Elbow Grease
Abbreviation: Shortness Of Breath On Exertion
Droplets of physical or mental effort: Sweat
Effortless means that no exertion was required. This could mean mental or physical exertion. It was easy, undemanding, unchallenging, painless, elementary, or simple.
Using the term shortness of breath alone could mean it is present at rest OR when exerting oneself Dyspnea specifies when shortness of breath is present with exertion
The phrase "lather up" means to stimulate, excite, or agitate soap and water to produce bubbles. It may also mean where a horse has developed sweat and foam from exertion, usually around their mouth and lips.
Fatigue is the term used for extreme tiredness usually due to mental or physical exertion or illness.
labour usually means physical or mental work or exertion.
too much exertion can kill you
The level of exertion at which you are exercising.
Force: The amount of exertion on a body
The level of exertion at which you are exercising.