Page 90 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Lactate concentration (phys.exercise) B. Maximum O 2 uptake
·
Training-related Oxygen uptake V O 2
(mL/min per kg body weight)
10 shift Resting · V O 2 max
Lactate concentration (mmol/L) 8 6 Non-athletic 2.3 38
Women

Anaerobic
4
threshold
Men Athletic 3.3 55 Physical Fitness and Training
2 Aerobic Non-athletic 3.2 44
threshold
0
0 1 2 3 4 5
Load (W/kg body weight)
Athletic 4.8 67 Plate 2.19

C. Comparison of non-athletic individuals and endurance athletes
Physiological parameters Non-athletes Endurance athletes
(2 men, age 25, 70 kg)

Resting Maximum Resting Maximum
Heart weight (g) 300 500
Blood volume (L) 5.6 5.9
-1
Heart rate (min ) 80 180 40 180
Stroke volume (mL) 70 100 140 190 (Data partly from H.-J.Ulmer)
Cardiac output (L/min) 5.6 18 5.6 35
Total ventilation (L/min) 8.0 100 8.0 200
O 2 uptake (L/min) 0.3 2.8 0.3 5.2
D. Post-exercise muscle ache
Unusually high strain on Cracks in Z disks
certain muscles Protein breakdown
Water influx
Swelling
Pain
Reduced blood flow

Loss of force 77
Several hours later Reflex tension
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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