The Ultimate Guide to Warming Up Before You Train | Elevate Fitness

Created by Derick Dinh on July 2, 2025

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Warming up is one of the most underrated parts of any workout routine. You might be tempted to skip it to save time or because you feel “ready” — but the truth is, warming up properly doesn’t just prevent injury, it directly improves performance, enhances muscle activation, and primes your body to make better gains.

Let’s break down everything you need to know about warm-ups:

  • Why they matter
  • How to do them efficiently
  • Warm-up set structure
  • What exercises need them — and which don’t
  • Special considerations for different lifts and muscle groups
Warming Up Before Training

✅ Why You Need to Warm Up

A proper warm-up is about more than just moving around — it’s about physiological and neurological readiness.

Here’s what happens when you warm up properly:

  • Increased blood flow delivers oxygen and nutrients to muscles
  • Elevated core temperature enhances muscle elasticity and range of motion
  • Better synovial fluid flow lubricates your joints and reduces friction
  • Enhanced neuromuscular efficiency improves strength and power output
  • Mental focus improves — you’re not just physically ready, but mentally locked in

Without warming up, your first few sets suffer, your movement is stiffer, and you’re more prone to injury, especially in the shoulders, knees, hips, and lower back.

Dynamic Warm-Up

🧠 The Two-Part Warm-Up System

There are two components to a complete warm-up:

  1. General Warm-Up — raise body temperature and get the blood flowing
  2. Specific Warm-Up — activate and prepare the exact muscles and movements you’re about to train

You can adapt the depth of each based on your session type, time available, and training environment.

🔁 Long-Form Warm-Up (Best for Heavy or Cold Starts)

Ideal for:

  • First workout of the day
  • Strength-focused training
  • Heavier compound lifts
  • Cold climates or stiff joints

1. General Warm-Up (5–7 mins)

Choose any low-impact movement that elevates your heart rate:

  • Treadmill walk (5–10% incline)
  • Stationary bike
  • Rowing machine
  • Jump rope or dynamic skipping
  • Dynamic bodyweight exercises (lunges, arm swings, air squats)

🔥 Goal: Break a light sweat, elevate heart rate, improve joint mobility

2. Specific Warm-Up: Movement Prep + Warm-Up Sets

Once blood is flowing, it’s time to prime the muscles and joints you’ll actually be using. Here’s how:

➤ Warm-Up Sets for First Exercise of a Muscle Group

This structure should be used any time you’re doing the first major lift for a new muscle group — even if it’s not the first exercise of your session.

Warm-Up Set % of Working Weight Reps
1 ~40% 10–12 reps
2 ~60% 6–8 reps
3 ~75% 3–5 reps
4 (Optional) ~85–90% 1–3 reps

🧠 Example: If your first back movement is barbell rows, do these warm-up sets even if you’ve just trained chest. Your back needs its own warm-up regardless of prior effort elsewhere.

⚡ Short-Form Warm-Up (When You’re Already Warm or On a Time Crunch)

Ideal for:

  • Warm environments
  • Hypertrophy-style training (moderate reps/volume)
  • Later sessions in the day
  • Experienced lifters with good joint mobility

Skip the general cardio and go straight to warm-up sets:

Warm-Up Set % of Working Weight Reps
1 ~50% 8–10 reps
2 ~70% 4–6 reps
3 (Optional) ~85% 2–3 reps

This warm-up gets you ready without over-fatiguing. Keep rests short (30–60 seconds) and focus on control and range of motion.

Short Warm-Up Sets

🧠 Do You Need Warm-Up Sets for Every Exercise?

❗ Yes — For:

  • First exercise of every new muscle group, even if it’s not the first movement of your workout
  • All major compound lifts (squat, deadlift, bench press, overhead press, barbell rows, etc.)
  • Any movement involving multiple joints, heavier loads, or greater skill demand

Each muscle group and movement pattern deserves its own warm-up prep, especially for big lifts where technique and joint stability are critical. Your nervous system and joints must be “dialed in” specifically for the task ahead.

✅ Minimal Warm-Up — For:

  • Second or third exercise for the same muscle group
  • Example: After flat bench press, your pecs, triceps, and shoulders are already warm. For incline dumbbell press, you may only need 1 light set to groove the new movement pattern.

    Goal: Rehearse the motion, assess joint readiness, then start working sets.

  • Stable exercises on machines
  • These require less coordination demands

    Goal: Rehearse the motion, assess joint readiness, then start working sets.

  • Isolation exercises (e.g., lateral raises, curls, triceps extensions, leg curls)
  • These typically involve:

    • Lower loads
    • Simpler joint mechanics
    • Smaller muscle groups

Warm-up sets can still be smart — and sometimes necessary — especially if:

  • You’re lifting heavier weights (e.g., heavy dumbbell curls)
  • You’re using strict form with high intensity (close to failure)
  • You have sensitive joints or prior injuries (like shoulders or elbows)

🔹 Recommendation:

For most isolation exercises, perform 1–2 warm-up sets at 60–80% of your working weight for 4–6 reps. This wakes up the muscles, checks your technique, and protects your joints — especially important for strong or advanced lifters.

Rule of thumb:

  • New muscle group = full warm-up progression
  • Same muscle group = 1 lighter set is usually enough
  • Isolation = 1–2 warm-up sets

🔍 Quick tip: If you’re doing an exercise for a muscle that has been secondarily worked, for example, bicep curls after rows or pull-ups, your biceps are already pre-activated. A single light warm-up set is all you need.

🔧 Special Considerations: Muscles That Need More Warming Up

Some areas are more prone to injury or stiffness and may need additional prep, even for isolation movements.

Muscle/Joint Area Why It Needs More Prep Suggested Add-Ons
Shoulders High mobility, prone to impingement Band pull-aparts, dislocates
Knees Joint stress in squats, lunges Leg extensions, glute bridges
Hips Key for squats/deadlifts, mobility-heavy Hip openers, dynamic lunges
Lower Back Stability and support for compound lifts Bird-dogs, light back extensions

💡 Final Thoughts: Warm Up with Purpose

A warm-up isn’t something you “get through” — it’s part of your training. When done properly, it:

  • Makes your first working sets feel better
  • Reduces risk of injury
  • Enhances performance and muscle activation
  • Sets the stage for consistent, long-term progress

Whether you’re lifting heavy or chasing hypertrophy, a smart warm-up ensures your body is primed to perform at its best. Don’t skip it — invest 5–10 minutes to elevate your training and your gains.