Skeletal Muscle Fibers Can Be Grouped into Two Basic Types

Multiple Choice

Skeletal muscle fibers can be grouped into two basic types. These are known as

A) extrafusal and intrafusal muscle fibers.
B) α and γ motoneurons.
C) slow-twitch and fast-twitch muscle fibers.
D) myotatic and spinal muscle fibers.
E) striated and unstriated muscle fibers.