PASQUALE DON FRANCISCO5S CASE.

PERRETTA, J. While acting within the scope of his employment on June 3, 1969, the employee fell twenty feet from staging to the ground. He sustained a neck injury for which the insurer paid almost three weeks' compensation. The employee returned to work without restrictions on his activities, stopping on May 8, 1978. He has not worked since that date. A single member of the Industrial Accident Board, whose findings were affirmed and adopted by the reviewing board (board), found that on May 8, 1978, the employee was totally disabled "as a direct result of degenerative changes set in motion by [the 1969] injury." The board

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ordered that the employee receive benefits at the rate in effect on May 8, 1978, in accordance with G. L. c. 152, Section 35B, inserted by St. 1970, c. 667, Section 1. That statute provides, in relevant part: "An employee who has been receiving compensation under this chapter and who has returned to work for a period of not less than two months shall, if he is subsequently injured and receives compensation, be paid such compensation at the rate in effect at the time of the subsequent injury whether or not such subsequent injury is determined to be a recurrence of the former injury." [Note 1] A judge of the Superior Court affirmed the board's decision, and the insurer appeals, arguing that the employee's condition is neither a "subsequent injury" nor a "recurrence of the former injury" and that Section 35B applies only to injuries occurring after February 1, 1971, the effective date of that provision. See St. 1970, c. 667, Section 2. We affirm the judgment.

The insurer does not dispute the facts found by the single member and adopted by the board. From 1947 to November, 1971, the employee worked in "heavy construction," first as a laborer and then as an iron worker. When the employee returned to work after his 1969 injury, he experienced neck and back pain at various times, particularly when he was engaged in strenuous activity. In November, 1971, he was elected business agent for his union, and in this capacity the employee's duties were to assign iron workers to various jobs, to visit work sites, and to investigate grievances. This last responsibility entailed climbing ladders and steel structures. Throughout this period, 1971 to May, 1978, the employee was aware of a "progressive deterioration" in his physical condition, particularly in respect to "problems" with his neck and left arm. His complaints of pain "progressively" increased, but the employee never made or filed an incident report. On occasion he would have to be driven home from work because he was unable to drive his own car due to neck pain.

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The employee's medical expert testified that when he examined the employee in May, 1978, he noted that the employee suffered from "tenderness and restricted motion" in his neck and a "loss of sensation to pinprick and weakness in the left upper extremity and degenerative changes in the cervical spine at C5-6." A disc protrusion at "C5-6" was confirmed by a myelogram. The doctor related that the employee was suffering from "post-traumatic cervical arthritis in C5-6 with associated disc herniation." It was his opinion that the employee was totally disabled and that his disability was causally related to the 1969 injury.

The employee's expert further testified that the employee has had "continuous symptoms" which, since 1969, became "progressively worse" and that the 1969 injury "set in motion the inevitable progression of changes in the employee's cervical spine that culminated" in his total disability. He stated that the employee's "degenerative changes would have taken place whether or not the employee was working but that by working the disability occurred a little bit sooner." [Note 2]

1. Scope of Section 35B.

There is no dispute that the employee is entitled to compensation, and the sole issue is whether the compensation is to be at the rate in effect on May 8, 1978, rather than on June 3, 1969.

The question arises in the following context. The right to compensation under our worker's compensation act, G. L. c. 152, as amended (the Act), originates in the injury, and the rate of compensation is fixed by statute, [Note 3] which by general

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rule (later embodied in Section 2A) must be prospectively applied. Accordingly, compensation benefits are to be paid at the rate in effect on the date of the injury. Beausoleil's Case, 321 Mass. 344 (1947), and cases therein cited. Steuterman's Case, 323 Mass. 454 (1948). See generally Locke, Workmen's Compensation Section 177, at 191-194 (2d ed. 1981). As a corollary, where an employee is again unable to work because of a prior injury, compensation has been paid by the insurer of that original risk and, hence, at the rate in effect at the time it undertook that risk, the date of the prior injury. See Gaglione's Case, 241 Mass. 42, 43 (1922); Evans's Case, 299 Mass. 435, 437 (1938); Zerofski's Case, 385 Mass. 590, 592 (1982). Thus arises the dispute, whether the worker's recent absence is due to the prior or a new injury.

The employee argues that he is entitled to the more recent rate because Section 35B applies to any "subsequent period of incapacity" (see Locke, Workmen's Compensation Section 302, at 352-353 [2d ed. 1981]) which is found to be either a recurrence of the former injury or a new injury. The insurer contends that as the employee's inability to work was found to be the result of a degenerative process set in motion by the 1969 injury rather than a new injury or the reappearance of the symptoms associated with the former injury, Section 35B is inapplicable. But see Zerofski's Case, 385 Mass. at 596 & n.7.

In interpreting Section 35B, the parties have failed to apply general principles of statutory construction. "[I]t is established that the workmen's compensation act is to be construed broadly, rather than narrowly, in the light of its purpose and, so far as reasonably may be, to promote the accomplishment of its beneficent design. . . . But it is also settled that, in construing a statute, its words must be given their plain and ordinary meaning according to the approved usage of language . . . and that the language of the statute is not to be enlarged or limited by construction unless its object and plain meaning require it." Johnson's Case, 318 Mass. 741, 746-747 (1945).

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The purpose of the Act is to replace wages lost by reason of an employee's inability to work because of an injury. "The compensation to be paid bears direct relation to the loss of earnings resulting from the injury. All compensation thus provided is by way of relief from inability to earn, or for deprivation of support flowing from, wages theretofore received by the employee." Ahmed's Case, 278 Mass. 180, 183 (1932). See also Evans's Case, 299 Mass. 435, 436 (1938). We note that under the general rule the employee sustaining a new injury, one independent of and totally unrelated to any prior injury, receives compensation commensurate with the wages lost. See G. L. c. 152, Section 34 & 34A. However, under the corollary to that rule, prior to the enactment of Section 35B, where the employee's absence from work was causally related to and the consequence of a prior compensable injury, the compensation bore no relationship to the wages being earned on the date the employee again became unable to work. Compensation based upon wages in effect at the time of the prior injury would be inconsistent with the purpose of the Act.

We turn to the language of Section 35B, which, by the plain and ordinary meaning of the words used, has application only to employees who are injured not less than two months following the date of their return to work after being unemployed because of a compensable injury. ("An employee who has been receiving compensation under this chapter and who has returned to work for a period of not less than two months shall, if he is subsequently injured . . .").

We give the word "injury" its specialized rather than common meaning. That type of injury for which compensation is awarded under c. 152 "has been broadly defined to include `whatever lesion or change in any part of the system produces harm or pain or a lessened facility of the natural use of any bodily activity or capability'" (emphasis supplied). Fitzgibbons's Case, 374 Mass. 633, 637 (1978), quoting from Burns's Case, 218 Mass. 8, 12 (1914). Additionally, because the employer takes the employee as he finds him, an injury includes the aggravation of a preexisting

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condition. See, e.g., Steuterman's Case, 323 Mass. 454, 455 (1948). See generally Locke, Workmen's Compensation Section 173, at 177-179 (2d ed. 1981). Further, the injury must be work related. As recently stated: "To be compensable, the harm must arise either from a specific incident or series of incidents at work, or from an identifiable condition that is not common and necessary to all or a great many occupations. The injury need not be unique to the trade, and need not, of course, result from the fault of the employer. But it must, in the sense we have described, be identified with the employment." Zerofski's Case, 385 Mass. at 594-595.

We construe the terms "subsequently injured" and "subsequent injury" to mean a change in the employee's physical or mental condition, see Burns's Case, 218 Mass. at 12; Fitzgibbons's Case, 374 Mass. at 637-638, which occurs at least two months after his return to work. When such a change in the employee's condition occurs, it is of no consequence that the change may be found to be causally related to the injury for which he had been receiving compensation prior to his return to work. (Section 35B: "[W]hether or not such subsequent injury is determined to be a recurrence of the former injury".) The employee is entitled to compensation at the rate in effect on the day he is again required to leave work. Cf. Atamian's Case, 265 Mass. 12, 16 (1928); Trombetta's Case, 1 Mass. App. Ct. 102, 105 (1973).

To read Section 35B to be, as suggested by the employee, a "remedial upgrading of compensation for subsequent periods of incapacity determined as a question of fact to be recurrence," is merely to shift focus away from the word "injury" to "recurrence" without regard for the meaning of either. While the end result may be close to the mark that we have reached, the employee's reasoning is unnecessarily artificial and can produce results we think were not intended by the Legislature. See, e.g., Calheta's Case, post 464 (1982). [Note 4]

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The insurer, on the other hand, would narrowly and literally construe Section 35B. It would recognize a "recurrence" of the former injury, but it would do so only where the employee's condition was "reappearing" and spasmodic rather than, as here, constant and degenerative. We see no significant distinction between periodic changes in one's condition resulting in lost wages and a steady process of deterioration of one's physical or mental abilities culminating in the inability to work. Cf. Fitzgibbons's Case, 374 Mass. at 638. The cause, a change in the employee's condition which is causally related to a prior injury, and the result, loss of wages, are identical in either event.

We hold that Section 35B is a legislative remedy for the disparity which would otherwise exist between wages lost and compensation received in those situations where an employee returns to work but, because of a prior compensable injury, his ability to perform his duties changes while his compensation benefits remain the same. Our construction of Section 35B is consistent with the "beneficent design" of the Act, Johnson's Case, 318 Mass. at 746, and in furtherance of its purpose, Ahmed's Case, 278 Mass. at 183. [Note 5]

The board's findings show that the employee, subsequent to his reemployment, became unable to work because of his 1969 injury, and he therefore falls within the scope of Section 35B.

2. Prospective Application of Section 35B.

General Laws c. 152, Section 2A, inserted by St. 1946, c. 386, Section 3, provides that any amendment which would increase the rate of compensation to be received by an employee shall "be deemed to be substantive in character and shall apply only to personal injuries occurring on and after the effective date of such act." In Zerofski's Case, 12 Mass. App. Ct. 154, 159 (1981), S.C., 385 Mass. 590 (1982), Section 35B

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was construed as "`substantive in character.'" The insurer looks to the 1969 injury and argues that application of Section 35B in this instance would be retrospective. Under Section 35B, however, the employee's right to compensation at the increased rate and the insurer's burden to pay it originate in the change in the employee's condition subsequent to his return to work. Where, as here, the injury occurs after the effective date of Section 35B, February 1, 1971, application of that amendment is not retrospective.

The judgment is affirmed. Costs to the employee are to be determined by a single justice of this court.

So ordered.