I am trying to tighten up my thighs without spending too much time each day (maybe 10-15mins max). I was hoping for exercises I can do within the comfort of my own home. Does anyone know of anything that works well?
The kettle-bell swings aren't really specific to the legs and I don't think I can source a kettle-bell anyway.
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If you can get a kettlebell, there's a dvd called Kettlebell Bootcamp with Angie Miller. I have it from the library at the moment, I haven't been able to do more than 5 or so minutes a day, maybe in part because I'm using a 25lb bell and they are using a 15 lb one. Anyway, it's kicking my butt and it's more than the basic two handed swing. After 2 partial workouts where I couldn't make it to the end of a set either day, the backs of my thighs were so sore last night I was having problems - I drank a ton of water and sitting on the toilet to pee every half hour put all the pressure on that area of my legs. So painful - like sitting on a giant bruise! Guys have it so easy!
If you are looking for inner thigh workouts, if you have a balance ball, you can lie on your back and put that between your knees and squeeze it like a thigh master.
There are also basic lunges (with or without holding weights), and high intensity bike rides with short bursts in the highest gear while standing up will develop the fronts of your thighs.
Kettlebells are awesome. Swings work your entire posterior chain, so as far as ''bang for your buck'' exercises, the kb swing is one of the best. Kettlebells can be purchased through many online sites. I'm not sure which country you're in, but you may want to give that a shot. Also, most fitness stores carry kettlebells these days. If not, a dumbbell can be used. It's not quite the same, but it's still effective.
As far as 'tightening up' the thighs, well, I hate to be a downer, but fat loss isn't always site-specific. And, usually in women, the lower body is harder to tighten up. In order to tighten up the thighs, you probably have to tighten EVERYTHING up.