90/90 Hamstring primarily targets the Hamstrings. It also engages the Calves as secondary muscles. This makes it an effective stretching exercise for building hamstrings development.
No. The 90/90 Hamstring is a bodyweight exercise that requires no equipment. It can be performed anywhere with enough space.
Yes. The 90/90 Hamstring is a beginner-friendly exercise. Focus on proper form before adding weight or intensity. It's a great movement to include early in your training.
Hold the 90/90 Hamstring for 20-30 seconds per side, repeating 2-3 times. Stretch after your workout or on rest days when your muscles are warm. Never bounce or force a stretch past your comfortable range of motion.
Good alternatives include the Alternating Hang Clean, Ball Leg Curl, Band Good Morning. These exercises target similar muscle groups (Hamstrings) and can be substituted based on available equipment or training preference.
Best for: Building practical strength and adding focused work for Hamstrings, Calves. Use it when the movement fits your goal, equipment, and recovery.
Programming tip: Start with a load you can control for every rep. Add reps before adding weight, and keep the last rep clean enough that you could repeat the movement next week.
Common mistake: Chasing heavier weight before the setup, range of motion, and tempo are consistent. If the rep changes every set, the log stops telling the truth.
Track it: Log weight, reps, sets, and one short note about form or difficulty. Over time, those notes explain plateaus better than motivation quotes ever will.
