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09 Dec

Isotonic Contractions

Isotonic contractions are those which cause the muscle to change length as it contracts and causes movement of a body part. There are two types of Isotonic contraction:

Concentric – Concentric contractions are those which cause the muscle to shorten as it contracts.

Eccentric – Eccentric contractions are the opposite of concentric and occur when the muscle lengthens as it contracts.

For example, when doing a biceps curl it is an isotonic movement.

 

Isometric Contractions

Isometric contractions occur when there is no change in the length of the contracting muscle.

For example, this occurs when carrying an object in front of you as the weight of the object is pulling your arms down but your muscles are contracting to hold the object at the same level. Another example is when you grip something , such as a tennis racket. There is no movement in the joints of the hand, but the muscles are contracting to provide a force sufficient enough to keep a steady hold on the racket.

 

Isokinetic Contractions

Isokinetic contractions are similar to isotonic in that the muscle changes length during the contraction, where they differ is that Isokinetic contractions produce movements of a constant speed.

For example, breast stroke in swimming, where the water provides a constant, even resistance to the movement of adduction.

07 Dec
  • Help restore muscle strength and firm up your body
  • Make you less tired because it raises your energy level and improves your sense of wellbeing
  • Promote weight loss
  • Improve your cardiovascular fitness and restore muscle strength
  • Condition your abdominal muscles
  • Improve your mood, relieve stress and help prevent postpartum depression.

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02 Dec

No, you do not work these from just doing your ordinary sit ups. In fact why would you be doing sit ups in your training routine anyway? Yes it is a ‘core’ exercise however it is only working your abdominals in one plane of movement and this is not functional. Just think how often in your everyday life do you create this movement, maybe once when you get out of bed……..so why do we do it in training. Ideally we should be working our core in a transverse plane (more of a twisting movement), as this is a movement we replicate multiple times in our everyday life; from putting the shopping away to picking something up off the floor. If we are not training in a transverse plane of movement then it is almost impossible to work your transverse abdominis. Our transverse abdominis are muscles that helps to compress the ribs and viscera, providing thoracic and pelvic stability, meaning that these are crucial in supporting your lower back. And people wonder why so many people have bad backs………for more information and exercises to strengthen your transverse abdominis then please call us on 07500774546.

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