Anthropometry is the systematic measurement of human body dimensions, such as stature, limb length, hand breadth and head circumference. In sports equipment design, these measurements are used to improve fit, safety, comfort and performance for a defined population of athletes.
Within B.1.1 Anatomical position, planes and movement, the anatomical position provides a standardized reference from which measurements can be taken consistently. Designers must identify reliable anatomical landmarks, such as joint centres or bony prominences, so that measurements are comparable between individuals.
| Type of anthropometry | Meaning and design use |
|---|---|
| Static anthropometry | Measurements taken while the body is in a fixed position, such as stature, shoulder breadth or hand length. These help determine equipment dimensions and clearances. |
| Functional anthropometry | Measurements taken during movement or in a sport-specific posture, such as cycling reach or a goalkeeper's reaching range. These help equipment accommodate movement through relevant planes and ranges of motion. |
Designers collect data from the equipment's intended user population and organize it using percentiles. For example, an adjustable bicycle may be designed to accommodate users ranging from the fifth percentile to the ninety-fifth percentile. Frame size may reflect stature and leg length, while saddle height and handlebar position provide adjustment for individual differences.
Other applications include helmet shells based on head circumference and shape, racket grips based on hand dimensions, and protective padding based on chest or shoulder breadth. Functional testing then checks whether the equipment restricts movement, causes pressure points or changes technique.
A common misconception is that equipment should be designed for the “average” athlete. Designing only around the fiftieth percentile excludes many smaller and larger users; multiple sizes or adjustable components usually accommodate a wider range.
Exam technique: For an HL response using , define anthropometry, identify relevant measurements, and show how percentile data affect a specific design decision. Link the decision to fit, safety or performance, and distinguish static measurements from measurements taken during sport-specific movement.