1. The Skeletal System Support Systems Unit 2 Support Systems Unit 2

2. The Basic Functions of the Skeletal System Hematopoiesis Structure Support Muscle Attachment and Movement Mineral Storage Hematopoiesis Structure Support Muscle Attachment and Movement Mineral Storage

3. Types of Bones Long Bones Examples: Humerus, Femur Short Bones Examples: Carpals and Tarsals Flat Bones Examples: Sternum, Ribs, Scapulas, Cranial bones Irregular Bones Examples: Facial bones, Vertebrae Wormian Bones (sutural) Sesamoid Bones Example: Patella Long Bones Examples: Humerus, Femur Short Bones Examples: Carpals and Tarsals Flat Bones Examples: Sternum, Ribs, Scapulas, Cranial bones Irregular Bones Examples: Facial bones, Vertebrae Wormian Bones (sutural) Sesamoid Bones Example: Patella

4. Bones of the Cranium Frontal Parietal Occipital Temporal Maxillae Mandible Frontal Parietal Occipital Temporal Maxillae Mandible

5. Frontal Bone Forms the forehead Forms the roof of the eye sockets Forms the forehead Forms the roof of the eye sockets

6. Parietal Bones Consists of two bones Forms the sides and roof of the cranial cavity Consists of two bones Forms the sides and roof of the cranial cavity

7. Temporal Bones Consists of two bones Forms the lower sides of the cranium and part of the cranial floor Consists of two bones Forms the lower sides of the cranium and part of the cranial floor

8. Occipital Bone The base of the cranial cavity Prominent posterior portion The base of the cranial cavity Prominent posterior portion

10. Maxillae The upper jaw

11. Mandible Lower jaw bone

13. The Vertebral Column Composed of 33 bones Encloses and protects the spinal cord Supports the head Composed of 33 bones Encloses and protects the spinal cord Supports the head

14. Bones of the Vertebral Column Cervical Vertebrae—7 bones located in the neck Thoracic Vertebrae—12 bones connected to the ribs Lumbar Vertebrae—5 bones in the lower back Sacral Vertebrae—5 pelvic bones Coccygeal Vertebrae—4 tailbones Cervical Vertebrae—7 bones located in the neck Thoracic Vertebrae—12 bones connected to the ribs Lumbar Vertebrae—5 bones in the lower back Sacral Vertebrae—5 pelvic bones Coccygeal Vertebrae—4 tailbones

16. Bones of the Thoracic Cavity Sternum Xiphoid Process Ribs Sternum Xiphoid Process Ribs

18. Bones of the Upper Extremities Humerus Radius Ulna Carpals Metacarpals Phalanges Scapula Clavicle Humerus Radius Ulna Carpals Metacarpals Phalanges Scapula Clavicle

20. Bones of the Pelvis Ilium Ischium Pubis Ilium Ischium Pubis

22. Bones of the Lower Extremities Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges

24. Joints The points of contact between bones –Hinge Joints –Gliding Joints –Ball and Socket Joints The points of contact between bones –Hinge Joints –Gliding Joints –Ball and Socket Joints

25. Hinge Joints Allows for extension and retraction of an appendage

26. Gliding Joints Bones slide past each other

27. Ball and Socket Joints Allows for rotational movement in almost any direction

28. Disease and Disorders Fractures Scoliosis Osteoarthritis Fractures Scoliosis Osteoarthritis

29. Fractures Types of fractures –Closed or simple fracture The bone is broken and the skin is intact –Open or compound fracture The bone is broken and the skin is cut by the bone Types of fractures –Closed or simple fracture The bone is broken and the skin is intact –Open or compound fracture The bone is broken and the skin is cut by the bone

31. Scoliosis Abnormal lateral curvature of the spine

32. Osteoarthritis Arthritis that is caused by the breakdown and loss of cartilage in the joints

33. Careers Radiologist Radiology Technician Chiropractor Physical Therapist Physical Therapy Assistant Physical Therapy Aide Radiologist Radiology Technician Chiropractor Physical Therapist Physical Therapy Assistant Physical Therapy Aide