The high-intensity, multi-joint movements in CrossFit helps you gain muscle strength and stamina. Functional fitness is a classification of training that prepares the body for real-life movements and activities. Also known as functional training or CrossFit training, it trains your muscles to work together and prepares them for daily tasks by simulating common movements you might do at home, at work, or in sports.
Protein is used for the production of muscles. Proteins are also used to manufacture hormones, enzymes, cellular messengers, nucleic acids, and immune-system components. Solid food takes more time to digest and to break down the protein and send it to the muscles, it can be best to take a protein shake immediately following a workout, since protein shakes only take about 30 minutes to reach the muscle after ingestion