Leg Raise

A leg raise lifts one or both legs from a supported position; the version may emphasize hip flexion while the trunk muscles control the pelvis.
Movement and evidence
A leg raise lifts one or both legs from a supported position; the version may emphasize hip flexion while the trunk muscles control the pelvis. Exercise setup and variation change joint demands and muscle contribution. The cited evidence supports specific tested conditions, not universal isolation or one mandatory technique.
Abdominal and hip-flexor activation study · Leg-raise abdominal and hip-flexor study · ACSM resistance-training position stand 2026
Programming and limits
Use a controlled range and a load or pace suited to current ability. Progress according to training response. No exercise alone guarantees injury prevention, body-composition change or faster HYROX® performance.
Abdominal and hip-flexor activation study · Leg-raise abdominal and hip-flexor study · ACSM resistance-training position stand 2026
FAQ
What defines this exercise?
A leg raise lifts one or both legs from a supported position; the version may emphasize hip flexion while the trunk muscles control the pelvis.
Is there one required load or pace?
No. It should match technique, ability and training response.
Repz programs core training that targets your specific race weaknesses. If your running laps are slowing disproportionately, our engine adds hip flexor and core work to maintain your stride through the finish. Start your free plan and run strong to the end.
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