When you can fight an arms with your legs you always be operating from advantage. If you feel that you are someone who usually operates a size and strength disadvantage you would do very well to make a serious study of those jiu jitsu movements which out your strength versus an 's arms strength – this is a big part of how , weaker people can defeat , people. Triangles and juji gatame are obvious candidates to your study, but there is much more than this further down the road. You can't trust many things in life, but one thing you can always trust in is the strength and endurance of your legs – use them to your advantage whenever possible