Quads Training for the Slim Woman: 135 to 160 lbs, Recomp Phase

For a woman at 135 to 160 pounds in a recomp, I train quads with squats, narrow-stance leg presses, leg extensions and walking lunges. Do it on lower body days of a four-day upper/lower split, add weight when every set reaches the top of the rep range, and expect visible change in about 8 to 12 weeks.

Slim is my name for women between 135 and 160 pounds, usually a pear, hourglass or inverted triangle shape, in a recomp phase: losing fat and building muscle at the same time on 1,700 to 2,000 calories and 120 to 145 grams of protein a day.

If you’re a woman at 135 to 160 pounds who wants legs that look athletic from the front, the quads are where that work happens, and specifically the vastus medialis, the teardrop-shaped muscle above your inner knee, which is the most visible marker of a trained lower body that most people have never deliberately targeted.

What muscles are you training in your quads?

The quadriceps are four muscles on the front of your thigh. The rectus femoris is the only quad that crosses your hip joint, it both extends your knee and flexes your hip, making it the most functional for athletic performance. The vastus lateralis runs along your outer thigh and creates the outer sweep visible from the front and side. The vastus medialis (VMO) sits at your inner front thigh above your knee and is responsible for the teardrop definition that separates a trained lower body from an untrained one. The vastus intermedius lies beneath the others. All four muscles extend your knee, they straighten your leg from a bent position.

VMO emphasis requires specific positioning: narrow stance, full depth, and terminal knee extension exercises.

How does body shape change quads training?

Pear Shape

Your thighs carry more fat tissue, which means quad development will take longer to become visible. Prioritize progressive overload, increasing resistance consistently, rather than high-rep, light-weight approaches. The resistance drives muscle development that will become visible as fat reduces through recomp. Timeline: 12 to 16 weeks for VMO definition to emerge.

Hourglass Shape

Balanced development. Full quad protocol. Timeline: 8 to 12 weeks for visible VMO definition.

Inverted Triangle Shape

Lower body volume is the goal. High-volume quad training develops the thigh mass that creates lower body balance. All four exercises at full volume. Timeline: 10 to 12 weeks for visible thigh development.

What is the exact quads workout for Slim?

Exercise 1: Back Squat or Goblet Squat

For goblet squat: hold a dumbbell vertically against your chest with both hands. Stand feet shoulder-width, toes slightly turned out. Push your knees outward over your toes as you lower, this keeps your knees tracking properly and creates the full depth needed for VMO engagement. Descend until your thighs are parallel to the floor or lower. Drive through your heels to return to standing.

Sets: 4. Reps: 8. Rest: 2 minutes. Starting weight goblet: 25 to 35 pounds. Starting weight barbell: 65 to 85 pounds. Progressive overload: add 5 pounds every two sessions on barbell, 5 pounds monthly on goblet. Common mistake: heels rising, indicates tight ankle mobility. Raise heels slightly on a 25-pound plate until mobility improves.

Exercise 2: Leg Press (Narrow Stance)

On a leg press machine, place your feet in the lower-center of the platform at hip width, narrower than your typical stance. This narrow positioning emphasizes the vastus lateralis and VMO more than a wide stance. Lower the platform toward your chest until your knees reach 90 degrees, do not allow knees to cave inward. Press back to near lockout.

Sets: 3. Reps: 12. Rest: 90 seconds. Starting weight: 90 to 130 pounds on the sled. Progressive overload: add 10 pounds when all sets are completed. Common mistake: allowing too small a range of motion, descend to 90 degrees consistently.

Exercise 3: Leg Extension (Terminal Range Focus)

On a leg extension machine, extend both legs to full lockout. At lockout, full knee extension, hold for 2 seconds and actively flex your quads as hard as possible. Lower under control. The VMO reaches peak activation at full knee extension. The 2-second hold with active flexion is the specific stimulus for VMO development that most people skip.

Sets: 3. Reps: 15. Rest: 60 seconds. Starting weight: 30 to 50 pounds. Progressive overload: add 5 pounds when all 3 sets of 15 are completed with a full 2-second lockout. Common mistake: omitting the lockout hold, this removes the VMO’s primary training stimulus.

Exercise 4: Walking Lunge

Hold dumbbells in both hands, standing upright. Step forward with your right foot and lower your left knee toward the floor. Your front knee should track over your second toe, not collapse inward. Push through your front heel to step forward and bring your back foot forward into the next lunge step. Walking lunges develop your quads through a greater range of hip and knee motion than any stationary exercise.

Sets: 3. Reps: 12 steps per leg. Rest: 90 seconds. Starting weight: 15 to 20 pounds per hand. Progressive overload: add 5 pounds per hand when all reps are completed with upright posture. Common mistake: forward trunk lean, stay upright to shift load to your quads rather than hip flexors.

What should you expect at week 1, week 4 and week 12?

Week 4: Quad soreness in the VMO region that is new if you have not specifically trained it before. Squat depth and strength improving.

Week 12: Visible VMO definition above your inner knee in shorts or fitted clothing. Outer thigh sweep visible in side-profile views.

What should you read next?

Pair this with Slim glutes training and Slim hamstrings training, and see the high protein diet for Slim. To work with me, start with the XPL quiz, which is my intake form for every client and confirms whether Slim is your category, then see coaching options and pricing.

Written by Zavier King, personal trainer in Houston and online coach at XPL. ISSA Certified Personal Trainer and NASM Nutrition Coach.