STUDIO CITY (CBS) — CrossFit is the hot new fitness trend that is currently taking the world by storm! It works by challenging the body with an ever-changing set of exercises crammed into an intense, 20-minute “Workout of the Day.”

READ MORE: Eddie Mekka, Star Of ‘Laverne & Shirley,’ Dies At 69

Cheryl Brost stopped by KCAL9 Friday to talk about exercise, nutrition and her upcoming appearance at the 2012 CrossFit Games.

The Games are a grueling, five-month series of extreme fitness competitions based on CrossFit training. Their goal is to determine the “Fittest Man and Woman on Earth.

Important Nutrition Tips:

READ MORE: Liana Wallace On 'Survivor' All-Black Alliance Falling Apart: 'Just Wanted Us To Make Top 8, Then We Can Have World War II''

● Follow a clean eating approach that includes meat, veggies, some fruit and nuts. Eggs, sweet potatoes and bacon are favorites.
● Limit dairy, grain, and sugar.
● To optimize our health, use some key supplements, including Vitamin C, Fish oil, B-complex and Vitamin D.

Best Exercise Moves:

● Squats
● Push-ups
● Bear crawls
● Mountain climbers
● Lunges
● Jump rope

MORE NEWS: Reporter’s Notebook: Suzanne Marques At The White House To Interview First Lady Jill Biden

To learn more about Cheryl Brost, click here.