The 12-Week Strength Training Program

Why Strength Training Matters on GLP-1 Therapy

GLP-1 medications (such as semaglutide or tirzepatide) are highly effective for weight loss, but research shows that a meaningful portion of the weight lost can come from lean muscle mass, not just fat — especially without a structured resistance training routine. This matters more for women 35 and older, who are also navigating natural, age-related declines in muscle mass and bone density.

This program is designed to help you:

• Preserve and build lean muscle mass while losing fat
• Support metabolic rate, so weight loss is more sustainable long-term
• Protect bone density and joint health
• Maintain strength and function for everyday life
• Feel strong, capable, and confident in your body

No experience needed. Every exercise includes both a home option (using resistance bands and dumbbells) and a gym option (using beginner-friendly machines), so you can train wherever is most convenient.

General Guidelines

Equipment for Home Workouts

• Resistance bands — a light, medium, and heavy loop band, plus one long band with handles
• Dumbbells — one light pair (3–8 lb) and one moderate pair (8–15 lb); you'll add heavier pairs over time
• A yoga mat or soft, flat surface
• A sturdy chair or countertop for balance support

Equipment for Gym Workouts

• Leg Press, Chest Press, Seated Row, Lat Pulldown, Shoulder Press, and Hip Thrust or Glute machines
• A cable station (for pull-throughs, curls, triceps pushdowns)
• Most large gyms have all of these; a staff member can show you how to adjust seat height and pin weight the first time

How to Train

• Warm up for 5–10 minutes before every session (brisk walk, marching in place, arm circles, bodyweight squats)
• Prioritize good form over how much weight or resistance you're using — a lighter load done well builds more muscle safely than a heavy load done poorly
• Rest at least one full day between sessions that work the same muscle groups
• Aim for a Rate of Perceived Exertion (RPE) of 6–8 out of 10 in the working sets — challenging, but you could still do 2–3 more reps if you had to
• Progress by increasing reps first, then move to a heavier dumbbell or stronger band, then add an additional set
• Stay hydrated and, when possible, eat a small source of protein within a couple of hours of training — ask your care team or a dietitian for guidance specific to you
• Cool down with 5 minutes of light stretching for the muscles you trained

The Progressive Overload Method

Progressive overload simply means gradually asking your muscles to do a little more over time. It's the single most important driver of building and preserving muscle — more important than any specific exercise. Without it, your body has no reason to maintain or build the muscle you're working to protect during weight loss.

This program progresses you using four levers, introduced in this order:

1. Reps first — once you can do all sets at the top of the rep range with good form, that's your cue to move on
2. Resistance (load) second — increase to the next dumbbell size or a stronger band, then drop back to the bottom of the rep range and build back up
3. Sets third — an extra set is added in Phase 3 once the basics feel manageable
4. Rest last — shortening rest slightly in later phases increases the overall challenge without changing weight

Program Overview

The program is divided into three 4-week phases that gradually increase in intensity as your strength and confidence build. Each phase includes 2–3 workouts (labeled A, B, C) that you rotate through across the week, always leaving at least one rest or light-activity day between sessions targeting the same muscles.

Phase 1: Weeks 1–4 — Foundation

Frequency: 2 non-consecutive days per week (e.g., Monday & Thursday). Sets x reps: 2 x 12–15. Rest: 60–90 seconds. RPE: 5–6 (comfortably challenging).

Weekly schedule example: Workout A on day 1, Workout B on day 2 of that week (e.g., Monday and Thursday). Repeat A/B each week for 4 weeks, adding 1–2 reps per set as things feel easier.

Phase 2: Weeks 5–8 — Building

Frequency: 3 non-consecutive days per week (e.g., Monday / Wednesday / Friday), rotating A/B/A one week and B/A/B the next. Sets x reps: 3 x 10–12. Rest: 60–75 seconds. RPE: 6–7.

Increase resistance (heavier dumbbell or stronger band) once you can complete all sets at the top of the rep range with good form for two sessions in a row.

Phase 3: Weeks 9–12 — Progression

Frequency: 3–4 days per week, rotating Workouts A / B / C. Sets x reps: 3–4 x 8–12. Rest: 75–90 seconds. RPE: 7–8.

Example 4-day week: A (Monday), B (Tuesday), rest (Wednesday), C (Thursday), A (Friday), rest (Saturday/Sunday). Continue increasing resistance week to week as sets feel manageable at the higher end of the rep range.

Track Your Progress

Keep a simple weekly log of how sessions feel and the resistance you used — it's the easiest way to see the progressive overload working, and it's worth bringing to follow-up appointments so your care team can see how training is going. For each week, note the workout, how it felt, the resistance used, your energy level (1–10), and the date completed. Print this page to use the log on paper.

This program is intended as a general educational starting point for beginner exercisers and should be personalized by a qualified healthcare provider, physical therapist, or certified trainer as needed for individual medical history, injuries, or mobility limitations.

Fuel the Program

Training is half the equation — our high-protein, high-fiber food guide covers the eating side, and the grab-and-go grocery checklist makes shopping for it easy.

This information is for general education only and is not a substitute for medical advice. Always follow the guidance of your Contour Health care team, and message us with any questions.