Biomechanics Chapter 2

In anatomical position what is the position of the elbow?

0 degrees

Which of the following terms would accurately describe the biceps muscle?

Anterior

Abduction takes place around which axis?

Anteroposterior

Which of the following motions occurs primarily in the frontal plane? A. running B. cartwheel C. pirouette D. all of the above

B. cartwheel

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 & B D. none of the above

C. both A and B

Which of the following is true regarding horizontal adduction? A. also called horizontal flexion B. occurs in the transverse plane C. both A & B D. none of the above

C. both A and B

Which of the following are transverse plane movements at the shoulder? A. horizontal abduction B. medial rotation C. both A and B above D. none of the above

C. both A and B above

Which of the following terms best describes translational motion along a curved line?

Curvilinear

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

D. all of the above

Which of the following is/are examples of superficial muscle(s)? A. biceps B. triceps C. gastrocnemius D. all of the above

D. all of the above

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

D. all of the above

What term is used to describe the motion of bringing the foot closer to the lower leg?

Dorsiflexion

A dancer performs a pirouette in which plane?

Transverse

Primarily in which plane does the swinging of a baseball bat occur?

Transverse

In anatomical position, the forearm is in what position?

Supinated

Which of the following is true regarding circumduction? A. combines flexion, extension, adduction, and abduction B. synonymous with rotation C. both A & B D. none of the above

A. combines flexion, extension, adduction, and abduction

Which of the following motions occurs primarily in the sagittal plane? A. running B. a cartwheel C. a pirouette D. all of the above

A. running

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

A. the hip is distal to the knee

What limb movements occur during "jumping jacks"?

Adduction and Abduction

Anatomical reference position

Erect standing position with all body parts, including the palms of the hands, facing forward considered the starting position for body segment movements

The cardinal frontal plane divides the body into equal ______.

Front and back halves

Abduction occurs in which plane?

Frontal

Most human movement falls into which category?

General

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 thehand is drawn behind the body, what movements occurs at the shoulder?

Hyperextension

Which of the following terms means "farther from the head"?

Inferior

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?

Lateral Flexion

Shaking the head "no" involves which of the following movements?

Left and right rotation

Movements in the transverse plane occur around which axis?

Longitudinal

Internal rotation is synonymous with which of the following?

Medial rotation

Which of the following describes the knee joint relative to the ankle joint?

Proximal

Which of the following categories of motion is mutually exclusive with each of the others?

Rotational movement

Elbow extension takes place in what plane?

Sagittal

Nodding the head "yes" occurs in which plane?

Sagittal

What plane does a forward roll occur?

Sagittal

Which imaginary cardinal plane bisects the body into right and left halves?

Sagittal

Which of the following is a linear movement in the frontal plane?

Shoulder gridle elevation

Which view is best for observing normal human gait?

Side view

Foot pronation occurs at which joint?

Subtalar

In two-dimensional Cartesian coordinate systems, what unit is used for the vertical axis?

y

Which of the following units is unique to three-dimensional Cartesian coordinate systems (i.e. do not exist in 2-D systems)?

z