Description
In this collection, there will be a bunch of questions, you have to name the following muscles indicated by the arrows and describe their actions
This collection is useful for all medical, science, dental, and pharmacy students
Study Set Content:
Skeletal Muscle
Practice Exam #1
Name the following muscles indicated
by the arrows and describe their actions.
Click to the next slide to see the answer.
*note: not every muscle you are required to know will be on this practice exercise so make sure you
review the checklist of structures (p. 110 in your lab manual) when preparing for your lab exam
*For best results on these practice exams, write your answers
on paper before clicking to see the correct answer. Try to
answer within a minute (remember your lab exams will be
timed) and make sure to check your spelling!
*click to the next slide to
check your answer
Orbicularis oculi
Action: Closes
eye/squeezes
eye shut
*click to the next slide to
check your answer
Masseter
Action: Elevates mandible
*click to the next slide to
check your answer
Internal intercostals
Action: Pulls ribs
inferiorly to cause
expiration
(exhalation)
*click to the next slide to
check your answer
Rectus abdominis
Action: Flexion of torso
at vertebral column
*click to the next slide to
check your answer
Trapezius
Action:
Elevation,
retraction or
depression of
the scapula;
Extension of
the head and
neck
*click to the next slide to
check your answer
Erector spinae
Action:
Extension of
vertebral
column with
bilateral
contraction;
Rotation and
lateral flexion
of spine with
unilateral
contraction
*click to the next slide to
check your answer
Rhomboid major
Action: Retraction of
the scapula
*click to the next slide to
check your answer
Latissimus dorsi
Action:
Extension,
adduction and
medial rotation
of the arm at
the shoulder
*click to the next slide to
check your answer
Sternocleidomastoid
Action: Flexion of the
head and neck with
bilateral (both left and
right) contraction; Lateral
flexion and rotation of the
head and neck with
unilateral contraction
