warm-up

n.

1. 1. The act or procedure of warming up.
   2. A period spent in warming up.
2. Clothing, such as a sweatsuit, made or designed to be worn before or after participation in an athletic event. Often used in the plural.

Three-to-five-minute period prior to a live television (or radio) show when someone affiliated with the upcoming broadcast spends time with the audience telling jokes, relating information about the show, or explaining some production elements in the show. A warm-up is done to make an audience more at ease and to make them feel as if they are part of the production, so that they will be in a responsive mood when the show comes on.

A routine used before strenuous activity to attain optimal body temperature, and to prepare physically and mentally for the activity. Body temperature can be raised by aerobic activities called pulse raisers. These are usually followed by mobility exercises or callisthenics (gentle movements to loosen joints) and static stretching of all the major muscle groups. Warm-ups improve the body's ability to transport oxygen and fuel to active muscles, increase the speed of muscle contraction, and reduce the risk of muscle and joint injuries.

1.  Prepare for exercise or an athletic event by stretching or practicing beforehand, as in It's important to warm up before you play any sport. The idiom is also applied to musicians getting ready to perform. [Late 1800s]
2.  Make enthusiastic, excited, or animated, as in He was good at warming up an audience for the main speaker. [Mid-1800s]
3.  Also, warm up to. Become friendlier or more receptive toward, as in I had a hard time warming up to my mother-in-law. [Early 1800s]
4.  Reach a temperature high enough to work efficiently, as in I'll go out and warm up the car. [Mid-1900s]
5.  Reheat food, as in If we warm up the leftovers, we'll have enough for everyone. [Mid-1800s]
6.  Approach a state of violence or confrontation, as in Racial tension was rapidly warming up. Also see heat up.

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A procedure, used prior to competition or hard training, by which an athlete attains the optimal body core temperature and specific muscle temperature for performance, and prepares physically and mentally for the activity. A rise in temperature may be gained passively by taking a warm bath, but it more commonly involves taking light aerobic exercise. There is a lack of general agreement about the effects of the warm-up, but the possible advantages include an increased metabolic rate; increased heart rate with improved oxygen and fuel transport to the muscles; increased speed of nerve conduction; and increased speed of muscle contraction. The warm-up procedure varies, but usually involves 15-30 min of static stretching, callisthenics, and other exercises designed to reduce the risk of muscle and joint injury and fully prepare the muscles for the specific activity to be undertaken. See also warm-up decrement.

Dansk (Danish)
n. - opvarmning

Nederlands (Dutch)
opwarmen, vriendelijker worden

Français (French)
n. - (Mus, Sport, Théât) échauffement

Deutsch (German)
n. - Aufwärmen

Ελληνική (Greek)
n. - (μηχαν., μτφ.) προθέρμανση

Italiano (Italian)
riscaldamento, allenamento

Português (Portuguese)
n. - aquecimento (m)

Русский (Russian)
разминка, товарищеский матч

Español (Spanish)
n. - ejercicios para entrar en calor, precalentamiento

Svenska (Swedish)
n. - uppvärmning

中文（简体）(Chinese (Simplified))
热身运动, 准备时期

中文（繁體）(Chinese (Traditional))
n. - 熱身運動, 準備時期

한국어 (Korean)
n. - 준비 운동, 흥분

日本語 (Japanese)
n. - 準備運動, ウォーミングアップ

العربيه (Arabic)
‏(الاسم) نشاط تمهيدي, سلسله تمرينات تسبق خوض المباراة, بدله للرياضه‏

עברית (Hebrew)
n. - ‮חימום (ספורט)‬

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Raiders Players Warm-up Jacket