Athletic IQ kit is made to order. Deadlines: 1st and 15th of each month. We aim to deliver within 2 weeks, subject to availability. Contact us if there is a delay. UK delivery is free. Fulfilled by Peter Spivey Ltd. Dismiss
- ATP (Adenosine Triphosphate) — the main energy molecule used by your muscles.
- ATP–PC system — immediate energy system using stored ATP and phosphocreatine.
- Anaerobic — energy made without oxygen playing the main role.
- Aerobic — energy made with oxygen playing a key role.