Chapter Two Biomechanics
Which of the following terms would accurately describe the biceps muscle when in the anatomic reference position? A. anterior B. posterior C. medial D. lateral
anterior
Which of the following is true regarding circumduction?
combines flexion, extension, adduction, and abduction
What term is used to describe the motion of bringing the foot closer to the lower leg?
dorsiflexion
The cardinal frontal plane divides the body into equal _____
front and back halves
Most human movement falls into which category? A. rectilinear B. curvilinear C. angular or rotational D. general
general
Which of the following are transverse plane movements at the shoulder? A. horizontal abduction B. flexion C. both A and B above D. none of the above
horizontal abduction
Which of the following is/are true regarding anatomical reference position? A. palms face forward B. erect posture C. starting position for describing motion D. all of the above
All of the above
Abduction takes place around which AXIS?
Anteroposterior
Which is true about the Cartesian coordinate system? A. It is a special reference system used by biomechanists. B. It can be used to describe two-dimensional or three-dimensional motion. C. both A and B D. none of the above
Both A and B
Which of the following motions occurs primarily in the frontal plane? A. running B. a cartwheel C. a pirouette D. all of the above
Cartwheel
Which of the following terms best describes translational motion along a curved line?
Curvilinear
Which of the following statements is false? A. the hip is distal to the knee B. the shoulder is superior to the hip C. superficial muscles are closer to the skin than deep muscles D. the triceps are posterior to the biceps
The hip is distal to the knee
A dancer performs a pirouette in which plane?
Transverse
Primarily in which plane does the swinging of a baseball bat occur?
Transverse
______________ describes motion along a straight line, whereas ______________ describes motion along a curved line.
rectilinear, curvilinear
Nodding the head "yes" occurs in which plane?
saggital
In anatomical position, the forearm is in what position? A. pronated B. supinated C. flexed D. abducted
supinated
Which of the following is/are examples of superficial muscle(s)? A. biceps B. triceps C. gastrocnemius D. all of the above
All of the above
Sagittal view is the same as side view.
TRUE
The center of mass is located at the intersection of the three cardinal planes
TRUE
Which of the following describes the knee joint relative to the ankle joint? A. distal B. proximal C. medial D. lateral
proximal
Which of the following limb movements occur during "jumping jacks"?
Adduction and Abduction
Which of the following could be defined by a movement analyst as a mechanical system? A. entire human body B. right arm C. projected ball D. all of the above
All of the above
In anatomical position, the radius is medial to the ulna.
FALSE
Abduction occurs in which PLANE?
Frontal
During the preparatory phase for an underhand softball pitch, the hand holding the ball is drawn behind the body prior to the forward swing of the arm. When the hand is drawn behind the body, which of the following movements occurs at the shoulder?
Hyperextension
Which of the following terms means "farther from the head"?
Inferior COME BACK
Which of the following categories of motion is mutually exclusive with each of the others?
Rotational motion
Which of the following motions occurs primarily in the sagittal plane? A. running B. a cartwheel C. a pirouette D. all of the above
Running
Elbow extension takes place in what plane?
Saggital
In which of the following planes does a forward roll occur?
Sagittal
Which imaginary cardinal plane bisects the body into right and left halves?
Sagittal
Which view is best for observing normal human gait?
Side view
In anatomical position, what term describes the radius relative to the ulna?
lateral
Which of the following is not an example of a sagittal plane movement? A. flexion B. hyperextension C. lateral flexion D. plantar flexion
lateral flexion
Translation is a synonym for ______________ motion.
linear
Movements in the transverse plane occur around which axis?
longitudinal
Internal rotation is synonymous with which of the following? A. medial rotation B. lateral rotation C. external rotation D. none of the choices are correct
medial rotation
The ______________ axis is the imaginary line around which sagittal plane motion occurs.
mediolateral