Question

In: Anatomy and Physiology

what is the fascicle orientation/arrangement of the following muscles? 1. Gluteus Maximus ? 2. semimembranosus? 3....

what is the fascicle orientation/arrangement of the following muscles?

1. Gluteus Maximus ?

2. semimembranosus?

3. semitendinosus?

4. bicep femoris?

5. vastus medialis?

6. vastus intermedius?

7. vastus lateralis?

8. gastrocnemius?

9. soleus?

10. tibialis anterior?

11> gracilis?

12. iliac?

13. Psoas major?

14. adductor longus?

15. Adductor Magnus?

16. Adductor brevis?

17 tricep brachii?

18. serratus anterior?

19. trapezius?

20. Latissumus dorsi?

21. Rhomboids?

22. Teres major?

23. obliques?

24. Flexor digitorum profundus?

25. Flexor digitorum superficilais?

26. Flexor pollicis longus?

Expert Solution

Muscle fibers within a skeletal muscle forms bundles called fascicles. The muscle fibers in the fascicles are muscle fibers in the fascicles arearranged in four basic patterns of
organization. Which are -

Parallel Muscles - the fascicles are present parallel to the long axis of the muscle. This muscle orientation is most common among skeletal muscles.
convergent muscles - All the fibres of muscles are attached at the common area and based over a broad area .
Circular muscles - The muscles are concentrically arranged around openings.
Pennate musclese - Here the fascicles form a common angle with the tendon and the muscle takes on the shape of a feather at the apexes.

1. Gluteus Maximus - Convergent muscle

2. semimembranosus - Pennate

3. semitendinosus - Pennate

4. bicep femoris - Parallel

5. vastus medialis - Pennate (Unipennate)

6. vastus intermedius -Pennate

7. vastus lateralis - pennate (Unipennate)

8. gastrocnemius - Pennate (bipennate)

9. soleus -Pennate (Unipennate)

10. tibialis anterior - pennate (unipennate)

11.Gracilis - Parellel muscle

13. Psoas major - Pennate

By this way all muscles can be divided in different categories.

Sydney Mullin answered 1 year ago

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