A deltoid muscle is the muscle that forms the rounded part of the shoulder.
smooth muscle
A Fast Oxidative Fiber is a type of muscle fiber with many mitochondria and capillaries. This type has a high myoglobin content. This type of muscle tires more quickly than the slow oxidative fibers and is an intermediate sized muscle. This muscle is good for sprinting and other short, fast-paced activities.
Cardiac (heart)
smooth
all or none
type 2a type 2a
muscle spindles
The nutrient that is not digested but stimulates intestinal muscle contractions is fiber. Fiber is a type of carbohydrate that may be soluble or insoluble.
the shoulder is the fulcrum and the load is the rest of the arm. the deltoid muscle is lifting the load away from the body from a point closer to the fulcrum, so it is a class 3 lever.
type 1 slow twitch fibres
Endurance type activities
fast twitch muscle fiber