Flashcards in Biomechanical Standing Posture Analysis Deck (40):
1
having bones, capsules, and ligaments are inert so they are the most blank stability structures
energy efficient
2
most important postural muscle in leg
soleus
3
maintaining stability of the body in response to forces placed on it
postural control
4
postural control is both blank and blank
sensory, mechanical
5
postural control needs blank such as CNS, visual, vestibular, musculoskeletal
multi system contribution
6
two responses of postural control
reactive (compensatory), proactive (anticipatory)
7
task specific and vary with magnitude, velocity, and direction of force and initial posture of individual at time
postural strategies/synergies
8
grfv stands for
gravity reaction force vector
9
grfv and gravity =
line of gravity
10
point of application of grfv is at blank
center of pressure
11
line of gravity directly through joint axis causes blank torque
zero
12
if line of gravity is anterior to joint axis, the blank is anterior motion of the blank segment
moment, proximal
13
constantly changing blank postural sway
2 degree
14
plumbline represents blank
line of gravity
15
line of gravity of ankle is anterior to blank
lateral malleolus
16
the blank counteracts a dorsiflexion moment
soleus
17
a blank structure counteracts a moment
check rein
18
normal line of gravity of knee is blank to the axis
anterior
19
there is a blank moment at the knee normally
extension
20
the counteracting structure of extension of the knee in normal standing position is a flexion moment at the blank
posterior capsule
21
line of gravity is blank to the axis of the hip (greater trochanter)
posterior
22
gravity causes a blank moment at the pelvis
extension
23
what counteracts gravity at the pelvis
iliofemoral, pubofemoral, ischiofemoral
24
line of gravity is blank to axis of si joint
anterior
25
nutation is the same as blank but for si joint
flexion
26
there is a blank moment at the si joint
nutation
27
lumbar spine has a blank line of gravity normally
posterior
28
there is a slight blank moment at the lumbar spine
extension
29
lumbar spine extension moment is counteracted by blank
anterior longitudinal ligament
30
thoracic spine has a blank line of gravity normally
anterior
31
there is a blank moment at the thoracic spine
flexion
32
two counteracters of flexion of thoracic spine
posterior longitudinal ligament, ligamenta flava
33
cervical spine has a blank line of gravity normally
posterior
34
there is a blank moment at the cervical spine
extension
35
counteracter of flexion of cervical spine
ALL
36
oa and aa joints has a blank line of gravity normally
anterior
37
there is a blank moment at the oa and aa joint
flexion
38
counteracter of flexion of cervical spine
tectorial membrane
39
forward head (protrusion) creates increased blank of upper cervical and increased blank of lower cervical
lordosis (extension), kyphosis (flexion)
40