Question

question 7 (2.5 points) listen lumbar flexion is considered a class _____ lever. a) 3 b) 2 c) 1 d) 4

Explanation:

In biomechanics, lumbar flexion is a third - class lever. In a third - class lever, the effort is between the fulcrum and the load. During lumbar flexion, the muscles (effort) in the anterior part of the torso act to flex the spine, with the vertebral joints as the fulcrum and the weight of the upper body as the load.

Answer:

A. 3