The Skeletal System Flashcards
What is an Articulation?
Junctions of bones, muscles, and connective tissue at which movement occurs. Aka a joint.
Bones are __
are a resting ground for muscles and protection of vital organs
What does the Axial Skeleton consist of?
The Skull, Rib Cage, and Vertebral Column
What system is the Pevlic Gurdle apart of?
Both axial and appendicular.
What does the Appendicular skeleton consist of?
Upper and Lower Extremities, shoulder girdle
How many bones are in the skeletal system?
206 bones
How many bones are used in voluntary movement?
177 are used
How many joints are in the human body
Over 300 joints
Name all the types of Bones
Long Bones, Short Bones, Flat Bones, Irregular Bones, Sesamoid Bones
What are Sesamoid bones?
small, often round bones embedded in a joint capsule or found in locations where a tendon passes OVER the joint . Example: Patella
Describe the Vertebral Column
Irregularly shaped bones called vertebrae that house the spinal cord.
How many sections of the vertebral column are there and what are they?
5 sections.
- Cervical Vertebrae ( 7)
- Thoracic Vertebrae (12)
- Lumbar Vertebrae (5)
- Sacrum (4, fused together into single bone during adulthood)
- Coccyx or tailbone (3, fused together during adulthood)
Joint Motion is also referred to ___
arthrokinematics.
What are the 3 major motions of a joints motion
Roll, Slide, and Spin.
What is a Synovial Joint and how many are there?
Joints held together by a CAPSULE and ligaments and are most associated with movement in the body. There are 6q
