The human muscular system
muscles chart: helpful to let me see which muscles are hurting when I workout & how to fix it
various worksheets on human body
human body resources - skeletal videos, projects and lessons
Make a robot hand while studying the Muscular System. http://www.teacherspayteachers.com/Product/Project-Based-Learning-Human-Body-Systems-1493108
DIY hand that moves when you pull the "tendons." Cool for teaching simple machines in the body!
This Youtube channel is great! It has crash courses in Biology and World history that are enteraining and extremely informative.
The Human Muscular System
The Muscular System Poster
Muscular System - Picture of Human Arm Model