Sports: Rules, Equipment and Technology - Yenra

Practical sports guides, equipment comparisons and clearly dated historical coverage from Yenra.

Understand the rules, compare equipment and explore the technology behind sport. Start with the practical guides below, or browse the clearly dated historical coverage by subject.

Practical guides

Fujitsu Gymnastics Judging Support: How the System Works

Explore camera-based motion analysis, element recognition and the role of human judges in artistic gymnastics.

Australian Rules Football: Scoring, Marks and Match Basics

Learn goals and behinds, read an AFL score, follow possession and understand common umpire decisions.

Treadmill Ratings: How to Compare Fit, Features and Ownership Costs

Evaluate treadmill specifications, try useful controls and compare total costs with a downloadable worksheet.

Rugby Explained: Union Rules, Scoring, Sevens and League

Understand rugby union possession, points and restarts, with a comparison of sevens and rugby league.

Darts Rules: Board Setup, 501 Checkouts and Cricket Scoring

Set up a steel-tip dartboard, understand double-out finishes and busts, and keep score in Cricket.

World Cup Balls: Construction, Flight, Quality Tests and Sensors

Compare football construction, understand quality marks and interpret connected-ball technology, with Teamgeist and TRIONDA examples.

Starting Tennis in Britain: Lessons, Junior Stages and First Games

Find a suitable tennis session, choose beginner equipment, understand junior stages and learn scoring before booking a course.

Women’s World Cup: Qualification, Format and Following Brazil 2027

Understand qualification, read a group table and find official schedules and viewing information for the Women’s World Cup.

Retractable Stadium Roofs: How They Move and When They Close

Explore sliding panels, concertina roofs, coordinated controls and the decisions that connect roof movement with event readiness.

How to Watch Figure Skating: Official Streams, TV and Replays

Find figure-skating coverage by event, season and territory, check replay availability and use a printable viewing planner.

Football, tennis and baseball

Outdoor activities and golf

Venues, winter sports and other coverage