Muscle Contractions Search Results

How To: Work your lower abs with a hanging leg raise

It's never a bad time to get excellent abs. This instructional video demonstrates how to exercise your lower abdominal muscles with hanging leg raises. This routine is especially effective because it maximizes spinal flexion and extension. The focus of the exercise should be about rolling the hips up to generate an abdominal contraction, then returning to a good lumbar curve to relax and stretch out the abs. A good stretch at the end range of motion allows for a better workout and builds flex...

How To: Use massage to help with leg cramps

In this how to video we demonstrate some techniques to help with leg cramps. These are similar to some of the techniques that we have used already for massage, some of them are and some are not. One basic rule of thumb with leg cramps is sometimes just resting is sufficient. Leg cramps are painful involuntary contractions of the muscles in the leg. Get expert tips and advice on massage and other treatments in this how-to video.

How To: Identify symptoms of recent HIV contraction

It's sometimes possible to recognize when you've recently contracted HIV from signs and symptoms such as fever, rash, or swollen lymph nodes. This video will teach you how to recognize signs and symptoms of primary HIV infection that are experienced by between 40 and 90% of individuals after they are first infected with HIV. Primary HIV infection occurs during the first few weeks or months after a person first becomes infected with HIV. Symptoms include rash and/or fevers, possibly in combina...

How To: Do a killer upper chest workout

First of all you have to understand that this exercise is very versatile and you can actually target different areas of your chest just by twisting your wrists. First of all lie down on the bench and hold the dumbbells in your hands. You can do this upper chest exercise to build your upper chest muscles using dumbbells. Now bring your dumbbells down and then again take them up. While bringing your dumbbells you have to twist your wrists towards inside such that your palms are facing away from...

How To: Fire up your metabolism

This video focuses on strategies you can use to boost your metabolism--one-step needed in order to lose belly fat. Obtaining a faster metabolism will train your body to burn more calories throughout the day. The first step to boost your metabolism is through strength training, which means developing leaner muscle mass. This will result in long-term investment for caloric burning. The second step involves exercising in the morning; this will help you burn calories more easily throughout the da...

How To: Beat a polygraph or lie detector test

AntiPolygraph.org's George Maschke speaks with Nick Frost about how to fool a polygraph (lie detector) test in episode 5 of the tongue-in-cheek 2003 television series Danger: Incoming Attack. Note that the anal sphincter contraction, discussed as a polygraph countermeasure, while effective, is no longer recommended by AntiPolygraph.org, and alternative techniques such as mental countermeasures or tongue-biting are to be preferred.

How To: Why You Shouldn't Stretch to Warm Up for Exercise or Sports

If you're like most people, you've stretched before a workout or playing sports. Doing so should help you get your muscles ready to work. While stretching is good for your muscles, you're wasting your time if it's the first thing you do. I talked to Dr. Brian Parr, professor at the Dept. of Exercise and Sports Science at the University of South Carolina Aiken, who explained this misconception and what you can do about it:

News: Sentinel Nerve Cells Spy on the Intestines, Linking Gut & Brain

If the all the fingerlike projections in our gut were flattened out, its surface area would be 100 times bigger than our skin's. It's so large that the actions of just a small part of it can impact our health. A new research study has found that enterochromaffin cells in the intestinal lining alert the nervous system to signs of trouble in the gut — trouble that ranges from bacterial products to inflammatory food molecules.

How To: Alleviate menstrual pain naturally

Youtipis4u has come up with a few tips to reduce your menstrual pain in a natural way. Many of us ladies opt for painkillers or other medicines to reduce menstrual discomfort. Here is a way that is natural and has no side-effects. One of them is raspberry tea leaves. During the menstrual days, we can opt for a raspberry leaf tea instead of a normal one. Raspberry leaves relax uterine muscles. That way, uterine contractions reduce and hence the pain decreases. This tea is perfectly harmless, h...

How To: Use "there", "their", & "they're" properly

There, their and they're all sound the same. There is for location and information. Their is possessive adjective for they. They're is a contraction for they are. The bathroom is over there give the location of the bathroom. Their is used to show ownership. You can show possession through proper names or by use of the word their. Their house is over there shows the possessive "their" and location "there." They're=they are. They're over there. They're at their house. The words and the meanings...

How To: Tell if you're losing fat or gaining muscle

How do you know if you are making progress when you put yourself on a strict diet and exercise regimen? Many people wonder whether the numbers going down on the scale means they're losing fat, and if the numbers are going up, whether they're gaining muscle. This is a question that many body builders and those trying to lose weight (while gaining muscle) try to understand on the way to their goal weight.

How To: Define and build your chest quickly

This video describes how to exercise in such way to maintain or promote defined chest muscles. It is explained that the chest muscles should be worked hard enough to actually gain muscle mass. Next, it is explained that muscle mass is lost as you age and the skin loses elasticity. The video explains how to counteract the effects by building muscle to maintain a defined appearance. The video describes that chest exercises should be done in sets of 5-8 reps. The video next explains that when pe...

How To: Ease labor pains during child birth

In this video, we learn how to ease labor pains during birth. One way is to move your body and try different birthing positions. This will open up different parts of the pelvis and help more than lying down. Once you receive an epidural you won't be able to get up, so make sure you do these exercises during early labor. As long as your health care provider allows it, do these before you receive drugs. Any of these will help during contractions and help with pain during labor. Every woman is d...

How To: Rebuild the fire simulator in Houdini 9.5

Check out this masterclass on Houdini 9.5 and how to rebuild the fire simulator. Houdini's Fluid Tools offer a powerful simulation environment for visual effects artists. Senior Mathematician Jeff Lait introduces you to the basic building blocks for generating fluids and low level tools that make it easier to control the simulations.

How To: Do barbell squats

Squats are probably the most useful exercise you can do at the gym—no other single exercise encourages more muscle growth. With a range of motion that incorporates many different muscle groups in the legs, core and upper body, squats strengthen not only those muscles, but also the tendons and ligaments that connect them. In addition to their strength-building benefits, squats also teach you core stabilization, which is important for almost any athletic endeavor. Learn how to do barbell squats...

How To: Strengthen calf muscles

The calf muscles at the back of the lower leg are important to target when strength and weight training for speed and agility. Learn how to do calf muscle exercises in this strength training video. Take action: use platform or stairwell, stretch calves before flexing muscles, follow full range of motion to increase intensity, try using one leg for more resistance, and keep feet together or wide apart. Tom Clifford, the instructor in this how-to video, has a degree in physical education, fitne...

How To: Improve posture by activating your upper back muscles

In this video, Ozzie Jacobs shows how to activate your upper back muscles in order to tone them effectively when at the gym. As Ozzie explains, this is often more difficult to achieve due to the tendency of your shoulders to slump forward due to the effect of gravity. In order to properly activate your upper back muscles at a machine like a rowing machine, Ozzie advises her viewers to make sure that their back muscles are tightened, focusing and consciously trying to pull your shoulder blades...

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