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crunch

 
Dictionary: crunch   (krŭnch) pronunciation

v., crunched, crunch·ing, crunch·es.

v.tr.
  1. To chew with a noisy crackling sound.
  2. To crush, grind, or tread noisily.
  3. Slang. To perform operations on; manipulate or process (numerical or mathematical data).
v.intr.
  1. To chew noisily with a crackling sound: crunching on celery.
  2. To move with a crushing sound: crunching through the snow.
  3. To produce or emit a crushing sound.
n.
  1. The act or sound of crunching.
  2. A modified sit-up having a smaller range of motion that reduces back strain and strengthens the abdominal muscles: stomach crunches.
    1. A decisive confrontation.
    2. A critical moment or situation, especially one that occurs because of a shortage of time or resources: a year-end crunch; an energy crunch.
    3. A period of financial difficulty characterized by tight money and unavailability of credit.

[Alteration of craunch, possibly of imitative origin.]

crunchable crunch'a·ble adj.

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(1) To process data. See number crunching.

(2) To compress data. See data compression.

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Thesaurus: crunch
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verb

  1. To bite and grind with the teeth: champ, chew, chomp, chump, crump, masticate, munch. Regional chaw. See mouth.
  2. To rub together noisily: gnash, grind. See sounds/pleasant sounds/unpleasant sounds/neutral sounds or silence.

Antonyms: crunch
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n

Definition: crucial point
Antonyms: trivia


Hacker Slang: crunch
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1. vi. To process, usually in a time-consuming or complicated way. Connotes an essentially trivial operation that is nonetheless painful to perform. The pain may be due to the triviality's being embedded in a loop from 1 to 1,000,000,000. “FORTRAN programs do mostly number-crunching.

2. vt. To reduce the size of a file by a complicated scheme that produces bit configurations completely unrelated to the original data, such as by a Huffman code. (The file ends up looking something like a paper document would if somebody crunched the paper into a wad.) Since such compression usually takes more computations than simpler methods such as run-length encoding, the term is doubly appropriate. (This meaning is usually used in the construction file crunch(ing) to distinguish it from number-crunching.) See compress.

3. n. The character #. Used at XEROX and CMU, among other places. See ASCII.

4. vt. To squeeze program source into a minimum-size representation that will still compile or execute. The term came into being specifically for a famous program on the BBC micro that crunched BASIC source in order to make it run more quickly (it was a wholly interpretive BASIC, so the number of characters mattered). Obfuscated C Contest entries are often crunched; see the first example under that entry.


Word Tutor: crunch
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pronunciation

IN BRIEF: To grind or move over with a noisy, crushing sound.

pronunciation Do not crunch your cereal so loudly that others can hear you.

Wikipedia: Crunch (exercise)
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Performing the crunch.

The crunch, also known as curl-up, is one of the most common exercises for the abdominal muscles, primarily the rectus abdominis. It is considered a safer alternative to the sit-up.[1]

Contents

Form

Proper starting form is lying face up on the floor with knees bent. The movement begins by curling the shoulders towards the pelvis, with hands placed behind or beside the neck, or crossed over the chest. Using the hands to exert force on the neck can cause injury, so common practice is to avoid placing the hands behind the head itself. The hands can however, form a shelf to support the weight of the head, so that the neck flexor muscles can relax during the movement. So long as the neck remains in an extended position with the neck flexors relaxed, then the hands are not exerting excessive force and it will not cause injury.

Alternatives

Crunch exercises may be performed on exercise balls. Weights may be used, typically held under the chin, to increase resistance. Increasing the distance will also increase the load on the abdominals due to leverage.

Differences between a crunch and a sit-up

Unlike the sit-up, when performing a crunch the lower back should not leave the floor. This is said to eliminate any involvement by the hip flexors, and make the crunch an effective isolation exercise for the abdominals. The difficulty of the crunch can be increased by lying on a declined bench and/or holding a weight on the chest or behind the head.

Types of crunches

Variants include:

  • The reverse crunch is a crunch done with the legs instead of the chest.
  • The dragon flag (created by Bruce Lee as simple "flag" and popularized by Sylvester Stallone in his movie Rocky IV), called "dragon" to one of Bruce Lee's nicknames, "little dragon". Begin lying horizontal on a bench. The arms are used to hold the underside of the bench to anchor the shoulders to it to prevent rolling forward. The rest of the body inferior to the scapulae is then pulled from the bench. Beginning with legs flexed, the legs can be extended slowly to increase the difficulty of the movement (and tension on the core muscles) due to moving the weight further from the levers. Throughout the movement the legs and hips are meant to remain locked while movement occurs in the abdominal region.[2]
  • The twisting crunch is performed by lifting one shoulder at a time. More emphasis is placed on the obliques.
  • The Thai crunch is performed by hitting the stomach after full contraction. This variation is used by Muay Thai fighters to condition the core to take hits from punches or knees.
  • The cable crunch is performed while kneeling upright by curling the body to pull down on a cable machine. The hips are kept motionless, so the bodyweight does not assist the movement.
  • The bicycle crunch is performed by bringing together alternating elbows and knees, resulting in a leg motion similar to pedaling a bicycle.

References

  1. ^ McGill, Stuart. Low Back Disorders: Evidence-based Prevention and Rehabilitation. Human Kinetics Publishers. ISBN 978-0736066921. 
  2. ^ "Greg Wolbert Doing Bruce Lee Sit Ups". Video. 2007.


External Links


Translations: Crunch
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Dansk (Danish)
v. tr. - mase, kvase, knase
v. intr. - knase, knirke
n. - knasen, afgørende begivenhed

idioms:

  • when it comes to the crunch    når det kommer til stykket

Nederlands (Dutch)
knarsen, knauwen op, (cijfers) verwerken, knarsend geluid, beslissend moment als puntje bij paaltje komt

Français (French)
v. tr. - croquer (pomme, biscuit), broyer (os) (animal), craquer (des noix), crisser, (Aut) faire craquer (les vitesses), (Comput) traiter (données)
v. intr. - crisser
n. - crissement, craquement, (Écon, Fin) crise

idioms:

  • when it comes to the crunch    au moment critique

Deutsch (German)
n. - Knirschen
v. - knirschen, knabbern

idioms:

  • when it comes to the crunch    wenn es brenzlig wird

Ελληνική (Greek)
n. - τραγάνισμα, τρίξιμο (δοντιών κ.λπ.), στρίγκλισμα (φρένων κ.λπ.), (καθομ.) κρίσιμη κατάσταση
v. - τραγανίζω, τρίζω, τσαλαπατώ

idioms:

  • when it comes to the crunch    την κρίσιμη στιγμή

Italiano (Italian)
sgranocchiare, scricchiolare

idioms:

  • when in comes to the crunch    quando si viene al dunque

Português (Portuguese)
n. - ruído (m)
v. - trincar, ranger

idioms:

  • when it comes to the crunch    na hora do aperto

Русский (Russian)
грызть, сжимать

idioms:

  • when it comes to the crunch    в критический момент

Español (Spanish)
v. tr. - crujir, masticar haciendo ruido
v. intr. - provocar crujidos
n. - crujido

idioms:

  • when it comes to the crunch    a la hora de la verdad, crucial

Svenska (Swedish)
n. - knaprande, penningavtappning, kris (vard.)
v. - knapra i sig, trampa på, knastra mot, knarra (om snö)

中文(简体)(Chinese (Simplified))
嘎吱作响地咬嚼, 嘎扎嘎扎地碾过, 嘎吱作响地咀嚼, 咬碎, 扎扎地踏, 咬碎声

idioms:

  • when it comes to the crunch    当关键时刻来到时

中文(繁體)(Chinese (Traditional))
v. tr. - 嘎吱作響地咬嚼, 嘎紮嘎紮地碾過
v. intr. - 嘎吱作響地咀嚼, 嘎紮嘎紮地碾過
n. - 咬碎, 紮紮地踏, 咬碎聲

idioms:

  • when it comes to the crunch    當關鍵時刻來到時

한국어 (Korean)
v. tr. - 우두둑 깨물다, 처리하다
v. intr. - 우두둑 깨물다, 처리하다
n. - 짓밟아 부숨, 결정적 위기, 요긴한 점

日本語 (Japanese)
n. - バリバリかみ砕く音, カリッ, 危機, 肝心な点
v. - バリバリかむ, ザクザク踏む

العربيه (Arabic)
‏(الاسم) صوت عضه شىء قوي, النقطه الحاسمه, المحك (فعل) مضغ بسوط عالي, عالج بيانات كثيرة بالكومبيوتر عند المحك‏

עברית (Hebrew)
v. tr. - ‮לעס, גרס, מעך‬
v. intr. - ‮לעס, גרס, חרק‬
n. - ‮קול חריקה, לעיסה, אירוע או רגע מכריע (מדוברת), חתיכה‬


 
 
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