Research and evidence standards

Fast-bowling research often studies small groups of trained athletes in controlled environments. That work can identify relationships worth observing, but it does not make one technique universally optimal or prove that changing one angle will produce a fixed increase in pace.

• Prefer peer-reviewed primary studies and official governing-body documents.
• Describe an association as an association, not as a guaranteed intervention.
• State the population, camera setup and measurement method when they affect meaning.
• Keep coaching cues separate from clinical diagnosis and injury prediction.

A published relationship is only the start. The product must also be able to observe the relevant event from the supplied camera view, estimate it consistently and show the athlete what was measured. If a phone camera cannot support that chain, the responsible output is a limitation—not a more confident paragraph.

Evidence summaries can change as methods improve or better studies are published. Each guide carries a visible publication or review date. Substantive corrections should update both the visible explanation and its structured metadata, while cosmetic deployments should not pretend the scientific content changed.