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3 years ago

According to the article, what are some instances in which one should refrain from stretching?

2 answers:

8 0

These are the instances when you should avoid stretching:
1. when you have had a recent injury otherwise you may worsen the injury further.
2. After surgery especially if it on the Achilles heel or tendon, it is not advisable to stretch, it should be given time to heal.
3.If you are feeling cold. doing so can cause a muscle tear.

Svetradugi [14.3K]3 years ago

7 0

One must refrain from stretching if you had a recent injury such as acute muscle strain, nerve injury, acute ligament sprain and if you have consistent, sharp, radiating pain. Another reason if you just had a surgery that needs ample time to allow tissue to heal and restore its function.

Moreover, when you have muscle spasm, do not attempt to stretch your muscle for it will make the pain worse and if you are cold, try to walk in place to warm up your muscle before starting an exercise to decrease the likelihood of injury.

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Jessica's new diet plan contains 3.3 mg of heme iron and 17.5 mg id non heme iron. what us the amount of biologically available

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1.37mg is a total concentration of iron.

Further Explanation:

Iron is a vitally important element that is required for oxygen transport as a component of hemoglobin. Haemoglobin is composed of two components; heme and globin chain. Heme is further composed of two component; iron and porphyrin ring and globin is a protein chain. Heme part of the hemoglobin helps in binding oxygen component whereas globin chain helps in transport because it is soluble in body fluid. When heme group breaks down it release iron and phosphorus in the body fluid. Iron is obtained from dietary source.

The naturally occurring iron is formed in two forms; heme and non heme iron in food that are handled and absorbed by the human cell differently. Heme iron is a kind of iron present in muscle tissue and blood. The source of heme iron is meat, seafood, poultry and fish. It is generally present in the form of animal protein. Non heme protein is a plant as well as animal based iron. They are present in beans, grain, vegetables, fruits, seed, nuts, egg and milk. Heme iron is absorbed more easily in human body than non heme iron.

Biologically available heme can be calculated by the formula given below.

$\text{Biologically available}=\dfrac{\text{dietary intake}\times\text{absorption}}{100}$

The concentration of heme iron can be calculated by,

$\begin{aligned}{\text{Heme iron}}&=\frac{{3.3 \times 15}}{{100}}\\&=0.49{\text{ mg}}\end{aligned}$

Calculate the non heme concentration by,

$\begin{aligned}{\text{Non - heme iron}}&=\frac{{17.5\times5}}{{100}}\\&=0.875{\text{ mg}}\end{aligned}$

Total concentration of iron,

$\begin{aligned}{\text{Total iron}}&=0.49+0.875\\&=1.37{\text{ mg}}\end{aligned}$

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Answer Details:

Grade: High School

Subjects: Biology

Topic: Dietary Iron

Keywords:

Heme, non heme, iron oxygen, hemoglobin, porphyrin, phosphorus, muscle, tissue, beans, grain, vegetables.

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What is the monthly premium for an insurance policy that costs $600 yearly?

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