Set your timer for 50 seconds of work and 30 seconds of rest x 12 sets. During the 30 seconds of rest you will do high knees. You will go through all 12 exercises and then rest for 1 minute before and repeat 1 more time.
Set your timer for 50 seconds of work and 30 seconds of rest x 2 rounds each exercise. You will do burpees during your 30 seconds of rest. You will complete all 12 exercises with no rest and then rest for 1 minute before completing the circuit 1 more time.
4 sets of 10 heavy deadlift - pick a challenge weight you feel comfortable with ( rest at least 30 seconds to a minute in between sets)
Pick a heavy set of dumbbells you feel is challenging but comfortable and confident when performing the exercise
Then drop down to a lighter set of dumbbells and do 1 set max of chest press ( try to get to at least 30)