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Mosby A&P Chptr 10
Biomechanics Basics
| Question | Answer |
|---|---|
| This causes change and is the push or pull on an object in an attempt to affect motion or shape. | Force |
| The amount of force on a specific area | Pressure |
| The reluctance of matter to change it's state of motion. | Inertia |
| The study of movement that emerges and blends the knowledge of anatomy, physiology, physics and geometry and relates them to human movement. | Kinesiology |
| The forces causes movement | Kinetics |
| The time, space, and mass aspects of a moving system. | Kinematics |
| The midpoint or center, of the weight of a body or object. | Center of Gravity |
| The rate of change in speed | Acceleration |
| A force applied to a lever to overcome resistance | Effort |
| A rigid bar or mass that rotates around a fixed point called an axis of rotation or fulcrum. | Lever |
| The ability to control equilibrium. The two types are static and dynamic. | Balance |
| All forces acting on an object are equal. The two types are static and dynamic. | Equilibrium |
| When a body is at rest or completely motionless is this static or dynamic? | Static |
| When all of the applied and internal forces acting on the moving body are in balance, resulting in movement with no change in speed or direction, is this static or dynamic? | Dynamic |
| When the entire vertebral column is concave anteriorly it is called... | Primary curve |
| An increase in posture depends on muscle contractions and fascial support to remain upright in gravity. The muscles most involved are called... | Antigravity Muscles |
| The rhythmic and alternating movement of the legs along with the truck and the arms which results in the propulsion of the body mass. | Gait |
| The period during which a complete sequence of events takes place during walking and is subdivided into the stance and swing phase. | Gait Cycle |
| a period during walking when both feet are in contact with the floor. | Double Stance |
| An integrated functional unit made up of the myofascial system (muscle, ligament, tendon & fascia), articular (Joint) system, and nervous system and all work independently to allow structural and functional efficiency in all three planes of motion. | Kinetic Chain |
| The generation of the appropriate muscle functions of acceleration, deceleration or stability by the CNS. | Activation Sequence |
| What is the general firing pattern sequence? | 1. Prime Mover 2. Stabilzer 3. Synergist |
| The reversible limitation of range of movement that occurs because of change in connective tissue after long-term muscle spams | Functional Block |
| Increased Lumbar curve | Lordosis |
| Lateral spinal curve | Scoliosis |
Created by:
CEckhoff
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