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9 EXERCISE POST-LAB QUESTIONS 9.1 Adult Human Skeleton 1. Match the following bones to their location in the body. Bone Location Radius a. Pectoral girdle b. Leg Coxal bone Ribs c. Axial skeleton d. Arm Scapula Fibula e. Pelvic girdle 2. Label this photo of a femur that has been sawed in half lengthwise with compact bone and spongy bone. marrow cavity 3. Identify the bones indicated in this photo (top of next page). 4. Label the fibrous capsule and synovial mem- brane of this joint (middle of next page). Support and Movement: Human Skeletal and Muscular Systems 9.2 Leverage and Movement 5. Define the following terms: (Photo by D. Norton.) a. The insertion of a skeletal muscle b. The origin of a skeletal muscle C. The action of a skeletal muscle 6. Explain the difference between isometric and isotonic contractions. How are both important to normal body movements? 7. Draw and label the structures of a typical skel- etal muscle organ. 9.3 Walking 8. In your own words, describe one step in the walking cycle.