The ideal inner-thigh workout — one that blasts fat while building muscle — is hard to come by. Luckily for you, we’ve done the research! Do these seven exercises three days a week and you’ll start seeing toned thighs in no time. The inner thigh muscles run from your groin till your knees. They help in walking, running, sitting, kneeling, etc. Due to bad food habits, lack of activity or hormonal issues, women accumulate fat in various parts of the body, including the inner thighs.