Biomechanics and Events of the Sit-to-Stand

The video tutorial explains the biomechanics of the sit-to-stand movement, breaking it down into four phases: flexion momentum, momentum transfer, extension, and stabilization. Each phase involves specific muscle activities and biomechanical considerations to ensure a smooth transition from sitting to standing. The tutorial highlights the importance of trunk flexion, momentum transfer, and muscle activation, particularly in the quadriceps and ankle muscles, to achieve a stable standing position.

What happens during the extension phase of the sit to stand movement?

Why is it important to maintain stability after standing up?

Discuss the concept of reactive postural adjustments (RPA) in the context of standing.

What is the role of the gastrocnemius and soleus during the final phase of standing?