Comment Anterior Chain for the guide Every stride you take. Every jump you land. Your anterior chain is either working for you or costing you. Most runners and jumpers train their posterior chain obsessively .. glutes, hamstrings, calves. And they should. But when the anterior chain breaks down the whole system leaks. Here’s what that looks like: Your hip flexors can’t drive the knee forward with power. Your quads can’t absorb and return force through the knee. Your core can’t transfer load from the ground up. The result,slower times, lower jumps, and eventually injury. The anterior chain isn’t just your quads. It’s a line of tissue from your foot all the way to your neck that has one job, absorb force, store it, and return it explosively. When it’s trained correctly: → Ground contact time drops → Stride power increases → Landing mechanics clean up → Knee and hip flexor injuries stop recurring You don’t need more miles. You don’t need more plyometrics. You need a system that trai...