balance Flashcards
1
Q
describe balance
A
keeping yourself upright and stable
2
Q
what is static balance
A
maintaining upright posture while being still
3
Q
what is dynamic balance
A
maintaing upright posture while moving
4
Q
3 reasons why is balance important
A
- allows body to maintain alignment
- permits efficient movement patterns
- allows joints to be loaded symmetrically
5
Q
define COM
A
center of mass
- balance point of the body
- index of total body motion
6
Q
define CoG
A
Center of gravity
- vertical projection of the CoM on the ground
7
Q
define CoP
A
Center of pressure
- the location of the average vertical ground reaction force vector
8
Q
define base of support
A
compromised of the outermost edge of points of contact with the ground
9
Q
define sway
A
AP and ML sway are things we naturally do to stand
10
Q
strategies to maintain balance
A
- ankle: used when perturbation is slow and low amplitude
- hip: used when perturbation is fast or large amplitude
- stepping: used to prevent fall, when perturbation are fast or large
- suspensory: forward bend of trunk, progress to squatting position; lowered COG
11
Q
identify methods to increase stability
A
- Base of support
- Vertical displacement of the CoM
- location of CoG relative to BoS
- use canes, crutches and walkers
