# Do surgeons have steady hands?

## Do surgeons have steady hands?

**Surgeons** know techniques to make their **hands steady**. They rest their **hands** on the surface of the patient or on stacks of surgical towels. They are using the fine motor control (which we all **have**) in the **hands** rather than the large muscles that control the arms.

## Why is my hand so shaky when I draw?

Check your grip, too. If you're clutching your pencil or pen too hard, that's, like, a lot of strain on your **hand**. Try clenching your fist right now—it might be a little hard to hold it steady. You don't need a tight grip to **draw** and it'll make you tense and **shaky**.

## Why do I feel shaky inside?

Internal vibrations are thought to stem from the same causes as tremors. The **shaking** may simply be too subtle to see. Nervous system conditions such as Parkinson's disease, multiple sclerosis (MS), and essential tremor can all cause these tremors.

## How do you sketch a linear equation?

**To graph a linear equation, we can use the slope and y-intercept.**

- Locate the y-intercept on the graph and
**plot**the point. - From this point, use the slope to find a second point and
**plot**it. **Draw**the line that connects the two points.

## How do you sketch a graph of a quadratic equation?

**The steps to sketch a quadratic equation by completing the square are:**

- Complete the square.
**Equation**should be in y = a(x - h) 2 + k form (*Memorise) - Determine shape and turning point of the curve (*Memorise) If a < 0, it is a maximum curve ('sad face') ...
- Find the x-intercepts and y-intercept.
**Plot**the**graph**.

## What does sketch a graph mean?

In such cases, a **sketch graph** is drawn instead of plotting a number of points to obtain the **graph**. ... Two points are needed to obtain a straight line **graph**. It is simpler to find the points of intersection of the **graph** with the axes. These points are called the x- and y- intercepts.

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