Let’s dive into 5 HIIT workouts ... this circuit will challenge your lower body strength and endurance while helping to sculpt toned, lean legs. Jump Lunges – 40 seconds Squat Pulses ...

The Sofa Squat challenge is for anyone who wants to be a ... lower yourself down slowly to the count of 5 seconds. Lead with your buttocks, keeping your back straight as you sit back down into ...