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Chapter 3
Musculoskeletal System
| Question | Answer |
|---|---|
| Three combining forms for muscle are | muscul/o, my/o and myos |
| Two combining forms for vertebrae are | Vertebr/o and Spondyl/o |
| Spine that is bent forward | Lordosis |
| Spine with a hump | Kyphosis |
| Combining form referring to a digit (finger or toe) | Dactyl/o |
| Combining form meaning crooked or stiff | Ankyl/o |
| Combining form for smooth and striated muscle fibers | Lei/o and Rhabd/o |
| Bones of the shoulder girdle, pelvis, and limbs | Appendicular skeleton |
| Alternative term for spongy bone | Cancellous bone, mesh like bone tissue found in the interior of bones and surrounding the medullary cavity |
| Define Flat bones | thin, flat bones of the ribs, shoulder blades (scapulae), pelvis and skull |
| Define Short bones | Square-shaped bones of the wrists and ankles |
| Round bones found near joints | Sesamoid bones |
| Meaning of metaphysis | Growth zone between the epiphysis and the diaphysis during development of a long bone |
| Meaning of epiphysis | wide end of a long bone |
| Articulation | the point where two bones come together, also known as a joint |
| Bursa | a fibrous sac between certain tendons and bones that is lined with a synovial membrane that secretes synovial fluid. |
| Origin of a muscle | muscle end attached to the bone that does not move when the muscle contracts |
| Describe the different planes of the anatomical position | Frontal plane: vertical line separating the anterior of the body from the posterior; Sagittal plane, vertical division of the body into left and right; and Transverse plane, horizontal division of the body into upper and lower portions. |
| Decubitus | lying down, especially in a bed |
| Prone | lying face down and flat |
| Supine | horizontal recumbent; lying flat on the back |
| Proximal | Area closest to the origin or attachment |
| Axis | An imaginary line that runs through the center of the body |
| Differentiate the difference between prone and supine | Prone, lying face down and flat Supine, lying on the back and flat while face up |
| Prefix for -ab | move away from; abduction |
| Prefix for -ad | move towards; adduction |
| List the different types of fractures | Closed fracture, broken bone with No open wound Open fracture, compound fracture; broken bone with Open wound Complex fracture, displaced fracture that requires manipulation or surgery to replace Greenstick fracture, bending and incomplete break |
| Different types of fractures (cont'd) | Comminuted fracture, bone is shattered into many small pieces Spiral fracture, bone break with a helical fracture line Transverse fracture, bone break with the fracture line forming a right angle with the longitudinal axis of the bone |
| Most common type of muscular dystrophy | Duchenne type |
| Causes bone deformity in children | Rickets |
| Abbreviation for fracture | Fx |