Ch 8 skeleton system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Freely moveable joints | Hinge, ball& socket, pivot, gliding, saddle, condyloma
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Acromion & Coracoid Proces | Serves as an attachment point on the scapula for ligaments & muscles
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Cervical curvature | Develops 3-4 months after birth
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Ribs | True, floating, and false
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Lumbar curvature | Develops at 1year of age
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Moving synovial joints | Ball & Socket
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Dorsiflexion | Opposite of plantar flexion
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Supination | Hands facing upward
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Meduallary cavity | Lined with endosteum
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Sacrum | Fused vertebrae that forms the pelvis
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Epiphyseal disc | Growth plate; site of longitudinal bone growth
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Epiphysis | Found at the ends of long bones and covered by articular cartilage
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Types of Ossification | Intramembranous and endochondral
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Types of joints | Immovable. Slightly moveable. Freely or synovial
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Plantar flexion | Toe dancing; bending of foot down
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Osteoclasts | Bone destroying cells
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Fontanels | Soft spots on babies head.
Swelling indicates traumatic injury
Indentation or sunken in indicates dehydration
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"water on the brain" Hydro cephalus | Excessive fluid accumulated with in the brain of an infant. The bones are forced apart and the skull enlarge
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Sutures in the skull | A joint connects the bones of the skull
No significant movement occurs
Coronal~Lamboidal~ and squamosa sutures
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Bursa | aka bursitis or Tennis elbow. Small sacs of synovial fluid between joints & tendons that Cross over the joint
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Diaphysis | Long shaft bone. Considered to have great strength
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Calcaneus | Heel bone
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Sternum | Aka breast bone. Consist of 3 parts including manubrium,
Body
Xiphoid process
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Veretebral column | Forms a supporting structure for the head of the Thorax
Attachment to the pelvic girdle
Protects the spinal cord
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Sternum | Manubrium, body, and xiphoid process
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Occipital | Contains the foramen magnum
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Articulation | Found on the outer surfaces of the epiphysis
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Periosteum | Tough outer surface of the Bone
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Long bones | Found in the arms, forearms, palms,fingers, thigh, legs, and instep
Metacarpals and phalanges
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Short Bones | Cube like shaped and found primarily in the ankles and wrist
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Flat bones | Thin, flat, and curved
Found in the ribs, breast bone, cranium,
They make up most of the shoulder girdle
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Irregular bones | Found in the hips, vertebrae and various bones in the skull
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Occipital |
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Synovial | Membrane that lines the insides of the free moving joints
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Midclaviclular lines | Apic pulse (CPR)
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Axis | C2. Aka dense. Help your head move side to side (saying no motion) goes through the base of the brain.
Main cause of SIDS. injury to the spinal cord
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Atlas | C1. Sits on top of first and second cervical vertebrae. Has no body
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Lordosis | Exaggerated lumbar curvature. Aka swayback
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C- Shape | Curvature of the spine in an infant bending away from the front of the body
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Scoliosis | Lateral curvature of the thoracic vertebrae. Can compress abdominal organs causing difficulty breathing
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Kyphosis | An exaggerated thoracic curvature. Aka hunchback
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Created by:
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