Isometric exercise and weight lifting are both muscle-strengthening resistance exercises.
While you may not be as familiar with the term isometric exercise, you probably are with weight lifting, which has many benefits including improved muscular strength, endurance, performance levels, and posture. It also reduces stress and the risk of injury.
Weight lifting will increase your metabolism to help you lose weight and improve your body image. Increased strength from this type exercises is what enables you to perform daily activities and to remain healthy.
What Is Isometric Exercise?
Isometric exercise is another form of resistance training that prevents injuries and speeds up rehabilitation from existing injuries. Isometric exercise involves muscular contractions, during which no shortening or lengthening of a muscle occurs.
In other words there is no movement. Instead, there is a constant and equal force or strain placed on the muscles.
It was once believed that if there was no joint movement, strength would develop only at the position in which the exercise is performed. In order to develop strength throughout the full range of motion, it was thought that resistance must be applied when the joint is in several positions.
This is not the case. If the muscle is strengthened in the shortened position with an isometric contraction, the strength will carry over throughout the entire muscles range.
Isometric exercising has the capability of producing a deep level of muscular development in a very short period of time. Isometric exercises are not as popular today because of all the new training techniques and products on the market today.
Muscle Activation Technique incorporates isometric exercise because it is a simple but very effective method for strengthening muscles, thus aiding in injury recovery and prevention of future sports injuries.
Muscle Activation Technique solves several problems that weight lifting and other activities do not solve:
Problem #1: A weak muscle will not contract with most strengthening exercises because dominant muscles will compensate for weak muscles.
Problem #2: When the body senses instability in the joint, it will tighten up to protect the joint. Stretching a tight muscle will only create a temporary release and could result in a more vulnerable joint.
Problem #3: Muscle imbalances may occur through repetitive use of the same muscle, or through injury, causing the body to go into "protective" mode. Muscle imbalances can be observed in gait or in everyday activities.
In order to restore proper balance to the musculature, weak muscles must first be re-activated. Muscle balance can be restored only by isolating the muscle and restoring the neural connection through the use of precision manual therapy and isometric exercising techniques.
When performing isometric exercise contractions, the contraction should be held for 6 seconds and repeated 6 times. This allows time for peek tension to develop and metabolic changes to occur in the muscle.
The intensity of each isometric contraction should increase. By the 6th contraction, greater range of motion and neural input should occur.
Corrective isometric exercising in neuro-rehabilitation is based on the principle that the muscle has the least amount of proprioceptive input in the shortened position. In this position, the muscle spindle is slack. The muscle spindle sends feedback to the brain based on tension. This tension is least recognized when the muscle is in its shortened position.
The goal is to fool the system. By performing isometric contractions with the muscle in its shortened range; there is less spindle stretch lag and unloading effects, which make the muscle more responsive to resistance. This allows for an increased impulse to the brain, which in turn causes an increase in muscle strength.
Please call 540-840-3208 if you have questions about isometric exercise or would like learn more about how isometric exercise can eliminate your pain and improve your performance.
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