Download Muscles

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
Muscles
Chapter 10
Fasicle
arrangement
Physics of levers
Torque
Torque = Force x Lever length
or

l
A human example
There are 3 types of lever
systems
1. First Class - fulcrum between load and
effort
2. Second Class - load is between fulcrum
and effort
3. Third Class - effort is between load and
fulcrum
First Class Lever Systems
The classic “see-saw” or teeter totter of your youth
Second Class Lever Systems
Third Class Lever Systems
Most muscle/joint systems fall into this catagory
Muscles:
anterior
Muscles:
posterior
Muscles of
the Hip &
Thigh
(anterior view)
The
Adductor
brevis
The
Gluteus
minimus
The erector spinae
Erector spinae
Up next …
Nervous System Histology
Related documents