Name of the muscle is Trapezius.
muscle tone
Musle
Skeletal muscle is most often controlled by conscious thought.
Most of the myocardium is composed of cardiac myocytes.
The sartorius muscle is considered the longest muscle in the human body. It runs from the hip to the inner side of the knee. The gracilis muscle, located in the inner thigh, is one of the most slender muscles in the body.
chest and shoulders.
Hip flexors, quads, triceps, shoulders, pectoralis minor (upper chest), hamstrings, calves, traps.The bold muscles are the most important to remember when training.
The most important muscle in your body is your heart. Everyone should know that.
diaphram
the diaphragm is the muscle(s) that are most important muscle used in inspiration (inhalation)?
Your heart is by far the most important muscle in your body without it none of the others would work.
Diaphragm
Most of the chest and shoulders muscles are multipennante muscles, meaning that the muscle fibers are aligned in several different directions.
The heart is the most important muscle because it has to pump blood constantly thru out the body
hamstrings
muscle tone
If you mean what muscles swimmers use most, they are the abs, lats, triceps and shoulders. Basically the core muscles.Whilest swimmers use a vast majority of muscles, the commonly termed "swimmers muscle" is the Latissimus Dorsi.