CROSSFIT L3/CCFT STUDY GUIDE EXAM QUESTIONS AND ANSWERS

CROSSFIT L3/CCFT STUDY GUIDE EXAM QUESTIONS AND ANSWERS Bone Marrow Periosteum - Answer-A soft yet tough outer membrane over the bone's entire surface. Compact bone - Answer-AKA Cortical bone. The hard rigid layer that gives the bone its shape and structure. Cancellous bone - Answer-AKA Spongy bone The soft inner layer which provides the elastic strength of the bone. Bone Marrow - Answer-The soft innermost layer which is responsible for the production of red blood cells and platelets, which are important for blood clotting. 5 types of bones that make up the human skeleton - Answer-Long Bones, e.g., the humerus Short Bones, e.g., the carpals Irregular Bones, e.g., the spine Flat Bones, e.g., the scapula Sesamoid Bones, e.g., the patella or knee cap Long bones - Answer-- Have a body that is longer than is wide - Primarily found in the extremities and are the bones which create the major levers involved in human movement. - E.g., femur and humerus, metacarpals - Includes the small ones of the hand and foot Short bones - Answer-- As wide as they are long - Found in the carpals of the wrist, and the tarsals of the foot They serve a greater role in support and stability as opposed to movement. Irregular bones - Answer-Bones that do not fit into any other category. Their odd shape serves to provide multiple points of attachment for muscles, tendons, and ligaments. The sacrum is one example of an irregular bone. Also serve a role in protecting vital structures, such as the vertebrae protecting the spinal cord. Flat bones - Answer-Relatively thin, flat plates of bone that protect vital organs such as the skull, ribs, and pelvis. The scapula is also a flat bone that acts as a major site of muscular attachment. Flat Bones serve as the primary production centers for red blood cells in adults. Sesamoid bones - Answer-Short or irregular bones that are embedded with a tendon.