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Mosby A&P Chptr 10

Biomechanics Basics

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