Knee Squats to strengthen Hip Flexors and Glutes. I was a skeptic too until I tried it and yes, they work! The stronger your Hip Flexors, the faster you can run and the more powerful you are in many exercises.
Following is a basic 7 - day workout plan that will help you to tone your body, irrespective of your age, gender or any other consideration. You can alter the plan as per your individual needs or physical constraints.
Teapots - Works out your obliques & helps get rid of your love handles. AGAIN, Bosu ball is optional. Stand with legs shoulder width apart, bend at your waist as far as you can without lifting your opposite leg off the grown or bending your supporting leg. Do 15-20 reps x 3-4 sets. I use 15-20lbs dumb bells.