Contraction
The activation of functioning muscle or muscle fiber.
Types of contractions:
- Concentric: The shortening of muscle fibers during the lifting portion of the exercise (e.g., lifting a dumbbell during a biceps curl).
Contraction
Isotonic
The contraction of a muscle with movement against a natural resistance.
Contraction - The act of shortening a muscle.
Definition - The absence of fat in the presence of well-developed muscle.
Contraction
The shortening and lengthening of a muscle that occurs while performing an exercise.
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CONTRACTION: The state of a muscle when tension is generated across a number of actin and myosin filaments.
CONTUSION: A bruise.
Trap Contraction
Heavy weight is not always best for packing on trap mass. Go light if you need to, but focus on getting an intense contraction. At the point of full contraction, hold the weight for a split second.
Peak Contraction Exercising a muscle until it cramps by using shortened movements.
Pec's Abbreviation for pectoral muscles of the chest.
Performance benefit Improvements in physical fitness as a result of exercise.
Peak Contraction Exercise
Peak contraction exercises are basically the opposite of fully stretched exercises. The majority of the tension is in the muscles is at the top of the movement when muscles are fully contracted.
Static contraction hammer curls
Static hammers stress the most impressive muscle in the forearm complex, the brachio-radialis. They also stress the biceps and bracialis, which give your arms a 3d look! ...
Contraction of the chest muscles at the top of this movement is critical. The movement is similar to a bird flapping it's wings while in an inverted position.
Contractions (more than four in one hour)
Abdominal or back pain and a feeling of pressure in the uterus
Unusual vaginal discharge (watery in nature)
Diarrhea ...
Contraction against an immovable force; static; a muscle contraction in which the tension increases, but muscle length remains the same.
Isotonic ...
The contraction of a muscle does not necessarily imply that the muscle shortens; it only means that tension has been generated. Muscles can contract in the following ways: ...
Back contractions, alternate arm-leg raises, back extension on the roman chair and the 45 degree back extension.
Rectus Abdominis and Obliques ...
When a contraction includes brief periods of relaxation, oxygen is taken up from outside the cell to assist pyruvate to produce more ATP. This relaxation period slightly increases the duration of contraction.
Muscle contractions produce heat and as much as 70% of body heat is produced by energy produced in muscle tissue.
Static Contraction: This occurs at the Fully Contracted Point just after the positive portion or raising of the weight has occured.
Use the contraction in the abdominal muscles to start the movement.
Avoid jerking head and shoulders forward to gain momentum.
This is a small range of motion. Don't expect to curl very high.
Hold the contraction for a few seconds and breathe in and out, squeezing out all the air you can on each exhalation. This will help get an even tighter contraction in the area.
3. Pull with one hand, push with the other ...
Muscular contraction where muscle maintains a constant length and joints do not move.
The word 'contraction' signifies a change in length (shortening) of a muscle but this does not occur in static strength training so the preferred term is static action not static contraction.
Parial Co-Contraction Lunges
1. Start in a lunge position.
2. Lower your back leg until your knee touches the floor.
3. Place one hand on the the tear drop muscle just on the inside of your knee.
Place other hand on the glute of same leg.
4.
Eccentric Contraction:
This is a contraction in which the muscle lengthens and works with gravity.
Explosiveness:
The muscle's ability to create strength as quickly and as forcefully as possible.
Isotonic contraction: A dynamic muscular contraction used in common weight-training exercises where the muscle moves the limb through a range of motion while contracted. Normally called dynamic training or contractions.
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Isotonic contraction: A muscular contraction that results in movement of a body part or joint.
Isotonic Exercise: An exercise where opposing muscles contract with controlled movement i.e. lifting free weights.
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Partial Co-contraction Lunge
Get into a lunge position with one knee nearly touching the floor and the opposite leg's thigh parallel to the floor.
Eccentric Contraction Muscle lengthens while maintaining tension.
Electrolytes Capable of conducting electricity in a solution. Used in many body activities, potassium, sodium and chloride are all forms of electrolytes.
Abdominal Contractions
Tilt against pillows or an exercise ball to keep your back aligned. Place your hands on your stomach and deeply inhale. Completely fill your chest and stomach with air you inhale.
Eccentric contraction- A lengthening of the muscle during its contraction; controls speed of movement caused by another force.
Ectomorph- A body shape characterized by a narrow chest, narrow shoulders and long, thin muscles.
Eccentric contraction - The muscle contraction that refers to a lengthening, or often lowering, in response to an external load or resistance.
The term 'static contraction training' is sometimes used to describe isometrics. However, 'contraction' signifies a change in length (shortening) of the muscle belly, which does not occur during static strength training.
is the eccentric contraction--called the "negative" phase of the repetition--is the part with resistance, because you are returning the weight from the end of the positive phase back to the beginning.
HEART RATE : Contraction of the heart usually measured as beats per minute
HEART RATE MONITOR : A device that measures the electrical activity of the heart (heart rate); usually consists of a chest strap and watch-like wrist receiver.
You must hold the contraction very tight for at least 40 seconds. If you can't hold the contraction for 40 seconds, just practice and your time will eventually improve. Rest 5 seconds and repeat 2 more times.
An isometric muscle contraction is when force is applied to a static object so there is no movement at the joint. Apparatus can be used to measure the maximum force applied.
Active (dynamic) stretching [back to top] A technique in stretching muscle and tissue that requires muscle contraction through a range of motion; no outside force is involved.
During a workout, repeated contractions cause lactic and other acids, as well as proteins and hormones, to build up in muscle tissue. This can cause pain even without injury.
The results of this study show that intense, slow eccentric contractions were prominent over concentric muscle actions especially in the Super G (SG) and Giant Slalom (GS).
Adaptation to chronic eccentric exercise in humans: the influence of contraction velocity. European Journal of Applied Physiology, 285, 466-471
3. Volek, J.S., Duncan, N.D., Mazzetti, S.A., Staron, R.S., Putukian, M., Gomez, A.L, Pearson, D.
Endurance events consist of many thousands of submaximal muscular contractions over an extended period of time, whereas Strength or Power training requires very few maximal or near maximal muscular contractions.
During exercise your muscles must burn calories to fuel their contractions.
Abdominal Strengthening by Voluntary Contraction
Begin in a lying or seated position, slowly breathe out (exhale) while ‘squeezing’ your abdominal muscles. Be sure to keep your breathing steady, rhythmic, and calm.
cortisol, cortisone a corticosteroid cramp, muscle cramp painful, involuntary muscular contraction creatine Naturally occurring in muscle tissue, ...
The power of muscle contraction is how fast the muscle can develop its maximum strength. Muscle power depends on strength and speed [power = (force x distance)/time].
The rest of the movement is mainly due to contraction of Trapezius muscle pars acendens, Serratus anterior muscle and trapezius pars decendens.
Rather just go until you feel the contraction and then lower yourself.
Keep your abs contracted - Keep our abs tight and contracted the whole time for stability and to make the movement more effective.
Carbohydrates are the main nutrients that provide energy and fuel for muscle contractions during moderate to high intensity exercise.
It consists of diaphragm function, rib and lung expansion and contraction, integrated within optimal transition between the pelvic, belly, back, side, chest, throat and jaw portions of the breathing cycle coupled with an interior perception of ease, ...
Stretching relaxes the muscles from constant contraction. Stressed muscles require more energy in order to regain relaxed state.
After a series of processes, this increase of abnormal stomach contractions can force what little bit of HCl you produce up into the esophagus. This can cause a burning or painful sensation from your stomach up into the back of your throat.
The word comes from Greek meaning table, which in turn is a contraction of tetrapeza, meaning four-legged.
Muscle Fiber Types and Contraction
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Muscles generate heat and force for movement, help us breathe, and keep our bodies upright.
Two methods that present a more radical approach are slow lifting and static contraction training. In slow lifting you are performing your reps at an extremely slow tempo (one rep can take more than 10 seconds).
Each rep should last 3 seconds on the concentric contraction and 3 seconds on the eccentric contraction (3 seconds down and 3 seconds up) with a normal breathing pattern.
Sodium helps in the conduction of nerve impulses,contraction of muscles and maintening the water balance in the body.
Glycogen is energy stored in muscle cells that is primarily used during intense muscle contractions. Some examples of these intense muscle contractions would be strength training, running, hard physical work, etc.
One controlled study that included patients with muscle-contraction headache as well as other types of headache, revealed that smokers had significantly more severe headache episodes than nonsmokers.
Muscle Spasm - Sudden, involuntary contraction of muscle or muscle group.
Muscle Tone - Condition in which a muscle is in a Constant yet slight state of contraction and appears firm.
Muscularity - An alternative term for "definition" or "cuts." ...
Calcium also plays an important role in muscle contraction, transmitting messages through the nerves, and the release of hormones.
To evaluate whether a machine is worth using should be reasonably simple. If it encourages an ab contraction under a load it is good, if not don't bother.
 See also: Exercise, Lower, Back, Strength, Work
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