Question

climb a ladder in your body parts help​

Answer 1

Answer:

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Answer 2

Explanation:

Descriptions are given of the following movements of the body during the action of climbing a ladder:

(1) displacement and rotation of the pelvic girdle and trunk

(2) rotation of the knee and hip joints.

The descriptions are derived from cine records of a laboratory experiment in which thirty five male subjects climbed a ladder set at two angles: 70·4° and 75·2° with the horizontal.

A comparison is made with the actions of the walking stride. The results indicate that, at the steeper ladder angle, the hands play a greater part in maintaining the balance of the body and there are greater differences between the movement patterns of tall and short subjects. Those, in turn, suggest a decreased stability of the body and increased deviation from the average pattern of movement. This may have a bearing on the kind of ladder accident in which the man slips or misses his footing.