Biomechanics
7/29/99
All multiple choice questions—50
Spine
- Disc—shape,
size, vascular supply, front and back, weakest points, bulges, make-up
- Vertebrae
body
- Facets—what
there for, pain patterns, anatomy, what changes as we go
- Posture—curves
of the spine—anatomy shapes
- Pain
syndromes—LBP, etc
Shoulder/hip
- Ball-n-socket
joints—advantages and disadvantages
- Shoulders—unstable,
ROM
- Hip
angles—femoral shaft angle--125° +/-5, femur neck angle at
birth way back and moves forward 12-15 backwards in adulthood (not seen in
AP view
Knee
- ACL,
PCL
- Meniscus—cushion
and stabilize
- Collaterals
- Arthritis—high
stress, susceptibility to injury
- Soccer
involves twisting
- Football
is contact sport
- Bad to
bend more than 90°--patella turns and have
less surface area to distribute the stress
Ankle
- Stable
joint—talus and tibia, strong ligament and capsule
- Injured
a lot
- Closed
pack position—dorsiflexion (everything else is unstable)
- Injury
in this position will break bone
- Open
pack position—everywhere else
Foot
Gait