Jessica Biel's Upper-Body Blueprint Revealed: How She Got Toned for "The Better Sister"

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  Health and Fitness on Mon, Nov 24th, 2025 by Woman & Home
      Locale: UNITED STATES

Jessica Biel’s Upper‑Body Blueprint: How the Actress Got Toned for “The Better Sister”

When fans first heard that Jessica Biel was preparing for her next big role in the upcoming series “The Better Sister,” speculation quickly turned to her fitness routine. A recent interview with MSN gave Biel the chance to walk us through the exact upper‑body regimen that has helped her achieve the lean, sculpted look she now sports on the red carpet. Below, we unpack the key components of her routine, the science behind it, and how you can adapt it to your own training goals.

1. The Context: “The Better Sister” and a Fresh Challenge

“The Better Sister” is a new drama series produced by Netflix that follows the life of a young woman who unexpectedly inherits a family legacy. Biel’s character is a dynamic blend of strength and vulnerability, requiring a body that can perform a range of actions— from fast, athletic moves to softer, intimate scenes. Biel herself has said that her goal was to “feel powerful in my skin” rather than simply to look a certain way.

In the interview, she clarified that her primary objective was not a dramatic drop in weight, but a balanced improvement in strength, endurance, and posture— all of which play a role in both on‑screen performance and daily life.

2. The Warm‑Up: 10 Minutes of Functional Mobility

Biel starts every session with a 10‑minute warm‑up to prime her shoulder joints and activate core muscles. The routine includes:

The warm‑up is a critical piece of her program because it reduces the risk of shoulder injury— a common issue for anyone doing repetitive upper‑body work. The band pull‑apart, in particular, is a low‑intensity exercise that trains the rear deltoids and upper back, which are essential for a balanced physique.

3. The Core Upper‑Body Routine

Biel’s routine is built around a classic push‑pull split, with an emphasis on compound movements that target multiple muscle groups simultaneously. The workout takes about 45–50 minutes and is broken into three primary sections:

A. Push‑Day (Chest, Shoulders, Triceps)

1. Weighted Push‑Ups – 4 sets × 12–15 reps
   Biel uses a weighted vest to increase resistance. The push‑up is an excellent compound exercise that engages the pectorals, anterior deltoids, and triceps.

2. Incline Bench Press – 3 sets × 10–12 reps
   Using a barbell, the incline bench targets the upper chest and shoulders.

3. Cable Chest Flys – 3 sets × 12–15 reps
   She emphasizes a controlled squeeze at the peak of each rep to maximize muscle tension.

4. Dumbbell Lateral Raises – 3 sets × 15–20 reps
   These isolate the middle deltoids for width.

5. Tricep Rope Push‑downs – 3 sets × 15–20 reps
   A finishing exercise that works the triceps' long head.

B. Pull‑Day (Back, Biceps)

1. Pull‑Ups – 4 sets × 8–10 reps (assisted if necessary)
   Pull‑ups are a staple for building lat width.

2. Bent‑Over Barbell Rows – 4 sets × 10–12 reps
   Targets the upper and middle back.

3. Seated Cable Rows – 3 sets × 12–15 reps
   Focusing on a full contraction.

4. Face Pulls – 3 sets × 15–20 reps
   Essential for shoulder health and posture.

5. Hammer Curls – 3 sets × 12–15 reps
   Hits both the brachialis and brachioradialis.

C. Finisher (Core & Endurance)

Biel rounds off with a core finisher that also serves as an endurance buffer:

• Plank Variations – 3 rounds × 45 seconds each (front, side, reverse)
• Bicycle Crunches – 3 sets × 25 reps
• Medicine Ball Slams – 3 sets × 12 reps

These exercises help maintain a solid core, which is crucial for stabilizing the spine during heavy lifts and for performing athletic maneuvers required for her role.

4. The Rep Scheme and Progression

Biel follows a hypertrophy‑centric rep scheme (8–15 reps) for most lifts, but she also incorporates a period of “strength‑first” training once a month. During this phase, she focuses on lower rep ranges (3–5 reps) with higher loads, typically on bench press and rows. She then “drops back” to her usual rep range, which helps avoid plateaus and keeps the muscles guessing.

She also practices progressive overload by adding 2.5–5 pounds every 2–3 weeks on the bench press, or increasing the weight on her weighted vest. Her training diary—shared in a short clip on her Instagram Stories—shows her keeping a meticulous log of weights, reps, and perceived effort, which allows for data‑driven adjustments.

5. Nutrition & Recovery: The Missing Pieces

Biel’s workout is only half the story. In the interview she emphasized the role of nutrition and sleep:

• Protein Intake: 1.2–1.5 g per kilogram of body weight.
• Caloric Balance: A slight deficit for weight loss or maintenance, depending on the role’s demands.
• Hydration: Minimum of 3 liters of water daily.
• Sleep: 7–9 hours per night.

Her post‑workout nutrition includes a whey protein shake and a carbohydrate‑rich snack (e.g., sweet potato) to replenish glycogen stores. For recovery, she uses foam rolling, occasional yoga, and a regular massage schedule.

6. Adapting the Routine for Your Own Goals

Whether you’re a fitness novice or a seasoned athlete, Biel’s routine can be tailored to your level:

It’s also crucial to listen to your body. If you experience pain beyond normal muscle soreness, consult a professional.

7. The Takeaway: Strength, Endurance, and Grace

Jessica Biel’s upper‑body workout isn’t just about aesthetics; it’s about empowering the body for diverse physical tasks. By focusing on compound lifts, functional mobility, and deliberate progression, she ensures that her shoulders, back, and chest are resilient, strong, and ready for whatever the camera throws her way. The routine is equally accessible for anyone who wants to build a balanced upper‑body strength base.

So, grab your gym bag, set the barbell weights, and start your journey towards a stronger, more sculpted upper body— just like Jessica Biel. Whether you’re chasing a role, training for a marathon, or simply looking to improve daily performance, this workout offers a proven roadmap that balances power, endurance, and recovery. Happy lifting!