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Related to clench: Clenbuterol, clencher
See: constrict
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Caption: An electric eel's high-voltage bursts take control of the nervous system of nearby prey and make muscles twitch and clench.
John Loach, parts and service training manager, IM Group, and IM Award winners Sekou Bamba, Annie-Mai Goode, Ashley Clench, Liam Stanners, Jamie Brook and Brandon Lowe from Grace Academy Solihull.
Mr Clench, of Wash Lane, Yardley, said: 'Thomas and I usually see Mr Rawlins every Friday night - he comes out to pay for his papers - and Thomas knew at once when the door was open that something was amiss.
A lot of the money that went to Clench from our land sale never left his pocket," said Kechego.
As you clench and release one last time your orgasmic contractions will start to kick in and because you've delayed it, your orgasm will go on and on.
The Sleep Foundation cites that 8% of Americans experience bruxism while sleeping which, in addition to grinding and tapping, can cause the jaw to clench and produce up to 250 pounds of pressure per square inch, enough to crack a walnut.
He said yesterday: "People who clench their teeth have a large build-up of these molecules in their bodies.
Nightguards can be particularly effective for those who grind or clench while they sleep.
Set up: With a 1- or 2-pound weight in each hand, lay flat on your back, clench fists and bring them together on your chest with the elbows open to the side.
Edinburgh's taxi drivers will be taught to clench their buttocks in a bid to improve fitness.
Researchers now have figured out what makes those teeth clench.
Because most teeth grinding and clenching occurs during the sleep cycle, many people are unaware they grind or clench.