Exercise guide
Shoulder - Transverse Flexion
- Intermediate
- Isolation
- Timed hold
- Back
- Shoulders
This isolation movement targets the anterior deltoids and pectorals by moving the arms across the horizontal plane, improving shoulder mobility and mind-muscle connection. It is an effective bodyweight drill for activating the chest and front shoulders without external resistance.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Stand tall with your feet shoulder-width apart and your core braced.
- Extend your arms out to the sides at shoulder height, parallel to the floor.
- Turn your palms to face forward and maintain a very slight, soft bend in your elbows.
How to do it
- Exhale as you slowly bring your hands together directly in front of your chest, keeping your arms at shoulder height.
- Squeeze your chest and front shoulders hard for one second as your hands meet in the center.
- Inhale as you slowly reverse the movement, returning your arms to the side starting position until you feel a light stretch in the chest.
- Maintain a controlled tempo, taking roughly two seconds to close and two seconds to open.
Form checklist
- Keep your shoulders depressed (down and away from your ears) throughout.
- Ensure your arms do not drop below shoulder height during the movement.
- Keep your torso still; do not lean forward or backward to assist the motion.
- Maintain a neutral spine and avoid arching your lower back.
Pro tips
- To increase muscle fiber recruitment without weights, imagine you are pushing through thick mud or water to create internal resistance.
- Focus on bringing your inner elbows toward each other rather than just your hands to better engage the pectorals and biceps.
Make it harder
- Slow the tempo significantly, using a 5-second count for both the closing and opening phases to increase time under tension.
- Hold the peak contraction at the center for 5-10 seconds on the final rep of each set.
Frequently asked
- What muscles does the shoulder - transverse flexion work?
- The shoulder - transverse flexion primarily targets the deltoids, and also works the rhomboids, serratus anterior, and trapezius as secondary muscles.
- What equipment do you need for the shoulder - transverse flexion?
- The shoulder - transverse flexion requires no equipment — just your body weight.
- Is the shoulder - transverse flexion good for beginners?
- The shoulder - transverse flexion is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.