I sure appreciate the advice.
I really need to get back in shape. Not that I am a couch potato by any stretch but I am going to have to work on my conditioning constantly. I want to make those high backcountry hunts. That is the ultimate goal. It is hard around here because everything is flat. The highest ground I regularly am in is 250-300 ft. I am going to have to get creative or buy an exercise machine that I can work on my conditioning with.
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You are talking to someone from Houston, it doesn't get much flatter. Here's a few ideas -
1) Pack stairs. You need to get a pack frame and work up to 50 lbs on your back. I have an outdoor parking garage that's 9 stories I can do or if its too hot I can get into the hotels downtown that are 20-30 stories. It really doesn't matter how high the structure is, you need to pack up and down stairs for an hour. I like to do double stairs too, gets into your legs more. It's boring and it sucks, but it gets you ready for what you are going to do better than anything else I've tried. Have headphones, music and push yourself.
2) Cardio. You can get all the cardio you need on a treadmill. You need to do high intensity intervals at uncomfortable lengths at an incline. Do one interval running uphill then one walking. I Like 2 minutes running at 6.5 mph 2 min walking at 3.5 mph all at a 6 degree or greater incline for no less than 30 total minutes. This will get into your lungs.
If there's a dam or any kind of hill with some length to it, do uphill sprints and walk back down.
You dont' need hours and hours of this, consistently pushing your lung capacity for 30-45 min a couple times a week with interval training will increase your cardio.
3) Weight training. You need strong legs and core to pack in/out. Squats and dead lifts are good - no need to go over 200 lbs. Good form is important. I do walking lunges with weights in hand - 25-30 lb dumbells. I like romanian deadlifts too. You need to do strength training on your lower body, back and core.
You don't have to go overboard on anything. Just get a good training program and stick with it. Incorporate those 3 workouts in and you will get there. There's no shortcut on this front, 1 hour 4 times a week should be considered the MINIMUM.