2026 NFL Week 4 Injury Highlight Saquon Barkley

Saquon Barkley’s Week 4 Hamstring Injury: What Happened and How Physical Therapy Helps Recovery

Hamstring injuries are among the most common injuries in professional football, affecting players who rely on explosive speed, rapid acceleration, and sudden changes of direction. When a running back like Saquon Barkley experiences a hamstring injury, it highlights just how much stress these powerful muscles endure during high-level competition.

For athletes at every level, understanding how hamstring injuries occur, how they are diagnosed, and how physical therapy supports recovery can help reduce the risk of reinjury and promote a safe return to sport.

At Portsmouth Physical Therapy, we understand that recovering from a muscle injury involves more than simply waiting for the pain to disappear. A structured rehabilitation program helps restore strength, mobility, coordination, and confidence so athletes can return to the activities they love.

What Happened to Saquon Barkley in Week 4?

Saquon Barkley is known for his explosive running style, powerful acceleration, and ability to change direction quickly. These movements place considerable demands on the hamstring muscles, particularly when sprinting, cutting, or attempting to break away from defenders.

During high-speed running, the hamstrings help bend the knee, extend the hip, and control the lower leg as it swings forward. They also help slow the leg down before the foot strikes the ground. This combination of force production and rapid lengthening makes the hamstrings especially vulnerable to injury during sprinting.

Regardless of the exact mechanism, a hamstring injury can significantly affect an athlete’s ability to accelerate, sprint, and perform at full speed.

What Is a Hamstring Injury?

The hamstrings are a group of three muscles located along the back of the thigh:

• Biceps femoris: Helps bend the knee and extend the hip.
• Semitendinosus: Assists with knee flexion and hip extension.
• Semimembranosus: Also contributes to knee flexion and hip extension.

Together, these muscles play a major role in running, jumping, decelerating, and changing direction.

A hamstring strain occurs when muscle fibers are overstretched or overloaded, resulting in damage to some or all of the affected tissue. These injuries are commonly classified into three grades:

• Grade 1 — Mild: A small amount of muscle fiber damage, often associated with mild pain and limited strength loss.
• Grade 2 — Moderate: More significant muscle damage, with increased pain, weakness, and difficulty running or walking normally.
• Grade 3 — Severe: A complete or near-complete tear of the muscle or tendon, potentially causing substantial weakness and loss of function.

The severity of a strain influences the treatment plan and recovery timeline. Mild injuries may improve within a few weeks, while more substantial muscle or tendon injuries can require several months of rehabilitation.

How Is a Hamstring Injury Diagnosed?

Diagnosing a hamstring injury involves a clinical examination and, when appropriate, imaging.

1. Medical history and physical examination

A physician or physical therapist will ask how the injury occurred, whether the athlete felt a sudden pull or pop, and how symptoms have changed since the incident. The examination may include assessing tenderness, swelling, range of motion, muscle strength, and pain during resisted knee flexion or hip extension.

2. Assessing injury severity

The clinician evaluates the degree of strength loss, functional limitation, and the location of the symptoms. Pain near the sitting bone, significant bruising, or substantial weakness may raise concern for a more serious tendon injury.

3. Imaging when indicated

Magnetic resonance imaging (MRI) can help identify the location and extent of muscle or tendon damage. Ultrasound may also be useful in selected cases. However, not every hamstring strain requires imaging; the decision depends on the examination findings and the suspected severity of the injury.

How Are Hamstring Injuries Treated?

Treatment depends on the severity of the injury, the athlete’s symptoms, and the demands of their sport. The process includes early injury management, progressive strengthening, proprioceptive/balance training, and running/sport specific activities.

1. Early injury management

During the initial phase, treatment focuses on protecting the injured tissue while maintaining comfortable movement. Depending on the injury, this may include temporarily reducing running and other painful activities, using ice for symptom relief, and gradually restoring normal walking and mobility.

Complete rest for an extended period is rarely the goal. Appropriate, progressive loading helps the muscle recover and prepares it for the demands of sport.

For severe strains or suspected tendon tears, medical evaluation is especially important because the treatment plan may differ substantially from that of a mild strain.

2. Progressive strengthening

As pain and swelling improve, rehabilitation progresses toward restoring strength and the hamstrings’ ability to tolerate force.

Exercises may include:

• Gentle isometric hamstring contractions.
• Bridges and progressively loaded hip-extension exercises.
• Hamstring curls with gradually increasing resistance.
• Eccentric strengthening, in which the muscle produces force while lengthening.
• Single-leg strengthening and balance exercises.

Eccentric training is particularly important because the hamstrings must control the lower leg while lengthening during high-speed running. Exercise selection and intensity should be adjusted to the athlete’s symptoms, strength, and stage of healing.

3. Running and sport-specific training

For a professional football player, returning to normal walking and lifting weights is only part of the recovery process. The hamstrings must also tolerate sprinting, rapid acceleration, deceleration, cutting, and repeated high-intensity efforts.

A graded running program typically progresses from comfortable jogging to faster running, near-maximal sprinting, and eventually full-speed sport-specific drills. The athlete’s response during exercise and over the following day helps guide progression.

A player should not return to unrestricted competition simply because everyday activities are pain-free. Football places much greater demands on the hamstrings than walking or routine gym exercises.

Need Physical Therapy for a Hamstring Injury? Contact Portsmouth Physical Therapy!

Whether you’re recovering from a hamstring strain, dealing with a sports-related injury, or looking to return to your favorite activities safely, the team at Portsmouth Physical Therapy in Portsmouth, NH, is here to help. Our experienced physical therapists provide individualized treatment plans focused on reducing pain, restoring strength and mobility, improving performance, and preventing future injuries.

Don’t let an injury keep you on the sidelines! Contact Portsmouth Physical Therapy today to schedule an appointment and learn how physical therapy can help you get back to doing what you love!