ORIGIN, INSERTION, LEVERS

16 flashcardsby Kennu
Study these flashcardsFree · spaced repetition · iPhone, Android, Mac & web

All cards

1
skeletal muscel create movements by ________
pulling on tendons
2
this the tendon attachment to the stationary bone; usually proximal
  • origin
  • insertion
3
the tendon attachment to the movable bone; usually distal
  • origin
  • insertion
4
this the fleshy, middle portion of the muscle between the origin and insertion
belly
5
this happens when the usual origin and insertion swap roles
reverse muscle action
6
what happens when the muscle crosses 2 joints?
more complex actions
7
this is the rigid structure in the lever system
  • lever
  • effort
8
this is the fixed point of the lever system
  • load
  • fulcrum
9
this is the resistance in the lever system
  • load
  • effort
10
this is the force applied that causes the muscle to contract?
  • effort
  • load
11
what are the types in the lever system?
1st class, 2nd class, 3rd class
12
a type of lever when the F is in the middle and the E,L is on each side
1st class lever
13
a type of lever when the load is between the fulcrum and effort
2nd class lever
14
the 2nd class lever is always a mechanical ___________
advantage
15
a type of lever when the effort is between the fulcrum and load
3rd class lever
16
the 3rd class lever is always a mechanical ___________
disadvantage
Study all 16 cards for free