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The best training programmes are built on principlesof specificity, overload, progression and reversibility. You can also use the FITT acronym to help remember the key things to consider when tailoring programmes for individual sporting goals. It stands for; Frequency, Intensity, Time and Type.

• Patrik Giardino / Getty. 40-Yard Dash Test. ...
• Klaus Vedfelt / Getty. 60-Yard Shuttle Test. ...
• gruizza / Getty. 1-Mile Run. ...
• Alex Livesey/Getty Images. Vertical Jump Test. ...
• BraunS / Getty. Broad Jump Test. ...
• Georgijevic / Getty. Kettlebell Clean and Press Workout Test. ...
• murat emre / Getty. Strength and Conditioning Workout Test.

The adult human skeletal system consists of 206 bones, as well as a network of tendons, ligaments and cartilage that connects them. The skeletal system performs vital functions — support, movement, protection, blood cell production, calcium storage and endocrine regulation — that enable us to survive.

The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture, and circulates blood throughout the body