stability
can be increased by widening the base of support.
How can you increase the stability of an object?
An object will reach its tipping point and fall over when the center of gravity passes past the base of the object as it is being tilted. You can increase the stability of an object by
lowering its center of gravity or increasing the width of its base
.
What does widening your base of support do?
The larger the base of support the more stable the person/athlete is able to be. When an athlete is anticipating contact from an external player, they will natrually widen their base of support
IN THE DIRECTION OF FORCE
(or impeding force). … Smaller BOS allows the athlete to accelerate faster and be more mobile.
Why is base of support important in tennis?
The purpose of the preparation phase in a tennis serve is to provide a
stable platform for
the skill to be performed on. An object is most stable when the line of gravity falls through the centre of the base of support. … Moving the line of gravity towards the edge of the base of support reduces a body’s stability.
How does the base of support and Centre of gravity impact stability on the beam?
The lower the CoM to the base of support
, the greater the stability. Less stable More stable Page 20 Principle of Stability #2 The wider the base of support, the greater the stability. The nearer the CoM is over the center of the base of support, the greater the stability.
What is the body’s base of support?
The base of support (BOS) refers to
the area beneath an object or person that includes every point of contact that the object or person makes with the supporting surface
. These points of contact may be body parts e.g. feet or hands, or they may include things like crutches or the chair a person is sitting in.
What is the normal base of support?
If you compare the two pictures, you’ll see that in a normal stance your base of support is
about 12-15 inches wide
, while in a narrow stance your base of support is only 6-8 inches wide. You can feel the difference this makes if you ask a friend to give you a gentle push while you try out each stance.
What are the three types of stability?
There are three types of equilibrium:
stable, unstable, and neutral
.
What factors contribute to making a structure stable?
It is more difficult to make a structure with a wide base topple over so,
the wider the base therefore
, the more stable the structure. The shape and the material used to built a structure determine its resistance. Resistance is the capacity of a structure to bear the tensions that it is subjected to without breaking.
What two factors will make an object stable?
- The base width of the object.
- The center of gravity.
What causes narrow base of support?
Diagram A: Person standing with arms at sides, legs together. This puts
the centre of gravity at the waist
, the line of gravity down the centre of the body, and provides a narrow base of support.
Why does your center of mass have to be over your base of support?
With the centre of mass directly over the base of support,
the weight will be felt back in the middle of the foot
. Doing heavy two armed or barbell front raises is not recommended because the load you are lifting in front of you will increase and often move your centre of mass outside of the base of support.
What is gravity line?
The line of gravity is
an imaginary vertical line from the centre of gravity to the ground or surface the object or person is on
. It is the direction that gravity is acting upon the person or object.
What are the principles of stability?
Stability principles give
athletes rules about holding positions and staying on balance when running
. They guide training for improving firmness of positions both for static balance and dynamic balance.
How can you keep your body’s center of gravity directly over your base of support?
Standing away from the wall, your
lower body shifts backward as your upper body moves forward and down
. With this compensatory backward shift, your center of gravity can be maintained over your base. Ankle extension (plantar flexion) occurs.
What affects balance and stability?
Effective control of balance depends on the interaction of many factors including
integration of visual, vestibular, and proprioceptive information
concerning body position, appropriate biomechanical alignment, sufficient muscle strength, and quick, coordinated muscle activation patterns.
