Each time that happened, the second cra narrowed its deficit by an arm span.

We cleared the piles by a couple of arm spans and suddenly the current slackened.

He's a legitimate 7-footer, has a long arm span and is an excellent shot blocker.

Another useful measurement compares the child's arm span with body length.

The lower half of the body is especially long and the arm span is usually greater than the person's height.

The 6-foot-9 Prince has a remarkable arm span of 7-2.

The ape index is usually defined as the ratio of arm span to height.

However, an alternative approach is arm span minus height with the result being positive, 0 or negative.

To measure the arm span, the person must be standing up against the wall with their arms extended sideways at a ninety degree angle.