| The first masticatory jaw motions involve irregular contractions of both the masseter and temporalis muscles. |
| The contractions were getting stronger and she shouted to me that the baby was on its way. |
| Tapotement along the muscle produces a series of similar local contractions although there is no apparent movement. |
| A baby is born, then there is a rest for a little while, then the contractions should start again. |
| They can be quite painful and because of the contractions, the muscle often becomes hard and appears to be bulging. |
| Cables, which maximize isolation, compromise power contractions through the mechanical advantage of their pulley system. |
