Maximal Exercise Testing

Progressive test to voluntary exhaustion:

• Also called graded exercise test (GXT)
• Intensity increases every 1-2 minutes
• Continue until unable to maintain pace/power
• Typically 8-15 minutes of exercise
• Determines true VO₂ max

Maximal Testing:

• Exercise to exhaustion
• Measures actual VO₂ max
• Most accurate cardiovascular assessment
• Requires medical clearance for some populations

Submaximal Testing:

• Stop before exhaustion (e.g., 85% max HR)
• Estimates VO₂ max from submaximal data
• Less accurate but lower risk
• Used when maximal testing contraindicated

Ramp protocol for maximal testing:

• Warm-up: 3-5 minutes easy
• Ramp: Gradual intensity increase (e.g., +1 mph or +20W per minute)
• Maximal Effort: Continue until exhaustion
• Cool-down: 5 minutes easy

Test ends when:

• Volitional Fatigue: You say "I'm done"
• Unable to Maintain: Can't keep up with treadmill/resistance
• VO₂ Plateau: Oxygen consumption stops rising
• Safety Concern: Chest pain, severe breathlessness, etc.

Maximal testing is safe for most healthy individuals:

• Pre-test health screening
• Medical clearance for high-risk individuals
• Continuous monitoring during test
• Stop immediately if concerning symptoms

Athletes: Need accurate VO₂ max and training zones

Healthy Adults: Cleared for vigorous exercise

Clinical Populations: With physician clearance

VO₂ Max Test: $250

Complete maximal exercise test with VO₂ max, max heart rate, and comprehensive fitness analysis.

Fit Evaluations
311 Soquel Ave
Santa Cruz, CA 95062

Behind Hindquarter restaurant (second entrance off Dakota St.)

Contact:
Phone: 831-400-9227
Email: info@fitevals.com

Professional maximal exercise testing in Santa Cruz.