What does the exercise Grasshopper primarily strengthen?

The exercise Grasshopper primarily focuses on strengthening the spine and the hip extensors. This is due to the nature of the movement involved in Grasshopper, which requires stability and strength to maintain body alignment while engaging the posterior chain, particularly during actions that extend the hips.

In this position, the muscles of the spine are activated to support and stabilize, while the hip extensors, including the gluteus maximus and hamstrings, work to perform the movement, typically involving lifting and lengthening the legs. Strengthening the spine enhances posture and support for the body, promoting functional movement patterns. Additionally, engaging the hip extensors is crucial for activities that involve lifting the legs, running, and overall lower body strength.

Essentially, this exercise serves to build a strong foundation in both the spine and the hip area, which is vital for many aspects of movement both in Pilates and everyday activities.