An ink skeleton on the page of an open notebook, its muscles drawn in red engraving lines, with labelled red cords running out to bone-shaped toggles

The 13 Muscles: an interactive GCSE PE lesson

The 13 muscles of AQA GCSE PE in an anatomist’s notebook. Each muscle starts as a cord on the skeleton, drawn along its line of pull the way Leonardo drew them; pull a cord and it swells into the real muscle and the joint moves. Front: deltoid, biceps, hip flexors, tibialis anterior, pectorals, abdominals and quadriceps. Back: latissimus dorsi, gluteals, gastrocnemius, triceps, rotator cuff and hamstrings. Then feel the three ways a muscle works, concentric, isometric and eccentric, on a weighted arm, and check yourself with six questions.

Demos
An ink skeleton on the page of an open notebook, its muscles drawn in red engraving lines, with labelled red cords running out to bone-shaped toggles

Interactive 3D demo

The 13 Muscles

The 13 muscles of GCSE PE in an anatomist’s notebook: pull a cord along each muscle’s line of pull and it swells into the real muscle, front and back.

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