If you happen to have access to a gravity rider it will work both the arms and the abs at the same time. I have one in my home gym and if I do nothing else that day I hit the rider for a full blown workout. If you don't have a gravity rider, an ab roller does a great job on both the arms and the abs as well. I have four different varieties and if you use them they all work about the same depending on the amount of resistence you use. Although soccer is a wonderful arobic workout and great for the legs thighs and buttocks it is not beneficial to working out the upper body as your legs do all the work.
If you do not have access to equipment, and don't feel like going to the gym, there are several other methods. Swimming for one is excellent for toning the arms and abs especially if you do the butterfly and the backstroke. Think about it, have you ever seen an avid swimmer with flabby arms or tummys? Nope! And again if you don't have access to a pool, there are several things you can do right in your own bedroom or family room that will bring great results.
No.1 for your arms, take 1 to 5lbs weights (or heavier, depending on your preference,) extend your arms straight out to the sides and make small circular motions. Keep your muscles flexed tightly with fists palm side down facing the floor. Do 50 to 100 of these in a set, then turn your fist with your thumbs on top and do another set. I know this sounds like a lot, but it's really not. Usually what I do is 50 rotations one direction, and then reverse to the other direction for the other half. And if you don't happen to have weights, soup cans, vegetable cans (unopened of course) will work as well. Basically anything you can get your hand around with weight will work. Then for your last set put the weights down, bring your arms back up, full extension of hands with the backs of your hands facing in towards your body. Do your last set in this position. If you want to take a few min. between sets,(no longer) that's ok. Do as many as you can at first, if it's only 10 a set the first time, do whatever is comfortable for you and just keep working up to a hundred if you can. Do it till you feel the burn or you're wasting your time. When you finish drop your arms to your side, let them hang limp and shake them out gently for 15 to 20 seconds to prevent cramping and give the muscles a chance to relax. And if you have reasonably strong upper body strength push ups are fantastic for toning the arms, on the floor or against the wall, either works. Enjoy yourself and have a good workout!