Blogs

Isotonic & Isometric Muscles

There are two types of muscle contractions

Isotonic which is a voluntary muscle contraction that causes movement

Two types of isotonic are concentric and eccentric

Concentric – the muscle shortens as it works

Eccentric – the muscle lengthens as it works

Isometric which is a voluntary in which no movement occurs

For example, when you curl a dumbbell and hold it at 90 degrees

 

Advertisements
Blogs

11 Health Facts

1. More than 1/3 of adults and over 12.5 million children and teens in the US are obese. In the last 30 years, obesity in children and teens has nearly tripled.
2. One can of soda contains 10 teaspoons of sugar and the average American adult drinks 500 cans of soda every year, estimating about 52 pounds of sugar consumed in soft drinks alone.
3. In a survey of 9th through 12th graders in 2011, 13.1% of the teens admitted to skipping breakfast in the past 7 days, while 11.3% had drunk 3+ servings of soda per day in the same time frame.

Continue reading “11 Health Facts”