I used heavy weights so I did 2 sets of 10 with only a minute break between the 2 circuits. I also add another exercise, tricep kick backs. My arms def felt the burn. These moves will also stregthen your back if you hold your abs tight the entire time.
Sumo squats really work to tone inner thigh. Keeping your back straight and your core tight, stand with legs apart and point your toes slightly outward. Do a plié squat downward slowly and back up. Move slow and controlled.