Muscle Practice- Head/Abdominals/Vertebral

Match the following

• masseter

• 
• obicularis oculi

• 
• frontalis

• 
• obicularis oris

• 

Match the following

• occipitalis

• 
• sternocleidomastoid

• 
• temporalis

• 
• platysma

• 

The name of muscle A is ​ (a)   and is responsible for elevating the ​ (b)   . Muscle B is the ​ (c)   and ​ (d)   the corner of mouth.

• zygomaticus minor
• lip
• zygomaticus major
• raises
• obicularis oris
• lowers
• eye

Match the following muscles with their functions.

• closes and puckers lips (kiss face)

• Occipitalis

• Blinking or squinting

• Obicularis oris

• Draws scalp posteriorly

• Frontalis

• Raise the eyebrows

• Obicularis oculi

Match the following muscles with their functions.

• Elevates, retracts, protracts mandible

• Masseter

• Elevates and retracts the mandible

• Sternocleidomastoid

• 1 side- turns head

  both- flex head

• Platysma

• Depresses lower lip & mandible

• Temporalis

This picture shows the major abdominal muscles. Muscle A is ​ (a)   . Muscle B is the ​ (b)   . Muscle C are the ​ (c)   , while muscles D are the ​ (d)  

• rectus abdominis
• transverse abdominis
• internal obliques
• external obliques.

All the abdominal muscles have a common function. That function is to __ the abdomen (trunk).

Collectively this muscle (D) is called the ​ (a)   . It is actually made of 3 smaller muscles. Think- I Like Standing! Muscle A is the ​ (b)   , Muscle B is the ​​ (c)   , and Muscle C is the ​ (d)   .

• erector spinae
• ilicostalis group
• longissimus group
• spinalis group

Consider the muscles that make up the erector spinae group. Sort the functions based on those that occur when one side is working versus both sides.

Groups:

(a) One side

,

(b) Both sides

• extension of the vertebral column

• rotation of the vertebral column

• maintaining erect posture

• lateral flexion of trunk