Vomiting tends to make the body tense up. The hand muscles might contract as a result of this tensing. Also, vomiting can cause dehydration which can make muscles contract.
When you yawn, your facial muscles get scrunched up, and that forces some tears out.
muscles contract when you tell them to...
Muscles contract and relax to move a joint. ... Muscles contract at a constant rate. Muscles contract and relax to move a joint.
your biceps are the muscles that move your lower arm and hand up. You usually have two or more muscles for each bone. These muscles work together for instance the biceps and triceps. When your biceps contract, your arm bends up. when your bicep relaxes and your triceps contract, your hand lowers again, you can try it on a table. Lay your arm flat then raise your arm from the hand to your elbow, when you lift and let it down, you will se your muscles bulge. Notice though that the muscles does not contract the other way or stretch. it relaxes.
Why do muscles contract while exercising
The intercostal muscles, (muscles between the ribs), contract.
it takes about 12 musceles to yawn and 80 musceles to laugh at you if you took this answer from this answer jkjkjkjkjk
When muscles contract, they shorten. In the case of skeletal muscles, this moves bones.
muscles contract and relax by bring about movements.
Muscles can contract and shorten
When muscles contract, they become shorter.
If the papillary muscles fail to contract the valves will prolapse. The papillary muscles are located in the ventricles and contract to prevent prolapse.
intercostal muscles contract and the diaphragm relaxes.
Muscles contract to help move food through the digestive system
The segments elongate when the circular muscles contract.
When muscles contract they cause joints to bend.
Yes, the heart is made of muscles, however, these muscles do not all contract at one time. They contract in synchrony and when they contract they squeeze the chamber they surround such are the atria or ventricle and blood is pushed out of the chamber.
Yes, the trapezius muscles do contract.
Smooth Muscles can, but Cardiac Muscles can not.
Yes, without the nerves the muscles would be rendered useless. The muscles MUST have stimulation from somehwere in order to contract.