Muscle words scrambled. This is a multi-word scrambled letters printable puzzle about the musculo-skeletal system. Puzzles engage students' brain and enhance vocabulary building skills. Students activate problem solving strategies to complete the puzzle. Musculo-skeletal words puzzle to print suitable for homeschooling and students in late elementary grade 5,6 classrooms and as a refresher to students in middle grades 7,8,9 classrooms. Extension activities might include: putting the words in reverse alphabetical order, creating a 2D diagram of the human body showing the components of the body's structural system.