lesson 23

Question 1

What is the definition of unilateral and bilateral? in terms of contraction

Answer 1

Question 2

what is the extrinsic back muscles?

Answer 2

Question 3

what is our intrinsic back muscles?

Answer 3

Question 4

Answer 4

Question 5

what are the superficial extrinsic back muscles also know as?

Answer 5

posterior axio-appendicular muscles (extrinsic shoulder) muscles

Question 6

Answer 6

in order to view deep posterior part we have to reflect trapezius

Question 7

Answer 7

Question 8

what actions?

Answer 8

descending fibers can elevate the scapula
the middle fibers can cause retraction of the scapula
the ascending fibres can depress the scapula

• all the fibres in unison cause upward rotation

only exception comes from the nerve from a brain

Question 9

Answer 9

Question 10

what are the actions of the latissiumus dorsi

Answer 10

Question 11

Answer 11

all insert on the medial border of the scapula
SoS- spine of scapula

Question 12

Answer 12

Question 13

Answer 13

Question 14

reflected trapezius, latissumus dorsi, rhomboid major minor, and levator scapula out the way

Answer 14

make sure you dont confuse
- they are similar place than rhomboid major and minor
- these are saw like structures.

Question 15

Answer 15

main role is proprioception
it is still in the air if it has to do with respiration

Question 16

Answer 16

Question 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Answer 21

Question 22

Question 23

what is the most superfical layers of the deep intrinsic bac muscle of the transversospinales group?

Answer 23

semispinalis is the longest or most superficial
multifidus is in the middle length
and rotatores are the shortest and deepest

Question 24

Answer 24

Question 25

Answer 25

Question 26

Question 27

Answer 27

Question 28

Answer 28

Question 29

Answer 29

Question 30

Answer 30