The main immediate source of atp (lasting about 10 seconds) as muscle contractions begin comes from

The main immediate source of atp (lasting about 10 seconds) as muscle contractions begin comes from creatine phosphate. It is also known as a phosphorylated creatine molecule that presents as a quick mobilizable that keeps the high-energy phosphates in skeletal muscle and the brain to recycle the adenosine tri phosphate; which is considered as the energy currency of the cell.