Skeletal System Obj: I will correctly label a blank skeleton diagram and examine the bones of the body

Assignment Quiz What medical profession helps people with disabilities or injury regain their independence? What medical profession gives nutritional advice to athletes? What medical profession emphasizes on the diagnosis, treatment, and prevention of disorders of the spine? This professional often realigns and adjusts a person’s spine. What medical profession assesses, motivates and designs exercise programs for people? What medical profession examines and treats patients under the supervision of a physician? Who are the five main individuals involved in the Athlete’s Circle of care? What are 2 responsibilities of an Athletic Trainer? What are two employment setting for an Athletic Trainer? Does a certified Athletic Trainer need a college degree? Are you interested in being CPR certified?

Draw a human skeleton labeling as the bones in the body Journal Write Draw a human skeleton labeling as the bones in the body

Bones Living tissue (hard form of connective tissue) Chief supporting tissue of body Provide: PROTECTION for vital structures SUPPORT for body Mechanical basis for MOVEMENT STOREHOUSE for minerals Continuous supply of new blood cells (PRODUCTION) Minerals: calcium and phosphorus which can be supplied to other parts off body; when mineral present in excess in blood, buildup will occur within the bones; when supply low, they will be withdrawn from bones to replenish supply Blood cells: average of 2.6 million RBC produced eache second by bone marrow; these celss are used to replace worn out and destroyed by liver

Skeleton System The skeletal system is broken into 2 categories Axial Skull Ribs Sternum Vertebral column Appendicular Upper extremity Lower extremity

Cranium Purpose: protect the brain Made up 0f 22 bones 8 bones fused together make the cranium Frontal Parietal Temporal Occipital 14 bones make up the face Mandible Maxilla Zygomatic Nasal bones Only joint that moves in the skull is the temporomandibular joint mandible forms a hinge with temporal bone

Ribs Purpose: protect the heart and lungs There are 12 pairs of ribs Sternum Also called the “breastbone” Xiphoid process landmark for CPR

Vertebral Column Spinal Column or vertebral column stretches from the base of skull to coccyx Composed of bones called vertebrae Intervertebral disks separate the body of each vertebrae

Sections of the Vertebral Column There are 5 sections to the vertebral column 7 Cervical vertebrae Smallest vertebra 12 Thoracic vertebrae Articulate with the ribs 5 Lumbar vertebrae Supports most of the body’s weight Sacrum Composed of 5 fused vertebrae Coccyx Composed 4 fused bones Also called the “tail bone”

Shoulder Girdle Consists of 2 bones Scapula Clavicle Also called the shoulder blade Free floating bone between ribs 2 & 7 posteriorly Clavicle Also called the collar bone

Arm Humerus Forearm (2 bones) Long bone located in the upper arm Radius Lateral long bone in the forearm Ulna Medial long bone in the forearm

Hand There are 27 bones that make up the hand Carpals Metacarpals 8 small bones that make up the wrist Metacarpals 5 long bones that make up the palm Phalanges 14 bones that make up the fingers Also called digits Each finger has 3 bones Each thumb has 2

Pelvic Girdle/Pelvis Consists of 3 bones Attaches lower limb to axial skeleton Transmits weight of upper body to lower limb 3 main bones Ilium Largest part of pelvic girdle Ischium Located posteriorly Called “sit bones” Pubis Located anteriorly Come together to form pelvis

Leg Consists of 4 bones Femur Patella Tibia Fibula Longest and strongest bone in the body Built for stability, not flexibility Patella Also called knee cap Tibia Long bone on the medial aspect of leg 90% weight bearing Fibula Long bone on the lateral aspect of leg 10% weight bearing

Foot Consists of 26 bones Tarsals Metatarsals Phalanges Calcaneus 7 bones that make up the ankle Metatarsals 5 long bones of the foot Phalanges 14 bones that make up the toes Each toe contains 3 Each big toe contains 2 Calcaneus Heel bone

Partner Assignment Using chalk/marker, outline your partners body. Either individually or as a team, label the bones of the body.

Bring in a printed outline of your favorite cartoon character Homework Bring in a printed outline of your favorite cartoon character