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How To: Work with 3D cameras and lights in After Effects CS4

Rich Harrington explores the new realistic behaviors of light and shadow in After Effects CS4. In this software video, Rich concentrates on creating and positioning light sources and creating shadows. He also moves the camera around to create a small action clip. Start with a basic scene in After Effects CS4 and see how to properly add 3D lights and cameras and adjust them for a great animation. Work with 3D cameras and lights in After Effects CS4.

How To: Do the cat and cow poses in yoga

Dummies.com brings you Yoga for Dummies. Learn how to do cat and cow poses in yoga. Relieve back pain by posing in the Cat and Cow asanas. Two of the ten core yoga poses, these positions stretch your back and increase flexibility. Exercise your body and relax your mind with yoga. Do the cat and cow poses in yoga.

How To: Understand the game of pro football

H.O.W. TV's Pam Melton and Doug Whaley of the Pittsburgh Steelers organization take you through the basics of football. From the layout of the field to the job of the players, this is a football video manual for new fans. Understand the classic American game of football.

How To: Draw a human head

Figure drawing gets a lot easier when you have simple proportion to follow and this course that's exactly what you're going to learn. In this video drawing lesson series, you'll start exploring the basic proportions of the human head from the front and side. This will give you a good understanding of where the main features of the face should lay and will give you the foundation and understanding that you need to start drawing heads that look great from any position you can imagine. Watch thi...

How To: Learn the basics of lacrosse for beginners

Are you thinking about trying out for your school's lacrosse team? Or just interested in taking up the very physical sport? Then this lacrosse video is the place to start on your journey. Check out the video to learn the basics of lacrosse, a game which combines elements from socker, hockey, and basketball.

News: Mechanical Sculpture Spits Out 441 Perfectly Sphered Water Droplets

Beauty is a fine line between art and science for Pe Lang, a Swiss sculptor living and working in both Berlin and Zurich. The autodidact artist specializes in graceful, hand-built kinetic sculptures made of magnetic, electrical and mechanical devices, all of which are elegant and completely mesmerizing. "Positioning Systems - Falling Objects" is one of his newest contraptions, which feels like a mix of home waterfall fountains, mechanical metronomes and a busy manufacturing plant.

How To: Do back hyperextension exercises on a stability ball

The stability ball hyperextension works to strengthen the lower back. Begin by placing your stomach/chest on a stability ball. Your legs should be shoulder width apart and fully extended against a wall behind you. The wall is used to provide leverage during the back extension. Place your hands either on side of the ball or crossed in front of your chest. Next, lift your chest off the ball until the lower back is fully flexed, then slowly return to the starting position. To add difficulty to t...

How To: Do a bilateral superman back exercise

The superman exercise can be used to work the lower back (erector spinae muscle). This exercise also works the hamstrings, butt, and shoulders. Some experts maintain that the superman exercise overloads the spine in a potentially unsafe manner. Thus, contralateral supermans are usually preferred. The contralateral superman exercise involves raising only one arm and the opposing leg (e.g. left arm, right leg). With this technique, there is a reduced load on the lumbar spine. The following are ...

How To: Do a smith machine shrug back exercise

The Smith machine shrug is a great way to target the trapezius muscle. Despite popular belief, the trapezius is not part of the shoulders. It is a back muscle that allows the shoulders to move in different directions (e.g. elevating and lowering the shoulders).

How To: Do a ball exchange abs exercise

The ball exchange is a fairly simple exercise that can be used to work the core muscles. It should be noted that this exercise requires extensive use of the hip flexors. These muscles reside on the uppermost part of the thigh, and are activated whenever the legs are elevated off the ground from a supine (on your back) position. Supine leg elevation can put a strain on the lumbar spine. Thus, the ball exchange is not recommended for those with lower back issues.

How To: Do a lying-sideways side crunch ab exercise

There are many variations of the side crunch exercise. This exercise works the oblique muscles. The lateral flexors of the spine (quadratus lumborum) are also involved in this exercise. The obliques are commonly referred to as the "love handles." They are used to assist with rotation of the torso. They are also instrumental during abdominal contractions.

How To: Do a dumbell side bend ab exercise

The standing side bend is similar to the side crunch exercise. The only difference is that the upper body has to resist gravity in the side crunch exercise. Side bends require weighted resistance to resist gravity, but the movement is virtually the same as the side crunch. This exercise is supposed to target the obliques, but the lateral flexors of the spine (quadratus lumborum) are also involved. The obliques are commonly referred to as "love handles." They are used to assist with rotation o...

How To: Do a v-up ab exercise

The V-up is one of the more challenging ab exercises. While it may appear simple, there are several factors that make this exercise difficult to execute properly. Some of these factors include timing of the movement, counterbalancing, hip positioning, flexibility, and abdominal strength.

How To: Do a jackknife crunch ab exercise on an aerobic step

Are you tired of doing the same exercises for abs? The jackknife crunch may be the answer to your problems. This exercise effectively works the core muscles. It should be noted that whenever the knees move toward the chest (the jackknife motion), the hip flexors are involved. The hip flexor muscles are actually part of the upper leg. They allow you to kick a ball or lift the knee from a standing position (as in running). Thus, if you are trying to isolate the abs, there are better alternative...

How To: Do a long arm crunch ab exercise

The long arm crunch is a modified version of the tradition abdominal crunch. When the arms are extended above the head, it increases the level of resistance placed on the abs. Thus, the traditional ab crunch becomes a bit harder to perform. The long arm crunch is slightly different from the traditional ab crunch. This exercise is more of a curl up with the arms extended. Instructions for the long arm crunch are as follows:

How To: Do a chest press exercise with resistance tubing

This exercise is great for shaping and strengthening the chest muscles. The chest is scientifically named the pectoralis. This muscle is used any time you push a chair up to the table, shut a car door, or push a shopping cart. There are two muscles that make up the pectoralis. They are the pectoralis major and minor. The pectoralis major is always the prime mover during chest exercises.

How To: Do a cable crossover exercise

Cable crossovers are great for building and shaping the chest muscles. This exercise is performed using a cable pulley machine. First, ensure that the cable pulley is mounted above shoulder height. Adjust the weight (usually a weight stack) as needed.

How To: Do leg extensions with exercise bands

The seated leg extension is used to isolate the quadriceps muscles. The quadriceps muscles are located on the front of the thighs. As you might have guessed, there are four muscles that make up the quadriceps. Each muscle works in unison to extend the knee. In everyday life, the "quads" are used when you jump, walk, sit, kick, or stand.

How To: Do a 45 degree leg press

The 45 degree leg press is a great way to work the muscles of the hip and thigh. You might see 45 degree leg press machine referred to as a "hip sled." This exercise is commonly used as an alternative to the squat. Instructions for the 45 degree leg press are as follows:

How To: Do a crossover lunge

The crossover lunge is an advanced exercise that is used to build strength and improve flexibility in the muscles that act on the hips and thighs. The crossover step is often used as a warm-up to prepare for more dynamic exercises or sports conditioning drills.

How To: Do a sumo squat with a medicine ball

The sumo squat works all leg muscles, although it can also be used to target the inner thighs. This exercise can be performed with or without weighted resistance. The key to this exercise is to stand with the feet beyond shoulder width. The wide stance forces the inner thigh muscles to work harder. The toes should be turned out.

News: Mirror Image

While a cast member is our filming a prank, perhaps over a weekend, go into their house or appartment and turn everything upside down. By that I mean permanently fix all the household furnature (ie. desks, bookshelves, bed, fridge) to the ceiling. So he'll return to find his world had been turned upside down... literally.

How To: Start a STIHL trimmer or brush cutter

In this tutorial, we learn the proper way to start a STIHL trimmer. Before you begin, make sure you are wearing the proper protection gear. Next, check the fuel level, throttle trigger, stop switch, cutting tool, and harness. Everything should be tightened and in good starting condition. Make sure you are away from any obstructions before you turn on the cutter. Pull the starter grip and guide it to rewind it properly. Pull the rope several times, then move the choke to the starter position. ...