External Muscles of the Eye. The muscles of the eye are constantly moving to readjust the positions of the eye. ... Gluteus Maximus. The gluteus maximus is the largest muscle in the human body. ... Heart. The hardest working muscle is the heart. ... Masseter. ... Muscles of the Uterus. ... Soleus. ... Tongue.

The smooth muscle in the uterus helps a woman to push out her baby. In the bladder, smooth muscle helps to push out urine. Smooth muscle determines the flow of blood in the arteries. Smooth muscles move food through the digestive tract.

Estimating Muscle Mass. When determining muscle mass, you want to know how much skeletal muscle you have, and this includes those muscles you're working out at the gym. According to Heymsfield, 30 to 40 percent of a healthy person's body mass is made up of skeletal muscle.

When determining muscle mass, you want to know how much skeletal muscle you have, and this includes those muscles you're working out at the gym. According to Heymsfield, 30 to 40 percent of a healthy person's body mass is made up of skeletal muscle.

The Stapedius, is a tiny muscle less than 2 millimeters long, located in the middle ear. Its function is to control the movement or vibration of the smallest bone in the body, the stapes or stirrup bone.

sartorius muscle The sartorius muscle (/sɑːrˈtɔːriəs/) is the longest muscle in the human body. It is a long, thin, superficial muscle that runs down the length of the thigh in the anterior compartment.

So here are the top five strongest muscles in the body based on these different ways to measure strength: Heart. The heart, which consists of cardiac muscle, is said to be the hardest working muscle in the body. ... Masseter. ... Soleus. ... Gluteus Maximus. ... Uterus.

The strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars. The uterus sits in the lower pelvic region.