Images 05. Muscular System These are images used in the video lecture and study guide. Figure 5-1. Skeletal and facial muscles, anterior view. Figure 5-2. Skeletal and facial muscles, posterior view. Figure 5-3. Types of lever systems. Figure 5-4. A simple pulley (the human knee mechanism). Figure 5-5. The skeleto-muscular unit (arm-forearm flexion (3rd class lever system)). Label the drawings below according to class of lever. Figure 1-1. Metatarsophalangeal joint of great toe. Figure 1-2. Carpal tunnel syndrome. Figure 2-1. Side view of the right foot. Figure 2-3. Front view of superficial muscles that move the foot and toes. Figure 2-4. Front view of superficial muscles that move the foot and toes. Figure 2-5. Top side view of superfacial muscles that move foot/toes. Figure 2-6. Back view of superficial muscles that move the foot and toes. Figure 2-7. Back vie of deep muscles that move the foot and toes. Figure 2-8. Calcaneal spur syndrome. Figure 2-9. Pes planus (flatfoot). Figure 2-10. Corn. Figure 2-11. Ingrown toenail. Figure 2-12. Plantar wart. Figure 2-13. Hallux valgus (bunion). Figure 2-14. Pes cavus (clawfoot).