Have fitness questions? Fitz has your answers. Our ThatsFit.com fitness expert -- and now your own virtual personal trainer -- will help you get fit, increase your overall health and do it in a fun way. Drop your questions here in the Comments section below and we'll choose one per week to publish on That's Fit! Learn more about Fitz here.

Q. Fitz, I was wondering if you could give advice on how to train yourself for a move or pose that is too advanced for you. I understand how to work up to a particular weight or speed in weight-lifting or cardio, but I'm at a loss about things that seem 'all-or-nothing.' I'm thinking of things in fitness DVDs where they frequently have models for easy/moderate/advanced movements. Sometimes I can do the easier move without feeling challenged, but I can't do the harder one at all. I often don't see how continuing to do the easier one gets me closer to doing the more advanced one. I especially struggle with a variety of moves in yoga and pilates. Thanks! Your articles and videos are my favorite thing about That's Fit. Cecily

A. Hi, Cecily. Thanks so much for both the sweet feedback and the great question. I'm sure many people wonder the same thing. The first thing I want to tell you is that you should be struggling when you work out. Struggling means you are challenging your body and pushing it to be better. Wobbling, tightness and frustration are part of the deal when participating in yoga and pilates, for sure. This neverending journey to become more fit will hopefully always include great challenges, but I do have the secret to becoming more proficient in advanced skills.

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That's Fit: What are some toning exercises you think people don't capitalize on nearly enough?

Venuto: It's a misconception that weight training is only for body builders -- it's actually the most important type of training while you're restricting calories for fat loss. The weight training helps you maintain the lean muscle you already have, while stripping off the fat, burning calories and keeping your metabolism elevated.

Some of the best free weight exercises include squats with dumbbells or barbells, lunges or split squats, deadlifts, bench presses, shoulder presses and rows. There are also body weight exercises that can work as the equivalents of the free weight exercises such as chin ups and push ups, but I'd encourage everyone who wants to get leaner to get more serious about weight training.

You can join a gym if you choose, but all it takes to get started is a set of dumbbells and some space in your home. The training program in my book "The Body Fat Solution" can be done without any fancy or expensive equipment at all.

Have you been working out steadily, seeing results all the while? If so, great. Did you then hit a bit of a plateau, only to watch your results sort of reach a stand-still? Not so great. After that, did you remain on that plateau for quite some time, only to then start to actually have your results reverse a bit? Not great at all.

With regard to plateaus, they are an inevitable part of working out. They happen to me, they happen to you, they happen to just about everyone at some point or another who works out. Fortunately, plateaus are pretty easy to break through if you are willing to change your workout a bit. Because I've posted before on a few ways to do that, I'd rather now focus on the last stage that I mentioned above -- when your results start to reverse.

This can due to a couple of reasons. For one, the plateau you're stuck on really has you spinning your wheels. You're exercising all the time, but not happy with the way you look and feel anymore. Before long, you're just going through the motions and not pushing yourself as hard as you once were. This lack of motivated effort slows you down after a while, and before long, you've taken a few steps back. A second way this can happen is when you start to let your diet fall to the wayside a bit. This doesn't mean that you completely deviate from a healthy eating plan, but you instead do more "picking" than you used to. The Hershey's Kisses on the receptionists' desk, the handful of Skittles from the guy in accounting, the extra cocktail after work -- it adds up after a while.

If you feel a bit of exercise and diet burnout -- due to a plateau or otherwise -- a good move is to take a short break. A week off will not hurt you. In fact, it may be what saves you from abandoning your healthy program altogether. Before long, you'll be back on track and seeing those new results again.

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I was watching TV last night, flipping at high speed through all the channels with my handy-dandy remote, when I remembered the long-ago days requiring an actual walk to the television set for a little channel surfing. It got me thinking about technology, about how the very thing that is revolutionizing the world in so many ways -- think electronic medical records, on-line banking, the fact that I'm publishing this post in cyberspace for all to read -- is also making us one lazy mass of people.

How about automatic garage door openers? Growing up, I remember hustling out of the car, often on cold and snowy days, to manually lift my family's garage door. Once our car was nestled safely inside, the door had to be yanked back down. These days are long gone. Now, I have a button in my mini-van programmed to shoot that garage door up and down at a moment's notice. I don't think I've ever even touched my garage door with my hand.

Sprinkler systems. Remember watering your lawn with a sprinkler attached to your hose and dragging it from place to place until every blade of grass got a drink? Now we have the luxury of sprinklers running on auto pilot. We also have drive-through and drive-up options at almost every restaurant around. We don't even need to exit our cars to collect our carry-out slop. And riding lawn mowers. We're not talking traditional technology here but still, it illustrates my point. I saw a neighbor plowing through his miniature-sized yard the other day on his big and burly John Deere ride-on. Could the 30 minutes it might take to manicure his entire lot of grass be so difficult?

Push-ups are by far my favorite upper body exercise. In fact, if you had to choose only one exercise to do for your upper body for the rest of your life.......you better pick the push-up. This all in one exercise works just about every muscle above your hip and then some. No other strength training exercise has the ability to work your chest, back, shoulders, biceps, triceps, forearm, abs, erector spinae (low back), glutes, calves, anterior tibialis (over your shin), neck. and more. Not only are they the best, they're something almost everybody can do. Barring spinal injuries and rotator cuffs, unless you've specifically been told not to do push-ups.....you should do them.

Here's a bunch of fun ways to do a push-up, in order from easiest to hardest. Keep in mind, your back should always be straight, Your tushy should not sag down, or stick up. Breath, breath, breath. Suffocation is rarely useful. I normally start my clients with three sets. Do the most you can possibly do on your first, rest and repeat two times. You'll be surprised at how quickly you progress.

Level 1:

Wall push-ups. Hands on wall, feet on floor about a foot away. Push out.

On knees, butt high. Hands and feet shoulder width apart on ground, push-up.

On knees butt flat. Hands and feet shoulder width apart on ground, push-up.

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