Glute Ham Sit-Up

Glute Ham Sit-Up Exercise Description

The Glute Ham Sit-up is a bodyweight trunk exercise performed on a glute-ham developer (GHD). It primarily strengthens the hip flexors (especially iliopsoas and rectus femoris) while the abdominals—rectus abdominis and obliques—stiffen the trunk to maintain a neutral lumbar spine. Compared with floor sit-ups, the GHD setup allows a larger hip range of motion, so control and bracing are essential to avoid substituting lumbar extension for hip motion. The goal is to lower the torso in a smooth arc by extending at the hips, then return by flexing at the hips while keeping the ribs stacked over the pelvis. Executed well, it builds powerful hip flexion and anterior core control useful for athletic movements that demand trunk stiffness and posture under motion.

Muscle Groups: Hips, Quads
Target Muscles: Iliacus, Psoas Major, Rectus Femoris
Assisting Muscles: Sartorius, Tensor Fasciae Latae
Stabilizing Muscles: External Obliques, Internal Obliques, Rectus Abdominis
Body Area: Lower Body
Body Parts: Hips, Legs, Upper Legs
Body Surface: Front
Body Symmetry: Other
Equipment: Bodyweight
Exercise Patterns: Other
Exercise Type: Strength
Functional Grouping: Hip Flexors, Knee Extensors
Joint Involvement: Single-joint
Muscle Location: Front Quad, Hip Flexor
Movement Direction: Vertical
Muscle Position: Anterior
Gender: Female

How To Do The Glute Ham Sit-Up Exercise

‘- Adjust the GHD so the front edge of the pad sits just behind your glutes; hips are free beyond the pad.
– Secure feet between the rollers with shins vertical and knees slightly bent; toes straight ahead.
– Start tall with the torso upright. Cross arms over chest to limit momentum.
– Set ribs down, brace the abdominal wall, and keep a neutral spine and level pelvis; eyes on the horizon.
– Inhale gently; lower in a controlled arc by extending at the hips, not by arching the low back.
– Descend until the torso is roughly in line with the legs (or only as deep as you can maintain neutral).
– Reverse by driving hip flexion to bring the chest back over the pelvis; keep the spine neutral.
– Avoid swinging the arms, throwing the head back, or letting the ribs flare.
– Finish tall with stacked ribs‑over‑pelvis; glutes lightly engaged to stop at neutral.
– If you lose trunk tension or feel the low back arch, reduce range and rebuild control.

Glute Ham Sit-Up Tips

‘- Set the GHD so the front edge of the pad sits just behind your glutes so your hips are free beyond the pad.
– Secure your feet with shins vertical, knees slightly bent, and toes pointing straight ahead.
– Start tall with your torso upright and arms crossed over your chest to limit momentum.
– Set your ribs down, brace your abdominal wall, and keep a neutral spine and level pelvis with eyes on the horizon.
– Inhale gently before lowering.
– Lower your torso in a smooth, controlled arc by extending at the hips, not by arching your low back.
– Descend only until your torso is roughly in line with your legs, or as deep as you can while maintaining a neutral spine.
– If you lose trunk tension or feel your low back arch, reduce your range of motion and rebuild control.
– Reverse the motion by driving hip flexion to bring your chest back over your pelvis while keeping your spine neutral.
– Finish tall with ribs stacked over your pelvis and glutes lightly engaged to stop at neutral.

Glute Ham Sit-Up Beginner Introduction

The Glute Ham Sit-up uses bodyweight on a glute-ham developer (GHD) to challenge the front of the hips and midsection through a long, controlled movement. With the hips positioned just past the pad and the feet locked in, the upper body travels in a gentle curve, creating a noticeable hip bend rather than simply curling through the spine. The setup allows more motion at the hips than a typical floor sit-up, so the exercise emphasizes steady, deliberate movement instead of swinging or using momentum.

During each repetition, the hip flexors do most of the lifting while the abs and side abs act like a stabilizing corset, helping the lower back stay in its natural alignment. The goal is a strong, unified torso that moves as one piece over the hips. When performed with consistent control, this pattern builds powerful hip flexion and solid front-core stability that carries over well to sports and activities where posture, balance, and body control are tested under dynamic conditions.