Muscle & Motion
The #1 resource for everyone who wants to teach, learn, and understand the anatomy & biomechanics of movement.
Muscle&Motion is one of the most complete resources on muscular and anatomical dynamics in the world. With thousands of hours of detailed 3D animated video of muscle functions and movement, our apps and resources help personal trainers, athletes, fitness coaches, anatomy students, physical and massage therapists, educators, and fitness enthusiasts enhance their knowledge of muscle movement. Today,
21/06/2026
Happy International Yoga Day! 🧘
To celebrate, we’re offering 30% off annual subscriptions, today only.
Use code YOGADAY at checkout on muscleandmotion.com
Link in bio and story🙏
Struggling with Double Under? We’ve Got You Covered!
Getting stuck on the rope? Timing is everything! ⏳
Here’s the trick: When the rope is in front of you, just below 90 degrees, that’s your cue to jump!
This perfect timing lets the rope pass smoothly and effortlessly under your feet twice.
Tag a friend who’s struggling with double unders and help them finally get it right! 👇🔥
🎥✨ Check out the front-loaded reverse lunge with our latest animation! 💪
👀 In the animation, the colors highlight the role of each muscle:
🔴 Red represents the target muscles.
🩷 Pink shows the synergist muscles, assisting in the movement.
🟫 Brown indicates the stabilizing muscles keeping you steady.
💡 Want to perfect your lunges and build full-body strength?
Check out the Muscle & Motion Strength Training App link in bio!
Lying Triceps Extension: Stop Using Your Shoulders! 🚫
Trying to build bigger triceps? Be careful - more shoulder movement isn’t better.
You might think, “But the long head of the triceps crosses the shoulder; doesn’t shoulder movement help stretch it for more hypertrophy?”
✅ Technically, yes, but here’s the problem:
❌ When the shoulder moves excessively, muscles like the posterior deltoid and lats start helping, shifting the load away from the triceps.
❌ Plus, this movement reduces the range of motion at the elbow, where the triceps should be doing the real work.
So instead of amplifying the stimulus, you lose tension on the muscle you’re trying to target.
🔥 The fix?
Keep your shoulders stable. Focus on isolating the elbows; that’s how you fully engage the triceps and get maximum benefit from each rep.
💡 Want to train smarter with 3D anatomy and expert tips?
Check out the Muscle & Motion Strength Training App link in bio!
The World Cup is here. ⚽
Congratulations to all the teams and athletes stepping onto the world stage.
At Muscle & Motion, we celebrate the movement, power, coordination, and dedication behind every moment of the game.
Wishing all teams an incredible tournament.💪🏆
Hammer Curls: See Your Muscles in Action! 💪
Our cutting-edge animation brings the hammer curl to life, showing exactly how this exercise works to target the brachioradialis.
The neutral (hammer/mid) grip positions the brachioradialis as the primary mover, while the brachialis and biceps brachii act as synergists to support elbow flexion. This unique focus makes the hammer curl essential for balanced arm development.
🚀 Unlock the biomechanics of every rep with the Muscle & Motion Strength Training App - link in bio!
Stop Cheating Your Shoulders! 💥
Many people make this common mistake in the cable single-arm lateral raise: they swing the weight and lean their torso to the opposite side.
❌ This shifts the load away from the deltoid and turns a shoulder exercise into a trunk workout.
Why does it happen?
➡️ The weight is too heavy
➡️ The body compensates with momentum and side flexion
✅ To fix it:
✔️ Keep your torso upright and stable
✔️ Lift your arm slowly and with control
✔️ Let the middle deltoid do the job
💡 Want to train smarter?
Explore the Muscle & Motion Strength Training app, designed for trainers, physiotherapists, and fitness enthusiasts alike.
Link in bio🔗
Are You Shrugging During Pulldowns? 🤔
Keeping the scapulae elevated during the pulldown limits latissimus dorsi engagement.
Remember! The latissimus dorsi pulls the arms down and assists in scapular depression.
✅ To perform it correctly:
Avoid shrugging! Let the scapulae depress and slightly retract as you pull the bar down for full lat activation and efficient movement.
Discover the Muscle & Motion Strength Training App - link in bio!
Lat Pulldown - The Classic Back Builder 💪
The wide-grip lat pulldown is a staple exercise for targeting the latissimus dorsi. It helps you build a strong, broad back and achieve that well-defined V-taper look.
It’s also an excellent tool for building strength for pull-ups and other upper-body pulling movements.
💡 Want to train smarter and get expert insights on biomechanics?
Discover more on the Muscle & Motion Strength Training App - link in bio!
Click here to claim your Sponsored Listing.
Category
Contact the practice
Website
Address
Azor