Thompson, Nicholas and Williams (1999) Muscular soreness following prolonged intermittent high-intensity shuttle running

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Muscular soreness following prolonged intermittent high-intensity shuttle running

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CONTRIBUTORS:

	Author:	Thompson, D.
	Author:	Nicholas, C. W.
	Author:	Williams, C.

JOURNAL:

Journal of Sports Sciences (JSS), 17(5), ?? - ??.

YEAR:

1999

PUB TYPE:

Journal Article

SUBJECT(S):

EXERCISE; SHUTTLE-RUN-TEST; MAN; MUSCLE; SORENESS; CREATINE-KINASE; ASPARTATE-AMINOTRANSFERASE

DISCIPLINE:

No discipline assigned

HTTP:

LANGUAGE:

English

PUB ID:

103-366-699 (Last edited on 2002/02/27 18:44:58 US/Mountain)

SPONSOR(S):

ABSTRACT:
The aim of this study was to examine the impact of prolonged intermittent high-intensity shuttle running on soreness and markers of muscle damage. Sixteen males took part in the study, half of whom were assigned to a running group and half to a resting control group. The exercise protocol involved 90 min of intermittent shuttle running and walking (Loughborough Intermittent Shuttle Test: LIST), reflecting the activity pattern found in multiple-sprint sports such as soccer. Immediately after exercise, there was a significant increase in serum activities of creatine kinase and asparate aminotransferase, and values remained above baseline for 48 h. Median peak activities of creatine kinase and asparate aminotransferase occurred 24 h post-exercise and were 774 and 43 U.1-1, respectively. The intensity of general muscle soreness, and in the specific muscles investigated, was greater than baseline for 72 h after the shuttle test, peaking 24-48 h post-exercise. Muscle soreness was not correlated with either creatine kinase or aspartate aminotransferase activity. Soreness was most frequently reported in the hamstrings. Neither soreness nor serum enzyme activity changed in the controls over the 4 day observation period. It appears that unaccustomed performance of prolonged intermittent shuttle running produces a significant increase in both soreness and markers of muscle damage.

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