Muscle Basics 💪
What are the three types of muscle tissue.
Skeletal, smooth, and cardiac
The muscle used to close the eyelids.
Orbicularis oculi
The broad neck muscle that lowers the jaw and lip.
Platysma
The main muscle of the upper arm.
Biceps brachii
These paired muscles form the “six-pack” of the abdomen.
Rectus abdominis
These muscles are voluntary and attached to bones
skeletal muscles
The main chewing muscle of the jaw
Masseter
This muscle turns and flexes the head.
Sternocleidomastoid
This muscle straightens the elbow
Triceps brachii
These muscles are located on the sides of the abdomen.
The obliques
These muscles are involuntary and control internal organs.
Smooth muscles
This muscle allows you to smile.
Zygomaticus major
The 7th cranial nerve is also called what?
The facial nerve
The triangular shoulder muscle
The deltoid
The main breathing muscle located below the lungs
The diaphragm
The heart is made up of what type of muscle tissue?
Cardiac muscle
This muscle controls lip puckering.
Orbicularis oris
The facial nerve controls what types of muscles?
Muscles of facial expression
This chest muscle assists in arm flexion and adduction
Pectoralis major
Muscles between the ribs that assist with breathing.
The intercostals
Skeletal muscles produce what by pulling on bones?
Movement
The frontalis muscle raises what?
The eyebrows
The five major branches of the facial nerve include temporal, zygomatic, buccal, mandibular, and what?
Cervical
The broad back muscle that helps move the shoulder.
Latissimus dorsi
The erector spinae group supports what?
The spine