muscles of back

Question 1

• The muscles of the back can be divided into three groups

Answer 1

superficial
intermediate and deep

Question 2

associated with movements of the shoulder

Answer 2

superficial

Question 3

associated with movements of the thoracic cage.

Answer 3

intermediate

Question 4

associated with movements of the vertebral column.

Answer 4

deep

Question 5

The Superficial Back Muscles are

Answer 5

trapezius
levator scapulae
rhomboid major
rhomboid minor Latissimus dorsi

Question 6

—- large triangular muscle that consists of three parts——

Answer 6

trapezius
Descending part (superior fibers)
* Transverse part (medial fibers)
* Ascending part (inferior fibers)

Question 7

elevates pectoral girdle

Answer 7

the descending part of the trapezius

Question 8

retracts scapula

Answer 8

the middle part of the trapezius

Question 9

depresses shoulders

Answer 9

the ascending part of the trapezius

Question 10

is an elongated muscle that extends from the upper cervical vertebrae to the scapula. the action is

Answer 10

The levator scapulae
elevates the scapula

Question 11

———- are the two small quadrangular muscles located between the medial margins of the scapulae.
* Actions; Retracts and rotates the——–

Answer 11

The rhomboid muscles
scapula

Question 12

the widest muscle of the human body.

Answer 12

the latissimus dorsi

Question 13

Extends, adducts and medially rotates the upper limb.

Answer 13

the latissimus dorsi

Question 14

The Intermediate Back Muscles

Answer 14

1. Serratus posterior superior
2. Serrataus posterior inferior

Question 15

(elevates upper ribs)

Answer 15

serratus superior posterior

Question 16

depresses the lower ribs

Answer 16

serratus posterior inferior

Question 17

are the two paired muscles that span from the vertebrae to the ribs.

Answer 17

serratus posterior (inferior and superior)

Question 18

The Deep Back Muscles

Answer 18

superficial
intermediate
deep

Question 19

the superficial of(deep back muscles)

Answer 19

• Splenius capitis
• Splenius cervicis

Question 20

Action; Unilateral contraction: lateral flexion and rotation of head/neck (ipsilateral) * Bilateral contraction: extension of head/neck

Answer 20

the superficial of the deep back muscles

Question 21

• Iliocostalis
• Longissimus
• Spinalis

Answer 21

Intermediate muscles of the deep back muscles

Question 22

Function of ———
* Bilateral contraction - extension of spine
* Unilateral contraction - lateral flexion of spine (ipsilateral).

Answer 22

the intermediate deep back muscles

Question 23

the intermediate deep back muscles make

Answer 23

Erector spinae

Question 24

the deep (deep back muscles ) are

Answer 24

Interspinales:
intertranversari:
Transversospinales

Question 25

all three of deep deep back muscles function is

Answer 25

to stabilize the vertebral column.

Question 26

lies deep to the Erector Spinae.

Answer 26

transversospinales deep deep back muscles