10 Questions
Which term defines a large bump in skeletal anatomy?
Tuberosity
Which joint type is categorized as amphiarthrotic?
Cartilaginous
What portion of the skeleton includes the bones of the limbs?
Appendicular
What is the term for moving a body part downward?
Depression
Which of the following accurately describes a synarthrotic joint?
immovable
Which type of muscle has shorter fibers arranged obliquely to the central tendon?
Pennate muscle
What reflex mechanism involves coordination between agonist and antagonist muscles?
Reciprocal inhibition
Which condition is described by overuse leading to chronic strain and pain in tendons?
Tendinosis
What term describes the excessive development of an organ or part?
Hypertrophy
What is the result of cellular shrinkage leading to a decrease in size of tissue or organ?
Atrophy
Study Notes
Skeletal Anatomy
- A tuberosity is a large bump on a bone.
- A tubercle is a small bump on a bone.
Types of Joints
- Fibrous joints are synarthrotic, meaning they are immovable.
- Cartilaginous joints are amphiarthrotic, meaning they are slightly movable.
- Synovial joints are diarthrotic, meaning they are movable.
Divisions of the Skeleton
- The axial skeleton consists of the bones in the spine and skull, which form the central axis of the body.
- The appendicular skeleton consists of the bones of the limbs.
Anatomical Movements
- Depression refers to the downward movement of a bone or body part.
- Elevation refers to the upward movement of a bone or body part.
Muscle Characteristics
- Pennate muscles have shorter fibers that run in an oblique line to attach to the central tendon.
Muscle Coordination
- Reciprocal inhibition is a reflex mechanism that coordinates effort between agonist and antagonist muscles.
Tendon Injuries
- Tendonitis involves acute injuries with inflammation, edema, and pain.
- Tendonosis results from overuse, causing chronic strain and pain.
Tissue Changes
- Atrophy is a decrease in size of a tissue or organ due to cellular shrinkage.
- Hypertrophy is an excessive development of an organ or part.
Learn and identify key terms related to skeletal anatomy, including types of joints, skeletal structures, and movements.
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