5. What is biomechanics?
Bio MechanicMechanic
- The term biomechanics combines the prefix bio, meaning “life,”
with
the field of mechanics, which is the study of the actions of forces.
-In biomechanics we analyze the mechanical aspects of living
organisms.
6. - It is the study of the mechanics as it relates to the
functional and anatomical analysis of the human body.
- Statics: involves all forces acting on the body being in
balance, resulting in the body being in equilibrium.
-Dynamics: involves the study of systems in motion
while unbalanced due to unequal forces acting on the
body.
7. v Mechanics :
- Dynamics-moving systems
1. Kinetics-
- Examines the forces acting on the body
during movement and the motion with respect
to time and forces
2. Kinematics-
- A branch of biomechanics that describes the
motion of a body without regard to the forces
that produce the motion
21. Torque
- The strength of rotation produced by a
force couple is known as torque.
- The internal and external forces acting at
a joint
- The rotational equivalent of force
-Torque(τ ) = (MA) x (F)
24. Work, Energy, and Power
- Work is defined as the force required to move an object a
certain distance (work = force x distance)
- The standard unit of work in the metric system is a joule(J;
newton x meter).
- Power is defined as the rate of work is being done
(power = work/time).
- The standard unit of power is a watt (W; watt=newton
meter/second).
31. Osteokinematics
-To define joint and segment motions and to record the
location in space of specific points on the body, a reference
point is require.
-The three dimensional rectangular coordinate system is used
to describe anatomic relationship of the body.
-The origin of the x-axis, y-axis, and z-axis of the coordinate
system is traditionally located at the center of mass (CoM) of
the body.