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  • Title: Cardiovascular response during upright isometric dead lift in young, older, and elderly healthy men.
    Author: Sagiv M, Ben-Sira D, Rudoy J.
    Journal: Int J Sports Med; 1988 Apr; 9(2):134-6. PubMed ID: 3384519.
    Abstract:
    Isometric exercises raise the mean arterial blood pressure and impose serious stress on left ventricular function. It may be more dangerous for older than for younger people. The effect of aging on blood pressure response was studied in 75 subjects, 25 normal young men aged 25 +/- 4 years, 25 older men aged 51 +/- 3.2 years, and 25 elderly men aged 68 +/- 4 years, during upright isometric dead lift at 30% maximal voluntary effort for 3 min. The heart rate, systolic blood pressure, and diastolic blood pressure were measured during the 3rd min of dead lift contraction. Tension exerted was significantly lower in the older group (33 +/- 4 kg) and lowest in the elderly group (26.9 +/- 6 kg) compared with the young group (43 +/- 8 kg). All groups showed similar and significant increases in heart rate, systolic and diastolic blood pressure during dead lift (p less than 0.01). These data indicate a similar pattern of blood pressure response to acute pressure overload in young, older, and elderly normal men.
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