Running Lecture Flashcards
What is the #1 cause of injury
previous history of injury
Do we care more about symmetry or efficiency for each individual
effeciency
What are the task related determinants for running
- shock absorption
- adequate pelvic/trunk alignment and stability
- adequate limb alignment and stability
- adequate foot alignment and stability
What are the phases for running
right heel strike
midstance
toe off
double limb unsupported
left heel strike
mid stance
double limb unsupported
right heel strike
stance phase is what percent of running cycle
40%
swing phase is what percent of running cycle
30%
float is what percent of running cycle
15% x2
Where is the joint
kinematics
what forces are the body under
kinetics
Does the big toe matter?
yes we need about 30 degrees of extension for running form
Impact peak is what and how much magnitude
1.5 times body weight immediate compression at 5% of running cycle
When does impact peak increase
with downhill running
Can impact peak change and what are we focused on for the graph
yes it can change we are worried about the slope (Rate) of the ground force reaction
what is active peak and its magnitude and does it change much
2.5 times body weight and doesn’t change much
When you are running and your foot first hits the ground what is the anterior to posterior GFR
breaking impulse posterior
When you start to go into swing phase where is the anterior to posterior GFR
anterior propulsive impuse
medial to lateral GFR is the most ______
variable
What does internal torque mean?
result of the muscles generated forces responding to gravity
What is the area under a power curve
mechanical work
What is positive work
concentric
What is negative work
eccentric
What is the path of center of pressure
runners strike from posterior lateral to anterior medial
When you are analyzing running gait what should you start with
side view
What 7 can you observe from side view
foot strike pattern
tibial angle
knee flexion during stance
hip extension late stance
trunk lean
overstride
vertical displacement
what are the different types of foot strike
- forefoot
- rearfoot
- midfoot
most runners use what time of foot strike? does it change with barefoot runners
mostly rearfoot
change to forefoot when running barefoot
The closer the foot is to the body the _____ the foot inclination angle
smaller
Depending on how long the stride is you can have 3 different ______ angles
tibial angles
extended vertical flexed
We absorb _____ forces when the knee is bent during stance
more
why might someone have decreased hip extension in late stance
- decreased hip flexibility
- decreased lumbar extension
- decreased hip rom
- decreased movement coordination
If an individual has an upright posture during running they most likely have increased ________ joint stress
patellofemoral
If an individual has increased vertical displacement they will have ______ GFR
increased stress
When do you want peak hip flexion
during midswing
From the posterior view you can evaluate
- step width
- heel eversion
- foot progression angle
- heel whip
- knee window
- pelvic drop
which is more common medial or lateral heel whip
medial
knee window can tell you about
knee valgus/ varus
Pelvic drip can tell you about
hip abductions strength
Arms are in response of what
the LE is doing
Patellofemoral pain syndrome is common with
overstride
upright trunk
ITB syndrome is common with
narrow stance
Medial tibial stress syndrome is common with
high vertical force
overstride
Is the prescription of shoe type evidence based?
no
What should we worry about when it comes to shoe prescriptions
comfort
promote the preferred movement path
During toe off do we supinate or pronate
supinate
