Dead Bug

Instructions

1
Lie supine on your back on a mat or floor with your head and shoulders resting flat, right arm extended vertically upward, and left leg bent with foot flat on the floor for stability
2
Place your right arm vertically perpendicular to your torso to maintain balance and core engagement throughout the movement
3
Lower the right leg toward the floor by extending the knee from a flexed position, controlling the descent with quadriceps tension, moving into hip extension while maintaining a neutral spine and keeping the lower back pressed into the floor
4
Return to the starting position by flexing the knee and lifting the right leg back up, engaging the quadriceps to bring the thigh toward the chest, then hold briefly before repeating the descent pattern

PRIMARY MUSCLESQuadriceps
SECONDARY MUSCLESIliopsoas, Rectus Abdominis, Tibialis Anterior
EQUIPMENTBody weight
DIFFICULTYBeginner

Overview

Focusing on the Dead Bug allows you to target the Quadriceps with precision. As a foundational Strength, Cardio exercise, the integration of Body weight provides the necessary tension to trigger hypertrophy, while avoiding excessive joint strain.

Benefits

  • Allows for a natural movement path that closely mimics functional daily activities.
  • Acts as a highly scalable Strength, Cardio movement, perfect for both beginners and elite athletes.
  • Utilizes Body weight to create sustained mechanical tension, forcing deep muscle adaptation.
  • Significantly enhances the structural integrity and power of the Quadriceps.

Common Mistakes

  • Failing to achieve a full range of motion, which drastically limits Quadriceps engagement.
  • Using excessive momentum to swing the Body weight rather than controlling the eccentric phase.
  • Shrugging the shoulders or compensating with secondary muscles rather than isolating the Quadriceps.

Pro Tips

Think about pulling from your elbows rather than your hands to better isolate the Quadriceps and minimize bicep/forearm takeover.

Muscle Anatomy

The primary driver is the Quadriceps. However, the movement also recruits Iliopsoas, Rectus Abdominis, Tibialis Anterior to maintain control of the Body weight.

Exercise Variations

  • Dumbbell Dead Bug
  • Cable Dead Bug
  • Banded Dead Bug

Frequently Asked Questions