Beef up and Spread out

Beef up verb - To increase the ability of (as a muscle) to exert physical force.

Spread out and beef up are semantically related In some cases you can use "Spread out" instead a verb "Beef up".

Spread out verb - To arrange the parts of (something) over a wider area.

Beef up and spread out are semantically related in extend topic. Sometimes you can use "Beef up" instead a verb "Spread out", if it concerns topics such as longer.