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Biomechanical Evaluation Flashcards

7 cards from real CBP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Biomechanical Evaluation flashcards as text

  1. In the CBP global coordinate system, which axis runs vertically through the body?

    Answer: y-axis

    CBP uses the y-axis as the vertical axis, with the x-axis lateral and the z-axis anterior-posterior.

  2. A patient's head is shifted forward relative to the thorax without tilting. How is this described in CBP terms?

    Answer: +Tz translation of the head

    Anterior head translation is a +Tz movement, a translation along the anterior-posterior z-axis.

  3. Rotation of the thoracic cage about the vertical axis (twisting to face left or right) is labeled as which CBP motion?

    Answer: Ry

    Ry is rotation about the vertical y-axis, which is axial rotation.

  4. Lateral bending of the head toward the shoulder in the coronal plane corresponds to rotation about which axis?

    Answer: z-axis

    Lateral flexion occurs about the anterior-posterior z-axis and is labeled Rz.

  5. How many degrees of freedom does CBP use to describe the posture of a single rigid body segment such as the pelvis?

    Answer: 6

    Each rigid body has six degrees of freedom: three translations and three rotations.

  6. On a lateral cervical radiograph, which method does CBP use to measure segmental and global lordosis?

    Answer: Harrison posterior tangent method

    CBP uses the Harrison posterior tangent method, drawing lines along the posterior vertebral body margins.

  7. Which postural pattern is most commonly seen in patients with forward head posture during a sagittal evaluation?

    Answer: Anterior head translation with loss of cervical lordosis

    Anterior head translation is strongly associated with reduced or reversed cervical lordosis.