â¢ In grade 4 mathematics, seven of the 50 states included in the analysis set standards for proficiency (as measured on the NAEP scale) that were lower than the Basic performance on NAEP, 42 were in the NAEP Basic range, and one in the Proficient range. In grade 8 mathematics, 12 of 49 states included in the analysis
noun, plural: skeletal muscles. A voluntary, striated (vertebrate) muscle that is associated with the skeleton, and thus move parts of the skeletal system. Supplement. The muscular system of the vertebrates is comprised of various muscles.
Skeletal muscle tissue is a voluntary type of muscle tissue that is used in the contraction of skeletal â¦ parts. It is striated (alternating with light and dark bands, called striations) and is attached to bones. A single skeletal muscle fiber is very long and has many nuclei, located at the periphery of the cell.