Glute Ham Developer Full Sit Up
Glute Ham Developer Full Sit Up Exercise Description
The Glute-Ham Developer (GHD) Full Sit-Up is an advanced bodyweight trunk and hip-flexion exercise performed on a GHD. With the hips positioned just in front of the pad, the torso lowers behind the vertical line of the body, creating a longer lever and greater demand for control than floor sit-ups. Primary work comes from the hip flexors (iliopsoas and rectus femoris) and the rectus abdominis, with the obliques assisting in trunk control. The glutes and hamstrings contribute by stabilizing the pelvis, especially during the descent. The key objective is to move through a controlled range while maintaining a neutral lumbar spine and consistent rib-to-pelvis position, avoiding excessive arching at the lower back. This variation is best executed with deliberate pacing and precise positioning to emphasize quality of movement over momentum.
- Muscle Groups: Abs, Core, Hips, Quads, Waist
- Target Muscles: Iliacus, Psoas Major, Rectus Abdominis, Rectus Femoris
- Assisting Muscles: External Obliques, Internal Obliques
- Stabilizing Muscles: Biceps Femoris - Long Head, Gluteus Maximus, Semimembranosus, Semitendinosus
- Body Area: Lower Body, Upper Body
- Body Parts: Core, Hips, Legs, Torso, Upper Legs
- Body Surface: Front
- Body Symmetry: Bilateral
- Equipment: Bodyweight
- Exercise Patterns: Hinge
- Exercise Type: Strength
- Functional Grouping: Hip Flexors, Knee Extensors, Trunk Flexors
- Joint Involvement: Multi-joint
- Muscle Location: Front Quad, Hip Flexor, Stomach
- Movement Direction: Vertical
- Muscle Position: Anterior
- Gender: Male
How To Do The Glute Ham Developer Full Sit Up Exercise
‘- Adjust the footplate so the ankle pads are snug and your hips sit just in front of the front edge of the thigh pad.
– Set up tall with the torso upright, knees slightly bent, ribs stacked over pelvis; cross arms over chest or lightly touch fingertips to temples.
– Brace the abdominal wall as if preparing for a cough; keep a neutral neck (chin slightly tucked).
– Begin the descent by hinging at the hips while keeping the trunk braced; lower the torso as one unit behind the pad without arching the lower back.
– Descend only to a range where you can keep ribs down and lumbar spine neutral (often slightly past parallel to the floor).
– Reverse by bringing ribs toward pelvis and flexing at the hips to sit up; keep the torso moving as one piece without kipping or throwing the arms.
– Finish tall with the torso vertical, glutes lightly engaged, and pelvis level; pause to re-brace before the next rep.
– Common cues: keep eyes forward, avoid pulling on the head, do not overextend at the bottom, and maintain consistent foot/ankle pressure against the pads.
Glute Ham Developer Full Sit Up Tips
‘- Adjust the footplate so the ankle pads are snug and your hips sit just in front of the front edge of the thigh pad.
– Set up tall with knees slightly bent and ribs stacked directly over the pelvis before you begin moving.
– Cross your arms over your chest or lightly touch your fingertips to your temples rather than pulling on your head.
– Brace the abdominal wall as if preparing for a cough, and pause to re-brace at the top before each new rep.
– Keep a neutral neck with the chin slightly tucked and eyes forward throughout the movement.
– Initiate the descent by hinging at the hips while keeping the trunk braced, lowering the torso as one unit behind the pad.
– Avoid arching the lower back by keeping the ribs down and maintaining a neutral lumbar spine.
– Descend only as far as you can while keeping the lumbar spine neutral—often just slightly past parallel to the floor.
– On the way up, bring the ribs toward the pelvis and flex at the hips, keeping the torso moving as one piece without kipping or throwing the arms.
– Finish each rep tall with the torso vertical, glutes lightly engaged, pelvis level, and steady foot/ankle pressure against the pads.
Glute Ham Developer Full Sit Up Beginner Introduction
The Glute-Ham Developer (GHD) Full Sit-Up is a challenging core movement done on a GHD bench, where the upper body travels much farther than in a standard floor sit-up. With the hips resting close to the edge of the pad, the torso drops back so the body extends into a longer lever, which increases the demand on the midsection and hips. Most of the effort comes from the hip flexors and abs, while the side abs assist in guiding the trunk. The glutes and hamstrings play a supporting role by steadying the pelvis, especially as the body lowers.
This exercise highlights controlled motion rather than speed or momentum. The trunk is intended to move as one solid unit, with the relationship between the ribs, hips, and lower back staying steady throughout the rise and fall. Attention to smooth pacing and body alignment helps promote a strong, stable midsection while challenging both the front of the hips and the core through a large range of motion.