2.3 Cardiovascular & Metabolic Disease Risk Factors

ACSM Certified Personal Trainer Study Guide Exam

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1 Chapter 1: Exam Overview & ACSM CPT Foundations

1.1 ACSM CPT Exam Structure, Logistics & Passing Standards 1.2 The ACSM Scope of Practice & Allied Health Network 1.3 Evidence-Based Practice & Exercise Science Principles

2 Chapter 2: Health Screening & Risk Stratification

2.1 Pre-Participation Physical Activity Screening (ACSM Algorithm) 2.2 Health History Evaluation & Medical Clearance Criteria 2.3 Cardiovascular & Metabolic Disease Risk Factors

3 Chapter 3: Initial Client Assessment & Baseline Testing

3.1 Vital Signs & Resting Baseline Measurements 3.2 Body Composition Assessment Methods 3.3 Cardiorespiratory Fitness Assessments (Submaximal & Field Tests) 3.4 Muscular Fitness & Flexibility Assessment Protocols

4 Chapter 4: Exercise Physiology & Biomechanics

4.1 Energy Systems & Bioenergetics in Exercise 4.2 Cardiovascular & Respiratory Adaptations to Exercise 4.3 Neuromuscular Adaptations to Resistance Training 4.4 Kinesiology, Biomechanics & Movement Analysis

5 Chapter 5: Cardiorespiratory Program Design

5.1 Cardiorespiratory FITT-VP Principles 5.2 Heart Rate Reserve (Karvonen), VO2 Reserve & RPE Methods 5.3 Cardiorespiratory Progression & Periodization Strategies

6 Chapter 6: Resistance Training Program Design

6.1 Resistance Training FITT-VP & Acute Program Variables 6.2 Hypertrophy, Strength, Power & Endurance Programming 6.3 Resistance Training Periodization Models (Linear vs Undulating) 6.4 Exercise Selection, Order & Safety Modifications

7 Chapter 7: Flexibility & Neuromotor Training

7.1 Flexibility Modalities (Static, Dynamic, PNF) & FITT-VP 7.2 Neuromotor & Balance Exercise Prescription 7.3 Functional Movement Screening & Corrective Exercises

8 Chapter 8: Programming for Special & Clinical Populations

8.1 Hypertensive & Cardiovascular Disease Programming 8.2 Metabolic Disorders (Diabetes & Obesity) Programming 8.3 Older Adults & Youth Exercise Considerations 8.4 Prenatal, Postpartum & Musculoskeletal Conditions

9 Chapter 9: Environmental Considerations & Injury Prevention

9.1 Exercise in Extreme Thermal Environments (Heat & Cold) 9.2 High-Altitude & Air Quality Considerations 9.3 Common Musculoskeletal Injuries & Overuse Prevention

10 Chapter 10: Exercise Leadership, Instruction & Spotting

10.1 Pedagogical Techniques & Cueing Strategies 10.2 Spotting Techniques & Free-Weight Safety Protocols 10.3 Form Error Identification & Real-Time Technique Correction 10.4 Equipment Operation, Maintenance & Facility Safety

11 Chapter 11: Behavioral Change & Client Motivation

11.1 Transtheoretical Model (Stages of Change) & Application 11.2 Self-Efficacy, Social Cognitive Theory & Health Belief Model 11.3 Motivational Interviewing & Active Listening Communication 11.4 Goal Setting (SMART Goals) & Adherence Support

12 Chapter 12: Legal, Professional & Emergency Responsibilities

12.1 Legal Liability, Negligence & Standard of Care 12.2 Documentation, Informed Consent & HIPAA Compliance 12.3 Emergency Procedures, Incident Reporting & AED/CPR Integration

2.3 Cardiovascular & Metabolic Disease Risk Factors

Key Takeaways Explain This Topic AI

ACSM atherosclerotic cardiovascular disease (CVD) risk factor assessment identifies systemic risk factors to guide lifestyle counseling and clinical risk management

Age (men ≥45, women ≥55) and Family History of premature CAD (first-degree relative: male <55, female <65) represent non-modifiable CVD risk factors

Modifiable CVD risk factors include Cigarette Smoking, Sedentary Lifestyle, Obesity (BMI ≥30 or waist >102cm/88cm), Hypertension (SBP ≥130 or DBP ≥80), Dyslipidemia (LDL ≥130, HDL <40, or Total ≥200), and Diabetes (Fasting Glucose ≥100 or HbA1c ≥5.7%)

High Serum HDL Cholesterol (≥60 mg/dL) serves as a negative risk factor, subtracting one risk factor from the total count

While ACSM no longer uses risk factor count to dictate medical clearance for exercise, risk factor evaluation remains critical for lifestyle disease prevention and program design

Last updated: July 2026

• 2.3 Cardiovascular & Metabolic Disease Risk Factors
• Purpose of Risk Factor Assessment

Although ACSM removed risk factor counting from the mandatory pre-participation medical clearance algorithm, evaluating atherosclerotic cardiovascular disease (CVD) risk factors remains a fundamental skill for the ACSM Certified Personal Trainer (ACSM-CPT). Identifying modifiable risk factors enables trainers to educate clients, design targeted lifestyle interventions, track health improvements over time, and refer clients to appropriate medical or nutritional professionals.

ACSM defines eight positive CVD risk factor categories and one negative CVD risk factor category. The negative risk factor (high serum HDL cholesterol) reflects a protective physiological state that reduces overall atherosclerotic risk.

ACSM Atherosclerotic Cardiovascular Disease Risk Factor Thresholds

The following table outlines the standardized ACSM risk factor criteria, defining parameters, and clinical thresholds:

• Risk Factor Classification Defining Criteria & Quantitative Thresholds
• Age Positive Men ≥ 45 \ge 45 ≥ 45 years; Women ≥ 55 \ge 55 ≥ 55 years

Family History Positive Myocardial infarction, coronary revascularization, or sudden death before 55 years in father or other first-degree male relative, or before 65 years in mother or other first-degree female relative

Cigarette Smoking Positive Current cigarette smoker, or quit within the previous 6 months , or regular exposure to environmental tobacco smoke

Sedentary Lifestyle Positive Not participating in at least 30 minutes of moderate-intensity physical activity (40%–59% V O 2 R VO_2R V O 2 ​ R ) on at least 3 days/week for at least 3 months

Obesity Positive Body Mass Index (BMI) ≥ 30 kg/m 2 \ge 30\text{ kg/m}^2 ≥ 30 kg/m 2 OR waist circumference > 102 cm (40 in) for men and > 88 cm (35 in) for women

Hypertension Positive Systolic Blood Pressure (SBP) ≥ 130 mmHg \ge 130\text{ mmHg} ≥ 130 mmHg and/or Diastolic Blood Pressure (DBP) ≥ 80 mmHg \ge 80\text{ mmHg} ≥ 80 mmHg (based on ACC/AHA guidelines), confirmed on at least two separate occasions, OR currently taking antihypertensive medication

Dyslipidemia Positive Low-Density Lipoprotein (LDL-C) ≥ 130 mg/dL \ge 130\text{ mg/dL} ≥ 130 mg/dL ( 3.37 mmol/L 3.37\text{ mmol/L} 3.37 mmol/L ) OR High-Density Lipoprotein (HDL-C) < 40 mg/dL ( 1.04 mmol/L 1.04\text{ mmol/L} 1.04 mmol/L ) for men and < 50 mg/dL ( 1.29 mmol/L 1.29\text{ mmol/L} 1.29 mmol/L ) for women OR Non-HDL-C ≥ 160 mg/dL \ge 160\text{ mg/dL} ≥ 160 mg/dL OR total serum cholesterol ≥ 200 mg/dL \ge 200\text{ mg/dL} ≥ 200 mg/dL ( 5.18 mmol/L 5.18\text{ mmol/L} 5.18 mmol/L ) if sub-fractions unavailable OR taking lipid-lowering medication

Diabetes Positive Fasting plasma glucose ≥ 100 mg/dL \ge 100\text{ mg/dL} ≥ 100 mg/dL ( 5.55 mmol/L 5.55\text{ mmol/L} 5.55 mmol/L ) OR 2-hour oral glucose tolerance test (OGTT) ≥ 140 mg/dL \ge 140\text{ mg/dL} ≥ 140 mg/dL ( 7.77 mmol/L 7.77\text{ mmol/L} 7.77 mmol/L ) OR HbA1c ≥ 5.7 % \ge 5.7\% ≥ 5.7% (impaired fasting glucose / prediabetes criteria)

High HDL Cholesterol Negative (Protective) Serum High-Density Lipoprotein (HDL-C) ≥ 60 mg/dL \ge 60\text{ mg/dL} ≥ 60 mg/dL ( 1.55 mmol/L 1.55\text{ mmol/L} 1.55 mmol/L ). Subtracts 1 positive risk factor from the total count

• Deep-Dive Analysis of Individual Risk Factors
• 1. Non-Modifiable Risk Factors

Age : Vascular endothelial function declines and arterial stiffness increases with age. Biological sex alters onset, as estrogen provides vascular protection in premenopausal women, delaying the age threshold for women to 55 years compared to 45 years for men.

Family History : Genetic predisposition to hypercholesterolemia, systemic inflammation, or premature atherosclerosis is evaluated strictly through first-degree relatives (parents, siblings, children). Second-degree relatives (grandparents, aunts, uncles) do not meet the criteria.

2. Modifiable Lifestyle Risk Factors

Cigarette Smoking : Nicotine increases sympathetic drive and blood pressure, while carbon monoxide decreases oxygen-carrying capacity. Endothelial injury persists for months following smoking cessation; thus, individuals who quit within the past 6 months remain in the positive risk category.

Sedentary Lifestyle (Physical Inactivity) : Physical inactivity is an independent risk factor for all-cause and cardiovascular mortality. The threshold aligns exactly with the definition of regular exercise (30+ minutes, 3+ days/week, for 3+ months).

3. Modifiable Clinical and Metabolic Risk Factors

Obesity : Excess visceral adiposity secretes pro-inflammatory cytokines (e.g., TNF-alpha, IL-6) that accelerate atherogenesis. Waist circumference measures visceral fat directly, whereas BMI reflects overall body density.

Hypertension : Elevated hydrostatic pressure creates mechanical shear stress on arterial walls, damaging the endothelium. Either SBP ≥ 130 mmHg \ge 130\text{ mmHg} ≥ 130 mmHg or DBP ≥ 80 mmHg \ge 80\text{ mmHg} ≥ 80 mmHg qualifies, as does current use of antihypertensive drugs (even if BP is controlled under 130/80 mmHg while on medication).

Dyslipidemia : Elevated LDL-C promotes atherogenic plaque formation within the arterial intima. Low HDL-C impairs reverse cholesterol transport. If a client takes lipid-lowering medication (e.g., statins), dyslipidemia is automatically counted as a positive risk factor.

Diabetes & Impaired Fasting Glucose : Hyperglycemia causes advanced glycation end-products (AGEs) that damage blood vessel walls. ACSM utilizes prediabetes thresholds (fasting glucose 100–125 mg/dL or HbA1c 5.7%–6.4%) as positive risk factors to encourage early lifestyle intervention.

4. Negative (Protective) Risk Factor

High Serum HDL Cholesterol ( ≥ 60 mg/dL \ge 60\text{ mg/dL} ≥ 60 mg/dL ) : HDL particles facilitate reverse cholesterol transport, removing excess cholesterol from peripheral arterial walls and returning it to the liver for excretion. When HDL-C is ≥ 60 mg/dL \ge 60\text{ mg/dL} ≥ 60 mg/dL , it neutralizes one positive risk factor, reducing net risk factor sum by 1.

Rules for Missing or Unknown Risk Factor Data

When evaluating client health records, specific clinical data points may be missing or unknown. ACSM establishes clear administrative rules to prevent underestimating risk:

General Missing Data Rule : If a risk factor criterion is missing or unknown, it must be counted as a positive risk factor (except for High HDL-C, which cannot be assumed).

Specific Diabetes Missing Data Rule : Impaired fasting glucose / diabetes must be counted as a positive risk factor if:

Fasting blood glucose is unknown AND the client is ≥ 45 \ge 45 ≥ 45 years old, OR

Fasting blood glucose is unknown AND the client's BMI is ≥ 25 kg/m 2 \ge 25\text{ kg/m}^2 ≥ 25 kg/m 2 .

• Step-by-Step Scenario Risk Stratification Calculations
• Case Study A: The 47-Year-Old Executive

Data : Male, age 47. Father had MI at age 52. Quit smoking 2 years ago. Walks 45 min, 4 days/wk for 1 year. BMI = 28.5 kg/m 2 28.5\text{ kg/m}^2 28.5 kg/m 2 , Waist = 98 cm 98\text{ cm} 98 cm . SBP = 134 mmHg 134\text{ mmHg} 134 mmHg , DBP = 84 mmHg 84\text{ mmHg} 84 mmHg . LDL = 142 mg/dL 142\text{ mg/dL} 142 mg/dL , HDL = 64 mg/dL 64\text{ mg/dL} 64 mg/dL , Fasting Glucose = 92 mg/dL 92\text{ mg/dL} 92 mg/dL .

Analysis :

• Age: 47 (Men ≥ 45 \ge 45 ≥ 45 ) → \rightarrow → +1 (Positive)
• Family History: Father MI at 52 (First-degree male < 55) → \rightarrow → +1 (Positive)
• Smoking: Quit 2 yrs ago (> 6 mos) → \rightarrow → 0
• Sedentary: Exercises 45 min, 4 days/wk → \rightarrow → 0
• Obesity: BMI 28.5 (< 30) & Waist 98 cm (< 102 cm) → \rightarrow → 0
• Hypertension: SBP 134 / DBP 84 ( ≥ 130 / 80 \ge 130/80 ≥ 130/80 ) → \rightarrow → +1 (Positive)
• Dyslipidemia: LDL 142 ( ≥ 130 \ge 130 ≥ 130 ) → \rightarrow → +1 (Positive)
• Diabetes: Glucose 92 (< 100) → \rightarrow → 0
• High HDL: HDL 64 ( ≥ 60 \ge 60 ≥ 60 ) → \rightarrow → -1 (Negative)

Net Risk Factor Count : 1 + 1 + 1 + 1 − 1 = 1 + 1 + 1 + 1 - 1 = 1 + 1 + 1 + 1 − 1 = 3 Net Positive Risk Factors .

Case Study B: The 56-Year-Old Female Teacher

Data : Female, age 56. Mother had bypass surgery at age 68. Non-smoker. Sedentary. BMI = 32.0 kg/m 2 32.0\text{ kg/m}^2 32.0 kg/m 2 , Waist = 94 cm 94\text{ cm} 94 cm . SBP = 124 mmHg 124\text{ mmHg} 124 mmHg , DBP = 78 mmHg 78\text{ mmHg} 78 mmHg . LDL = 110 mg/dL 110\text{ mg/dL} 110 mg/dL , HDL = 44 mg/dL 44\text{ mg/dL} 44 mg/dL , Fasting Glucose = 106 mg/dL 106\text{ mg/dL} 106 mg/dL .

Analysis :

• Age: 56 (Women ≥ 55 \ge 55 ≥ 55 ) → \rightarrow → +1 (Positive)
• Family History: Mother bypass at 68 (Female < 65 required) → \rightarrow → 0
• Smoking: Non-smoker → \rightarrow → 0
• Sedentary: Does not exercise → \rightarrow → +1 (Positive)
• Obesity: BMI 32.0 ( ≥ 30 \ge 30 ≥ 30 ) & Waist 94 cm (> 88 cm) → \rightarrow → +1 (Positive)
• Hypertension: SBP 124 / DBP 78 (< 130/80) → \rightarrow → 0

Dyslipidemia: LDL 110 & HDL 44 for female (< 50 threshold for female dyslipidemia) → \rightarrow → +1 (Positive for low HDL)

• Diabetes: Glucose 106 ( ≥ 100 \ge 100 ≥ 100 ) → \rightarrow → +1 (Positive)
• High HDL: HDL 44 (< 60) → \rightarrow → 0

Net Risk Factor Count : 1 + 1 + 1 + 1 + 1 = 1 + 1 + 1 + 1 + 1 = 1 + 1 + 1 + 1 + 1 = 5 Net Positive Risk Factors .