Back Muscles

The blue arrows are pointing to which muscle in the back? (a)  

• latissimus dorsi

• longissimus dorsi

• serratus dorsalis

• spinalis dorsi

• iliocostalis

The muscles shown in red are called the...

• iliocostalis

• longissimus dorsi

• latissimus dorsi

• serratus dorsalis

• spinalis dorsi

The muscle marked A is called...

• serratus dorsalis

• longissimus dorsi

• latissimus dorsi

• spinalis dorsi

• iliocostalis

The muscle marked B is called...

• serratus dorsalis

• longissimus dorsi

• latissimus dorsi

• spinalis dorsi

• iliocostalis

What is the primary characteristic of skeletal muscles?

• They are involuntary and non-striated

• They are voluntary and striated

• They are involuntary and striated

• They are voluntary and non-striated

Collectively these 3 muscles O-K-G are called:

• Hamstrings muscles

• Iliotibial band

• Erector spinea muscles

• Illiocostalis muscles

Identify the following (Not all words will be used)

d

c

b

Iliocostalis

Spinalis

Longissimus

Acromiotrapezius

Click on the External Oblique

Tags

NGSS.HS-LS1-2

The muscles shown in yellow are called the...

• spinalis dorsi

• longissimus dorsi

• latissimus dorsi

• serratus dorsalis

• iliocostalis

The muscles shown in green are called the...

• longissimus dorsi

• latissimus dorsi

• serratus dorsalis

• spinalis dorsi

• iliocostalis