I am a fitness director and I am sure you don't want to here me rant and rave about the many ways being in good physical shape can help you be a better hunter. Me being a avid bowhunter I have some clients that I personally train that came in just so they could strengthen their shooting. After 6 weeks many of the people I have trained have gone from shooting a 50lb draw bow to a 70 lb bow and shooting that 70 lb bow with ease. Ever draw on a animal and have to hold because it hung up behind a tree. Beeing physicaly strong and able to hold your bow steady will have a big effect on how steady you are when it comes time to release your arrow. Not only have many of these people gone up in draw weight but their groups have became much tighter due to added strength and steadyness with their bow. One of the first things I do is have the person I am trainging bring their bow to full draw and time how long it takes before they start to shake. It would blow your mind at the difference in time from the start of their program to the end before shaking occurs. I could go on and on but I am sure you guys don't want to here it. So in short being physically in shape can help your hunting in many ways.