Speed Improvement Focus: MUSCLE IMBALANCE AND SPEED

MUSCLE IMBALANCE AND SPEED

The major focus on muscle imbalance in the past has been between joint agonists and antagonists such as the quadriceps (generally well developed in sprinters) and hamstrings (underdeveloped in most athletes). A quadriceps/hamstrings ratio of 60: 40 has been recommended to prevent injury and provide optimal function. Ratios are also suggested for the biceps/triceps and other muscle groups. Numerous activities and exercises produce strength increases in agonistic muscle groups without a corresponding increase in the antagonistic muscle group. It is difficult to determine just how much a quadriceps/hamstrings imbalance and upper body imbalances of this nature affects speed in short sprints.

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