| Tapotement along the muscle produces a series of similar local contractions although there is no apparent movement. |
| The diaphragm muscle specimens showed complete tetanic contractions in response to a train of electrical pulses at room temperature. |
| The combination of abdominal and back muscle contractions varies according to the position of the body relative to gravity. |
| Laxatives irritate the lining of the intestines, thus causing muscular contractions. |
| The first masticatory jaw motions involve irregular contractions of both the masseter and temporalis muscles. |
| They can be quite painful and because of the contractions, the muscle often becomes hard and appears to be bulging. |
