Muscles of the Head, Neck, & Face: Trail Guide Workbook

The brachial plexus & subclavian artery pass through a small gap between which 2 muscles on the anterior, lateral neck?

Anterior scalene Middle scalene

The __________ is the strongest muscle in the body relative to its size.

Masseter

To access the insertion of the temporalis, you must ask your partner to perform what action?

Open their mouth to access the coronoid process

Which muscle becomes visually distinct when your partner forms a "Creature from the Black Lagoon" expression?

Platysma

The anterior scalene lies partially deep to the lateral edge of which muscle?

Sternocleidomastoid (SCM)

Which muscle originates at the mastoid process, loops through a tendinous sling at the hyoid bone & inserts tot he inferior border of the mandible?

digastric

To discern the posterior scalene from the levator scapula, what action can you ask your partner to perform that would contract the levator scapula but not the scalene?

elevate the scapula

The galea aponeurotica forms the bridge between which 2 muscle bellies?

frontalis & occipitalis

Not that you'd ever want to, but passive elevation of the hyoid bone would __________ the infrahyoids.

lengthen

Passive protraction of the mandible would ______ the digastric.

lengthen

Passive protraction of the mandible would ______ the temporalis.

lengthen

Passive rotation of the head & neck to the same side would __________ the sternocleidomastoid.

lengthen

Which muscle runs from the hyoid bone to the superior border of the scapula & is mostly inaccessible?

omohyoid

Which scalene is difficult to distinguish from surrounding muscle bellies?

posterior scalene

What direction should you give your partner in order to locate the suprahyoids?

press tongue firmly against roof of mouth

The frontal is best seen & felt by asking your partner to do what action?

raise their eyebrows

Which muscles are located between the SCM & the anterior flap of the trapezius?

scalenes

You might ask your partner to "breathe deeply into your upper chest" when palpating which muscle group?

scalenes

Passive depression of the mandible would ____ the suprahyoids.

shorten

Passive elevation of the mandible would ______ the masseter.

shorten

Passive flexion of the head & neck would __________ the anterior scalene.

shorten

Passive lateral flexion of the head & neck to the same side would __________ the sternocleidomastoid.

shorten

Passive rotation of the head & neck to the opposite side would __________ the scalenes.

shorten

Passively raising the eyebrows would _____ the frontalis fibers.

shorten

Tightening the fascia of the neck would _____ the platysma.

shorten

To create an even more visible contraction of the sternocleidomastoid (SCM), ask the client to flex their neck after making what adjustment?

slightly rotating head to the opposite side

The broad origin of which muscle attaches to the frontal, temporal, and parietal bones?

temporalis

The two heads of the sternocleidomastoid originate at the __________ & the __________.

top of the manubrium medial 1/3 of the clavicle