Is running a good exercise to drop a pant size? Or better do elliptical?

which of these 3 cleats are better, not based on price?

theyre for football

http://www.dickssportinggoods.com/product/index.jsp?productId=3519284&cp=551463.2214274

http://www.champssports.com/catalog/productdetail/model_nbr–105095/sku–19035011&SID=8731&inceptor=1&cm_mmc=SEO-_-Feeds-_-Froogle-_-null

http://www.champssports.com/catalog/productdetail/cm–Footwear%3A%20Sport%3A%20Football/supercat–mens/model–98650~34346101/mvpid–prod_tp~54435/sport–all/

Which is better: a Treadmill or an Elliptical?

Thanks for answering!

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