Trunk & Upper Extremity Muscles Review

Identify the function(s) of the axial skeleton

• to provide support and protection for the brain, the spinal cord, and the organs in the ventral body cavity

• to support core of limbs

• to provides a surface for the attachment of muscles that move the head, neck, and trunk

• to performs respiratory movements

Is this the axial or appendicular skeleton?

• Axial
• Appendicular

Is this the axial or appendicular skeleton?

• Axial
• Appendicular

If a muscle's name includes the term "oblique" it means:

• Its fibers run parallel to the midline
• Its fibers run perpendicular to the midline
• It does not allow light to pass through it
• Its fibers run on a slant

If a muscle's name includes the term "rectus" it means:

• Its fibers run parallel to the midline
• Its fibers run perpendicular to the midline
• It is part of the rectum
• Its fibers run on a slant

fibers parallel to the long axis of muscle

• parallel

• fusiform

• convergent

• pennate

What are the 3 parts of the muscle?

• origin, belly, impact
• origin, carpus, talus
• origin, belly, insertion
• occipital, frontal,

What term refers to a muscle that aids another muscle by producing the same the movement or reducing undesirable movements?

• antagonist

• fixator

• prime mover

• synergist

The point of muscle attachment to an immovable or less movable bone is known as the ________.

• insertion

• innervation

• action

• origin

Muscles that perform opposite actions to one another are termed ________.

• fixators

• antagonists

• prime movers

• synergists