Muscle Shapes Flashcards
1
Q
Circular muscle
A
Example around the mouth
2
Q
Convergent or Radiate
A
Combined arrangement of flat and fusiform.
Originate broad and converge onto a tendon.
3
Q
Parallel
A
Muscle fibres run parallel to each other.
Long and not very strong but have good endurance.
4
Q
Pennate
A
Have a large number of muscle fibres so are very strong but tire easily.
3/4 types
5
Q
Bipennate
A
Two rows of muscle fibres facing in opposite diagonal directions with a central tendon.
6
Q
Unipennate
A
Fibres insert in a diagonal direction in a tendon. Allows for greater strength.
7
Q
Multipennate
A
Multiple rows of diagonal fibres.
A central tendon which branches into 2 or more tendons
8
Q
Fusiform
A
More spindle shaped.
With the muscle belly being wider than the origin and insertion.
