Biomechanics Flashcards
Who was the first true biomechanist?
Leonardo da Vinci
Who suggested bones are hollow allowing maximal strength with minimal weight?
Galileo Galilei
Who determined the position of center of gravity and inspired and expired air volumes?
Giovanni Alfonso Borelli
Who applied principles of mechanics to human afflictions?
A.T. Still
What is the moment arm?
Distance from center of joint to where contracting muscle is attached
What is the moment?
Force being applied + moment arm
What is the definition of strain?
Magnitude of the force applied
What is kinetics?
Forces associated with the motion of a body
What is kinematics?
Description of motion including time, displacement, velocity, acceleration, and space
Stability is the resistance to a…
1) Change in body’s acceleration
2) Disturbance of body’s equilibrium
What is Wolff’s Law?
Bone is increased where needed and reabsorbed where it is not needed
Matching:
A) Anterior pelvic tilt
B) Posterior pelvic tilt
C) Forward shifted pelvis
1) Flat back
2) Sway back
3) Lordotic back
A-3
B-1
C-2