A standing bodyweight exercise combining alternating knee lifts with opposite-arm movement and trunk rotation. It engages the abdominal muscles and hip flexors while adding coordination and rhythmic movement to a warm-up or conditioning session.
Stand upright with your feet about hip-width apart and your arms by your sides.
Raise your right knee while bending your left arm to bring the left elbow toward the knee.
Rotate your trunk slightly toward the raised knee while balancing on the supporting leg.
Lower the leg and arm and return to the upright starting position.
Repeat with your left knee and right elbow.
Continue alternating in a controlled rhythm without jumping.
Gently brace your abdomen to control the trunk rotation.
Your elbow does not need to touch your knee; use a comfortable knee height.
Return your foot fully to the floor before changing sides.
Establish the coordination before increasing the pace.
Exhale as you raise the knee and inhale as you return.
Keep your shoulders relaxed and avoid pulling your head toward the knee.
Bringing together the knee and elbow on the same side instead of opposite sides.
Jerking the neck or rounding excessively to reach the knee.
Leaning off the supporting leg or losing balance by moving too fast.
Adding hops instead of controlled alternating knee lifts.
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