE?

Accepted Answer

The 11 major muscle groups you need to know for OCR GCSE PE are: deltoid, pectorals, biceps, triceps, abdominals, quadriceps, hamstrings, gluteals, gastrocnemius, trapezius, and latissimus dorsi (though latissimus dorsi is sometimes grouped with trapezius). Each has a specific location and primary action, such as the deltoid abducting the shoulder or the gastrocnemius plantarflexing the ankle.

Question 2

How do I remember the location of muscles for my PE exam?

Accepted Answer

Use mnemonics and visualisation. For example, 'Biceps on the beach' (front of arm) and 'Triceps on the table' (back of arm). Draw simple stick figures and label the muscles repeatedly. Also, relate each muscle to a familiar exercise: biceps in a curl, quadriceps in a squat, hamstrings in a leg curl. Practice labelling diagrams without looking until you can do it from memory.

Question 3

What is an antagonistic pair and can you give an example?

Accepted Answer

An antagonistic pair is two muscles that work opposite each other to produce movement. When one contracts (agonist), the other relaxes (antagonist). For example, during a bicep curl, the biceps brachii is the agonist (contracts to flex the elbow) and the triceps brachii is the antagonist (relaxes). When you straighten your arm, the roles reverse: triceps become the agonist and biceps the antagonist.

Question 4

Which muscles are used in a press-up?

Accepted Answer

The main muscles used in a press-up are the pectorals (chest) and triceps (back of upper arm) as the prime movers. The deltoids (shoulders) assist, and the abdominals and gluteals act as fixators to keep the body straight. During the lowering phase (eccentric contraction), the same muscles control the movement.

Question 5

What is the difference between the origin and insertion of a muscle?

Accepted Answer

The origin is the attachment point of a muscle that stays fixed during contraction, usually on a bone that doesn't move much. The insertion is the attachment point that moves, usually on a bone that is pulled towards the origin. For example, in the biceps, the origin is on the scapula (shoulder blade) and the insertion is on the radius (forearm). When the biceps contracts, the insertion moves towards the origin, flexing the elbow.

Question 6

Why do I need to know muscle locations for GCSE PE?

Accepted Answer

Knowing muscle locations helps you understand how the body moves during sport and exercise. It allows you to analyse performance, identify which muscles are being used in a particular action, and design effective training programmes. In exams, you may be asked to label muscles on a diagram, explain their roles in a movement, or discuss how to strengthen them. This knowledge is also vital for preventing injuries and improving technique.

Location of major muscle groups

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Related Topics in OCR GCSE Physical Education

Aerobic and anaerobic exercise

Applied anatomy and physiology

Applying the principles of training

Characteristics of skilful movement

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