Deck 2: The Musculoskeletal System: The Skeletal Framework and Its Movements

Question 1

What is movement away from the midline of the body?

A) flexion
B) extension
C) adduction
D) abduction

Answer 1

abduction

Question 2

Discuss the reasons why it is inadvisable to have young children involved in activities that require hard contact or heavy resistance.

Answer 2

damage to epiphyseal areas of long bones

Question 3

Name the joint actions involved at the ankle, knee, hip, shoulder, and elbow in the propulsion phase of a jumping jack exercise.

Answer 3

ankle plantar flexion, knee extension, hip extension, shoulder abduction

Question 4

Name and discuss three factors that contribute to joint stability.

Question 5

Consider the motion of lifting one's foot up in preparation for placing it on a bench. Analyze the joint type, joint motion, plane and axis for movement in the ankle, knee, and hip joints:

Question 6

The epiphyseal plate is:

A) the growth area of the long bones
B) the flat bone of the skull
C) the articular surface of a bone
D) the growth area of a flat bone

Question 7

Which of the following defines the center of gravity of the body?

A) intersection of cardinal sagittal and frontal planes
B) intersection of cardinal frontal and horizontal planes
C) intersection of cardinal sagittal and horizontal planes
D) intersection of all 3 cardinal planes
Short Answer Questions

Question 8

Which plane divides the body into right and left halves?

A) frontal
B) sagittal
C) horizontal
D) cardinal

Question 9

An example of a hinge joint would be the ___.

A) wrist
B) elbow
C) hips
D) acromioclavicular

Question 10

Which of the following movements occurs in a horizontal plane around a vertical axis?

A) arm action in golf drive resulting in no spin ball
B) arm action in tennis forehand resulting in no spin
C) leg action in football, no spin
D) leg action in walking

Question 11

A reduction in joint angle is termed:

A) abduction
B) adduction
C) flexion
D) extension

Question 12

Adduction refers to:

A) movement away from the midline of the body
B) movement toward the midline of the body
C) movement in two planes
D) reduction of joint angle

Question 13

Which of the following joint types is biaxial?

A) ball and socket
B) hinge
C) condyloid
D) gliding

Question 14

Which of the following is not a factor in range of motion?

A) joint structure
B) muscle bulk
C) ligamentous structures
D) segment length

Question 15

What is circumduction?

A) combination of movements in two planes
B) combination of movements in three planes
C) movement about a longitudinal axis
D) movement of a segment in a circle

Question 16

What is action in which the sole of the foot moves away from anterior surface of the lower leg?

A) inversion
B) eversion
C) plantar flexion
D) dorsiflexion

Question 17

Which of the following is correct?

A) abduction of the humerus--motion in a frontal plane about a vertical axis
B) flexion of the knee--motion in a sagittal plane about a biltaeral axis
C) forward tilt of the pelvis--motion in a frontal plane about an AP axis
D) rotation of the head--motion in a frontal plane about a longitudinal axis

Question 18

Ligaments act to:

A) join muscle to bone
B) join bone to bone
C) cover the articular surface of the bone
D) provide articular lubrication

Question 19

List three reasons why differences might exist among individuals in range of motion in the following motions. Justify your answers.
knee flexion and hyperextension
hip abduction and adduction
hip rotation

Question 20

Which of the following illustrates motion in the frontal plane and around the AP axis?

A) an overhand throw
B) a bowling delivery
C) jumping jack exercises
D) a discus throw