Tag Archives: Lower back

All Abdominal Exercises are Not Created Equal

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by J. R. McNeal, M. S., C.S.C.S. and W.A. Sands, Ph.D.

The fitness industry is replete with exercise devices designed to enhance fitness or sculpt the body. They are marketed to the unsuspecting and often gullible consumer, promising quick fixes and effortless results. Oh, if only it was that easy! Considering the amount of money Americans spend on fitness gadgets, we should be the fittest nation in the world instead of the fattest! One of the most recent trends in the industry is the emergence of the various abdominal conditioning devices, designed to “isolate” the abdominals (as if that were possible!), reduce neck strain, and in general make exercising the abdominal muscles an enjoyable experience. Are all of these devices created equal? How do they compare to a regular crunch, or the “forbidden” situp? The purpose of our investigation was to answer these questions. We decided to compare 6 different commonly performed exercises and devices to see if indeed there are differences in muscle activation and range of motion. By comparing the amount of muscle activation achieved, we can make recommendations regarding the relative value of one exercise over another with respect to force generated by the target muscles (the abs). Range of motion meanwhile, is a variable that has been virtually ignored in the fitness research literature. Watch virtually any throwing activity for example, and you can see that the range of motion of the trunk during such movements is large indeed.

We asked 20 active, college-aged students to participate in this investigation (10 females, 10 males). The exercises selected were 1) a regular crunch from the floor, 2) a regular situp with feet constrained, 3) a situp with the addition of the AbMat™ pad, 4) a crunch performed with an ab-roller type device, according to the recommendations of the manufacturer, 5) a crunch performed with the ab-roller combined with the AbMat™ pad, and finally 6) trunk flexion utilizing the Ab Bench resistive device. The exercises were demonstrated to the subjects, and they were allowed to practice each until they were comfortable with their performance. They were then videotaped with high-speed video while performing 3 trials of each exercise. Various anatomical structures of the subject were marked with reflective tape so that they were evident on the screen. This allowed the videotaped performances to be digitized and analyzed for specific kinematic information; in this case, angular displacement. Electromyography electrodes were placed on the upper and lower abdominals to assess muscle activity.

Findings:
For the lower trunk angle, the AbMat™ and Ab Bench achieved significantly greater ranges of motion than did the ab-roller exercises, the situp, or the regular crunch, although the traditional situp was significantly better than the ab-roller exercises and the regular crunch. At the hip and upper trunk angles it was again discovered that the AbMat™, Ab Bench, and the traditional situp were better than the ab-roller devices or the regular crunch at moving through a large range of motion. In most cases, the ab-roller exercises and the regular crunch did not differ from eachother, making the purchase of an ab-roller for specifically conditioning the abdominals questionable when compared to the regular crunch, which doesn’t cost anything! However, if the goal is exceptional conditioning of the abdominals through a large (“functional”) range of movement, then devices such as the AbMat™ and Ab Bench, which place the abdominal muscles in a slightly stretched position prior to each repetition, may be a wise equipment investment.

The muscle electrical activity provided even more insight into the efficacy of these particular exercises. It was of particular interest to us that the recordings from the abdominals could be described by different characteristic recordings; the regular crunch, ab-roller exercises, and the AbMat™ were characterized by a continuous activation pattern with a low amplitude (low force output), while the Ab Bench and situp were described by two distinct phases, concentric and eccentric which were of much higher amplitude. We did not feel we could adequately compare the two groups of exercises against each other due to these differences and thus the results basically compare exercises within each group. This is one example of the problems that can influence the results of electromyography studies of the abdominals, and any study not accounting for these differences should be considered with some reservation. Another problem which is inherent in electromyography investigations of the abdominals (but rarely if ever acknowledged by researchers in their results!) is the problem of skin and fat rolling that occurs whenever the trunk flexes. This makes the nature of the muscle electrical activity change as the electrode moves farther from and closer to the muscle. We feel that it is important to be aware of such shortcomings in this type of research so that you can become a more knowledgeable consumer.

The continuous activation exercises were not different in their activation of the upper abdominals. However, for the lower abdominals the AbMat™ elicited significantly more activity than did the ab-roller exercises. The regular crunch was superior only to the ab-roller exercise used simultaneously with the AbMat™. Therefore, the AbMat™ seems to be the superior exercise of this group for eliciting muscle activation, especially when the lower abdominals are considered.

The situp and Ab Bench exercises as stated earlier, were different in their EMG patterns. Because the EMG was greater in these exercises, but occurred over a shorter time period, these exercises may be better choices if large force production is desired, rather than muscular endurance. For both the upper and lower abdominals the situp produced greater activation than the Ab Bench. It is critical to note, however, that due to the limitations of this study and these typical subjects, we were not able to approach any kind of maximal load on the Ab Bench. The Ab Bench allows resistance to be added to the exercise, which would cause an increase in muscle activation to move the increased load. In other words, one should be able to get any level of activation up to a maximum with the Ab Bench. The situp is constrained by the weight of the individual’s upper body. This was likely a major drawback in the ability of this study to properly distinguish between these two exercises. Common sense would tell us that if we were able to increase the resistance provided by the Ab Bench, the muscle activation results would have been different.

In conclusion, it can be recommended that ab-roller devices may not be any better than the regular crunch in conditioning the abdominals. For specificity of movement, equipment such as the AbMat™ and Ab Bench which place the spine in a slightly hyperextended position prior to abdominal contraction may be better choices, especially for sport performance. The situp appears to also be a good choice for both range of motion and activation, although it is limited in the amount of resistance and thus less muscle activation which can be achieved

J. R. McNeal, M. S., C.S.C.S.
W.A. Sands, Ph.D.
Dept. Of Exercise
SLC, UT. 84112

Lower Body Stretches

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Stretching is an important part of any workout routine. It helps increase your flexibility and reduce your chances of injury.

You should stretch both before and after your workout and make sure your muscles are warm (i.e., stretch after you warm up). Following are some common stretches for your lower body including your quads, hamstrings, glutes, calves and hips.

Do each stretch at least once and hold for at least 15 seconds (more if you have time!). Each stretch should feel good. If you feel any pain, ease up and go slower.

Hip flexor stretch

Hip flexor stretch

Hip Stretch

Cross left foot over right knee. Clasp hands behind right thigh and gently pull the leg in towards you, keeping upper body relaxed. Switch Legs.

Hamstring stretch

Hamstring stretch

Hamstrings

Lie on floor with knees bent. Straighten one leg and slowly pull it towards you, clasping the thigh, calf or ankle. Keep knee slightly bent. Switch legs.

Inner thigh stretch

Inner thigh stretch

Inner Thighs

Sit on floor with feet pressed together. Keeping abs in, lean forward until you feel a gentle stretch in your inner thighs.

hip_flexor_stretch

Hip flexor stretch

Another hip stretch

In lunge position, rest back knee on the floor, with front knee at 90 degree angle, abs in. Gently press forward until you feel a stretch in the front of the leg/hip. Switch legs.

Hamstring stretch

Hamstring stretch

Hamstrings

From above lunge position, slowly move backward until leg is slightly bent. Bend forward at the hip, keeping back flat until you feel gentle pull in the back of the leg. Switch legs

90 90 hip stretch

90 90 hip stretch

90-90 hip stretch

Sit on the floor with both legs bent at 90 degree angles. Slowly lean forward until you feel a gentle stretch in your hips. Switch legs.

Hip flexor stretch

Hip flexor stretch

Hip Flexors

From above position, straighten one leg and pull the other knee into your chest until you feel a stretch in your hip. Switch legs.

Spinal twist

Spinal twist

Spinal Twist

Lying on the floor, place right foot on the left knee. Using your left hand, gently pull your right knee towards the floor, twisting your spine and keeping left arm straight out, hips and shoulders on the floor. Switch sides

Lower back stretch

Lower back stretch

Lower back/hips

Lying on the floor, pull your knees into your chest and clasp your hands under your knees. Gently press your hips to the floor.

Calf stretch

Calf stretch

Calf Stretch

On hands and knees, straighten your legs, but keep them slightly bent. Gently press one or both feet towards the floor, keeping back flat and abs in.

Quadricep stretch

Quadricep stretch

Quadriceps

Lie down on your side using elbow for balance. Using other arm, slowly pull your foot towards your glutes, keeping both knees together and bent knee pointing down. Switch legs.

Benefits of Flexibility Training

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Flexibility is a joint’s ability to move through a full range of motion. Flexibility training (stretching) helps balance muscle groups that might be overused during exercise or physical activity or as a result of bad posture. It’s important to clearly understand the many benefits that result from a good flexibility program.

Improved Physical Performance and Decreased Risk of Injury
First, a safe and effective flexibility training program increases physical performance. A flexible joint has the ability to move through a greater range of motion and requires less energy to do so, while greatly decreasing your risk of injury. Most professionals agree that stretching decreases resistance in tissue structures; you are, therefore, less likely to become injured by exceeding tissue extensibility (maximum range of tissues) during activity.

Reduced Muscle Soreness and Improved Posture
Recent studies show that slow, static stretching helps reduce muscle soreness after exercise. Static stretching involves a slow, gradual and controlled elongation of the muscle through the full range of motion and held for 15-30 seconds in the furthest comfortable position (without pain). Stretching also improves muscular balance and posture. Many people’s soft-tissue structures has adapted poorly to either the effects of gravity or poor postural habits. Stretching can help realign soft tissue structures, thus reducing the effort it takes to achieve and maintain good posture in the activities of daily living.

Reduced Risk of Low Back Pain
A key benefit, and one I wish more people would realize, is that stretching reduces the risk of low back pain. Stretching promotes muscular relaxation. A muscle in constant contraction requires more energy to accomplish activities. Flexibility in the hamstrings, hip flexors, quadriceps, and other muscles attaching to the pelvis reduces stress to the low back. Stretching causes muscular relaxation, which encourages healthy nutrition directly to muscles; the resulting reduction in accumulated toxins reduces the potential for muscle shortening or tightening and thus reduces fatigue.

Increased Blood and Nutrients to Tissues
Another great benefit is that stretching increases blood supply and nutrients to joint structures. Stretching increases tissue temperature, which in turn increases circulation and nutrient transport. This allows greater elasticity of surrounding tissues and increases performance. Stretching also increases joint synovial fluid, which is a lubricating fluid that promotes the transport of more nutrients to the joints’ atricular cartilage. This allows a greater range of motion and reduces joint degeneration.

Improved Muscle Coordination
Another little-known benefit is increased neuromuscular coordination. Studies show that nerve-impulse velocity (the time it takes an impulse to travel to the brain and back) is improved with stretching. This helps opposing muscle groups work in a more synergistic, coordinated fashion.

Enhanced Enjoyment of Physical Activities
Flexibility training also means enhanced enjoyment, and a fitness program should be fun if you want to stick with it. Not only does stretching decrease muscle soreness and increase performance, it also helps relax both mind and body and brings a heightened sense of well-being and personal gratification during exercise.

As you can see, flexibility training is one of the key components of a balanced fitness program and should be a part of your exercise routine. Without flexibility training, you are missing an important part of overall health. Flexibility training provides many important benefits that cannot be achieved by any other exercise or activity. Good luck: I hope you enjoy all the wonderful benefits of an effective flexibility training program.

By Chad Tackett, president of GHF

Tennis fitness

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Fancy a game of tennis? If you’re after a body of steel then your answer should be yes.

Tennis is a brilliant game and for a number of surprising reasons. For starters, it’s enormous fun. Secondly you can do it with friends and enjoy a bit of catch-up all at the same time and thirdly, it can help you build a rock-hard body, toned legs and firm arms.

That’s right, tennis may appear civilised, but in reality it’s anything but. As anyone who has played the game will tell you, tennis is a sweat-inducing, muscle burning, full-body workout. You only need to look at the incredible physiques of Venus Williams or Mark Philippoussis to see that.

“Tennis is a great workout,” says Mike Hetherington, a professional tennis teacher at Cooper Park Tennis Centre, Double Bay, in Sydney.

“It pretty much works your whole body. Tennis players have good legs and bottoms and their shoulders are great, too.”

If that hasn’t convinced you, then think about this. Your average game of tennis burns up roughly 500 kilojoules in 15 minutes. That equates to 1000kj in 30 minutes, 150kj in 45 minutes and close to a whopping 2000kj in just 60 minutes. Accordingly, just a couple of casual games a week and you’ll soon see the difference. Not only that, but your aerobic capacity will go through the roof, your hand-eye coordination will improve, as will your balance. So, who’s for a game?

playing by the rules
Traditionally tennis is played with two or four people. The idea is that you hit the ball over the net and between one another for as long as possible. If the game is played by the rules (and that’s entirely up to you) the ball should land within the white lines. If you’re playing doubles you only need worry about the white line behind you. If you’re playing singles, however, the ball cannot go past the white line behind you or into the sections on either side of the tennis court.

It sounds simple enough but when you’re just starting out (and actually even when you’re pretty good), it can be tricky to get the ball to go exactly where you’d like it to. The good news about that is that if the ball lands on the line it’s considered to be in. Excellent.

The main aim of tennis is to get more points and therefore win, but there’s much more to it than that. Like having a blast, for example.

“Tennis makes you fit which is great,” says Hetherington, who has competed throughout Australia and the US. “It’s a social game as well and it’s great for anyone from five to 85. And it involves plenty of adrenaline. It’s a great challenge to hit the ball and keep it going and when you do it’s extremely satisfying.”

doing it right
If you like the sound of all that then you might want to have a lesson. Sure, you can hop on the court and just bash the ball about, but it will be more satisfying if you pick up a few basics, and an instructor can show you how.

If you have a lesson one of the first things you’ll learn is how to hold a tennis racquet properly.

“You can pick a racquet up and have a go, but you won’t do it right,” says Hetherington. “You have to learn the swing pattern.”

The swing pattern includes the back swing, the follow through and the contact point. “With good instruction you can pick it up pretty quickly,” says Hetherington.

“You learn a bit each lesson and you pick up even more the next time round.”

And don’t worry about coordination. “We see plenty of people who aren’t the best when it comes to hand eye coordination, but we can definitely teach them how to play and well. It just takes a little bit longer,” says Hetherington.

you will need
Before you hit the court you’ll need to look the part. That means a tennis skirt or dress for women and shorts and shirt for men. Clothing should allow plenty of give and fabrics that keep sweat away from the body are perfect. Tennis gets hot.

Of course, you’ll need racquet. Beginners should make sure they look for racquets that are lightweight and oversized.

“The larger the frame, the easier it is to hit the ball,” he explains. “And the lighter the racquet, the easier it is to swing so you have more control.”

A good-quality racquet will cost between $80 to $150, but get advice before you purchase. “Don’t just grab one off the shelves,” says Wolford. “You need the one that’s right for you.”

You’ll also need specifically designed tennis shoes. These will have a non-marking sole and will provide cushioning and, in particular, ankle support.

And finally, don’t forget tennis balls. They’re about $10 for three.

stretch me
Before you hit the court, warm up for five or 10 minutes (a quick walk or a gentle jog will do the trick) and then perform some basic stretches. Tennis players frequently damage their wrists and forearms so ensure you work on this area. Also, stretch your shoulders and mid-back, your thighs both rear (hamstrings) and front (quadriceps) and your calves. Hold each stretch for 10 to 30 seconds and push yourself to the level of discomfort only. If you experience pain stop immediately and check in with a GP or physiotherapist to ensure you’re not injured.

learning the lingo
If you’re going to play tennis, or pretend you do, there’s a few important terms you need to know. Learn these and you’ll be a smash hit on any court.

• serve This is the overhead shot that starts every point. For it to be a success, the ball must land in the other player’s service box.
• ace The term used when a serve is successful – meaning the other player has not been able to return it.
• deuce This is when the score is tied at 40-40.
• game This is where the points are tallied. It goes like this – 15, 30, 40 then game. Games make sets and sets make a match.
• love A scoring term used when the score is zero. You can shake your head and act disappointed when you hear this.
• rally When the ball is hit back and forth over the net. When this happens it’s time to get up on your feet and cheer. Well, at the end of the rally anyway.
• baseline This is the line at the end of the court. Simple really.
• alley The area that runs between the singles and doubles sidelines.
• break point This is when the player receiving the serve has a chance to win the game on the point. Very exciting stuff!
• volley When a player hits the ball before it bounces it’s called a volley.

A mans workout

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If you’re a regular Aussie bloke looking to get in shape, we’ve got good news.

When it comes to shifting fat and gaining muscle, it seems men have won the lottery. Thanks to their physiological make-up, men (the lucky buggers) can do both quicker and with less effort than women.
This is largely due to the fact that women tend to store fat on their hips and thighs, while men more commonly put it on their middles.
A little padding around the butt and thigh area might not be the stuff dreams are made of, but it’s entirely natural. Women are designed (physically speaking) to bear children and that means they need to store a little excess fat to support a child if needed. Men have no physiological need to store excess fat. Accordingly they are able to shed it easier.
“It’s a scientific fact that a beer belly is easier to get rid of than thigh or bottom fat,” says Professor Stephan Rossner, director of the Obesity Research Program at Luddinge Hospital, Stockholm.
“A beer belly is easier to mobilise and responds more quickly. Women don’t have the ability to shift weight like men do. That’s just the way it is.”

thinking it through
Studies have also shown that men are one step ahead of women when it comes to sticking with a diet or exercise program. Why? Because once they decide to shed fat and gain muscle, they do it.
There’s also the fact that men have often been raised on exercise.
“Men are encouraged to get involved in sport when they’re young,” says Katy Try, head trainer at Golds Gym in Sydney.
“If people exercise when young it’s much easier to reactivate that when older. If you have had no exercise history it’s harder to get started.”
Unfortunately it seems that many Australian men (women too, but we’re not focusing on them today) are finding it very hard to get started. At this point in time about 65 per cent of men (and yes, 55 per cent of women) are considered overweight. If you’re a bloke, and you’re part of that group and would like not to be, don’t panic – there are ways and means. As we said earlier, being a man means losing weight and gaining muscle shouldn’t be that hard for you. If it does get tough you can comfort yourself with this thought – it’s harder for women!

making a move
Of course, even men need to do it right. That means watching what you eat and getting plenty of exercise. By exercise we mean cardiovascular workouts (think walking, jogging or playing footy) and resistance training such as lifting weights. If you can, you should get some cardiovascular exercise every day. Weights can be performed anywhere from three to five times a week.
But don’t get too caught up with exactly how much weight you’re lifting, says Try.
“Correct technique helps build the muscle, not just the actual weight,” she says. And for those blokes who worry only about the “mirror muscles” it’s time to rethink your workout. Your exercises should be more balanced. “Many men tend to worry about the muscles they can see and forget about the others, but that’s not a good idea,” says Try.
Kelly Baker is a fully qualified personal trainer.
hey fellas

10 reasons why men should be working out

  1. It will help lower your blood pressure.
  2. It will decrease your chances of coronary heart disease.
  3. Your energy levels will go through the roof.
  4. You can greatly ease lower back pain.
  5. Your body will be a lean, mean fighting machine (or closer to it anyway).
  6. Stress levels will drop.
  7. You’ll lose fat.
  8. You’ll build strong bones.
  9. You will rev up your metabolism, meaning you can get away with eating more.
  10. It’s fun. Really.

 

  1. Dumb-bell shoulder press.
    Hold a dumb-bell in each hand and sit on a fitball or bench. Plant your feet flat on the floor about hip-width apart. Once you’re comfortable, push your weights up over your head until they almost touch. Slowly lower to about ear level and then repeat. Ensure you don’t lock your elbows at the top of this movement and keep steady. Form counts! 
    Gives you: sensational shoulders.
  2. Triceps kickback 
    Rest your left lower leg on a weight bench. Grasp a dumb-bell in your right hand. Lean forward at the hips and place your left palm on the bench. Bend your right elbow so your upper arm is parallel to the floor, palm facing in. Straighten your arm out behind you. Slowly return to the starting position and then repeat. Don’t forget your left arm! 
    Gives you: buff backs of arms
  3. One-arm dumb-bell row 
    Stand with your right lower leg resting on a weight bench. Grasp a dumb-bell in your left hand. Lean forward at the hips and place your right palm on the bench. Drop your left hand down. Then pull your left arm up until your upper arm is parallel to the floor and your dumb-bell is near your waist. Gently lower and repeat. Both arms please!
    Gives you: Gorgeous upper back.
  4. Dumb-bell chest
    Press Lie on the bench with your feet flat. Push your weights up so that your arms are directly above your shoulders. Lower the dumb-bells until your elbows are just below your shoulders. Then, push the weights back up. Move with control and don’t allow your elbows to lock or your shoulder blades to come off the bench. 
    Gives you: an amazing chest.
  5. Ball crunch 
     To get in position, rest your back (all the way from shoulder blades to tail bone) on the round curve of the ball. Ensure your head, neck and also shoulders are above the ball. Your knees should be bent and feet flat on the floor, roughly hip-width apart. Once you’re ready to get going, cross your hands across your chest. Then, curl up and forward. Hold for a second at the top of the movement and then gently lower. 
    Gives you: killer abs.