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Fitness · Glossary

What is Biomechanics?

The study of mechanical laws applied to movement — the science underpinning technique in every sport.

Last updated: 3 October 2026

Reviewed by Jordan Morley, FA Level 2 Football Coach

Biomechanics applies physics and mechanics to human movement. In sport, it explains why certain techniques are more efficient (the bent arm pull in swimming, the hip hinge pattern in deadlift, the spiral of a football throw). Kinematic analysis (motion capture) and kinetic analysis (force plates) are tools used to measure and improve technique. Good biomechanics reduces injury risk and improves performance simultaneously — inefficient movement wastes energy and often places greater stress on joints. Sports coaches increasingly use video analysis and wearable sensors to apply biomechanical principles to athlete development.

Key points
  • Application of physics to human movement
  • Explains efficient technique in all sports
  • Kinematic (motion) and kinetic (force) analysis
  • Good biomechanics = less injury + better performance

In practice

Sports biomechanics applies the principles of physics and engineering to human movement, analyzing forces, angles and timing to both improve performance (optimizing a throwing or jumping technique) and reduce injury risk (identifying dangerous joint loading patterns), which is why biomechanical analysis using high-speed cameras and force plates has become a standard part of elite athlete development and return-to-play assessment after injury.

FAQ

What does sports biomechanics study?

The mechanical forces and movement patterns involved in sporting actions — analyzing joint angles, force production, timing and efficiency to both improve performance and identify injury-risk movement patterns.

How is biomechanical analysis used with elite athletes?

High-speed cameras, force plates and motion-capture technology are commonly used to analyze technique in detail, both to refine performance (optimizing a throw, jump or stride) and to assess injury risk or recovery progress after injury.