Quads
The quadriceps femoris, the large muscle group at the front of the thigh, crucial for lifting the legs and absorbing impact.
What are Quads?
The Quadriceps are the massive muscles on the front of your thigh. They are responsible for extending the knee (straightening the leg) and flexing the hip.
Role in Running
- Uphill: They power you up the incline.
- Downhill: They act as brakes, absorbing huge eccentric forces with every step. This is why your quads are famously sore (DOMS) after a hilly marathon like Boston.
- Stability: They help stabilize the knee cap (patella).
Strength
Weak quads can lead to Runner's Knee. Exercises like squats and lunges help build resilience.
Quads
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Related Terms
DOMS (Delayed Onset Muscle Soreness)
The muscle pain and stiffness that develops 24-72 hours after exercise, especially after unaccustomed or intense workouts.
Hamstring Strain
An injury to the muscles at the back of the thigh, ranging from a mild pull to a full tear.
Runner's Knee
A common overuse injury causing pain around or behind the kneecap, officially called patellofemoral pain syndrome.
Injury & Anatomy
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