Centro Fisioterapia e Osteopatia Martinelli Gianluca

20/08/2026

This JAMA Patient Page describes the common symptoms of nonspecific low back pain, the diagnosis and treatment, and the prognosis.

16/08/2026

Anatomy and Function of the Medial Meniscus 🦵

▶️ The medial meniscus is a fibrocartilaginous, C-shaped structure that spans approximately 60% of the medial tibiofemoral compartment, distinguishing itself from the lateral meniscus, which is smaller and more circular with relatively symmetrical anterior and posterior horns (Farrell et al. [3]; Greis et al. [4]). The medial meniscus is broader posteriorly and features a complex network of ligamentous and capsular attachments that contribute to its biomechanical function.

✅ Structural Attachments and Biomechanical Role

▶️ The medial meniscus maintains stability through multiple anchoring structures. It is tightly bound to the joint capsule and the medial collateral ligament (MCL), with additional attachments to the posterior oblique ligament and the anterior arm of the semimembranosus tendon (Farrell et al. [3]; DePhillipo et al. [5]). The posterior horn is secured to the posteromedial tibial plateau via the meniscotibial ligament and is connected to the posterior cruciate ligament (PCL). The anterior horn inserts in the intercondylar region, just anterior to the tibial insertion of the anterior cruciate ligament (ACL), and is connected to the lateral meniscus via the transverse meniscal ligament of Winslow (Farrell et al. [3]).

▶️ These structural connections underpin the medial meniscus’s role in anteroposterior knee stability, as it interacts with both the ACL and PCL to resist tibial translation (Uzuner & Li [6]). Its capacity to transmit axial loads, stabilize the knee during motion, and act as a secondary restraint to anterior tibial translation is critical for knee joint integrity.

🩸Vascular and Neural Supply

▶️ The meniscus receives its vascular supply primarily from the medial, lateral, and middle genicular arteries, which form a perimeniscal capillary plexus. This network nourishes the anterior and posterior horns and the outer 10–30% of the meniscal body, with a reduction in perfusion observed with aging (Farrell et al. [3]; Greis et al. [4]; Kopf et al. [7]; Gray [8]). In contrast, the inner zone of the meniscus relies on diffusion from synovial fluid for nutrition (Gray [8]).

▶️ Historically, the meniscus has been divided into three vascular zones: the red-red zone (outer third, well-vascularized), red-white zone (middle third, partially vascularized), and white-white zone (inner third, avascular) (Kopf et al. [7]). More recently, the Cooper classification has been favored due to its objective criteria based on rim width: Zone 1 (< 3 mm), Zone 2 (3–5 mm), and Zone 3 (≥5 mm) (Cooper et al. [9]; Anderson et al. [10]; Sayegh & Matzkin [11]).

▶️ In terms of innervation, nociceptors and mechanoreceptors are concentrated within the anterior and posterior horns and the outer two-thirds of the meniscal body, contributing to nocicepton and proprioceptive function (Gray [8]). This neurovascular architecture has direct implications for the clinical presentation and healing capacity of meniscal injuries. Vascularized zones exhibit the highest regenerative potential, a fact critical for surgical decision-making (Kopf et al. [7]).

Figure: Axial view of the medial meniscus demonstrating surrounding attachments. MM = medial meniscus; LM = lateral meniscus; ACL = anterior cruciate ligament; PCL = posterior cruciate ligament; AH = anterior horn; PH = posterior horn; AR = anterior root; PR = posterior root; AC = anterior capsule; PC = posterior capsule; POL = posterior oblique ligament; dMCL = deep medial collateral ligament. https://link.springer.com/article/10.1007/s40141-025-00501-w

📷 Illustration: D’Amico, E., Boettcher, B., Johnson, S. et al. Current Concepts in Management of Medial Meniscus Injury in the Athlete. Curr Phys Med Rehabil Rep 13, 28 (2025). https://doi.org/10.1007/s40141-025-00501-w. Licenced CC BY 4.0
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📒 References

1. Farrell C, Shamrock AG, Black AC, Kiel J. Anatomy. Bony pelvis and lower limb: medial meniscus. StatPearls. Treasure Island (FL): StatPearls Publishing; 2024.

2. Greis PE, Bardana DD, Holmstrom MC, Burks RT. Meniscal injury: I. Basic science and evaluation. J Am Acad Orthop Surg. 2002;10(3):168–76.

3. DePhillipo NN, Moatshe G, Chahla J, et al. Quantitative and qualitative assessment of the posterior medial meniscus anatomy: defining meniscal ramp lesions. Am J Sports Med. 2019;47(2):372–8.

4. Uzuner S, Li LP. Alteration in ACL loading after total and partial medial meniscectomy. BMC Musculoskelet Disord. 2024;25(1):94.

5. Kopf S, Beaufils P, Hirschmann MT, et al. Management of traumatic meniscus tears: the 2019 ESSKA meniscus consensus. Knee Surg Sports Traumatol Arthrosc. 2020;28(4):1177–94.

6. Gray JC. Neural and vascular anatomy of the menisci of the human knee. J Orthop Sports Phys Ther. 1999;29(1):23–30.

7. Cooper DE, Arnoczky SP, Warren RF. Arthroscopic meniscal repair. Clin Sports Med. 1990;9(3):589–607.

8. Anderson AF, Irrgang JJ, Dunn W, et al. Interobserver reliability of the ISAKOS classification of meniscal tears. Am J Sports Med. 2011;39(5):926–32.

9. Sayegh ET, Matzkin E. Classifications in brief: the ISAKOS classification of meniscal tears. Clin Orthop Relat Res. 2022;480(1):39–44.

Figure: Axial view of the medial meniscus demonstrating surrounding attachments. MM = medial meniscus; LM = lateral meniscus; ACL = anterior cruciate ligament; PCL = posterior cruciate ligament; AH = anterior horn; PH = posterior horn; AR = anterior root; PR = posterior root; AC = anterior capsule; PC = posterior capsule; POL = posterior oblique ligament; dMCL = deep medial collateral ligament.

15/08/2026

ADHD isn't just about behavior, it's visible in the brain, even in adulthood.

I came across a brain imaging study that stopped me mid-scroll: researchers scanned the brains of 72 young adults (half with ADHD, half without) and found that the regions tied to childhood ADHD symptoms hadn't just... normalized with age. They were still structurally different, years later. Less grey matter in the frontal and temporal lobes. White matter that hadn't matured the way it does in most brains. Disrupted wiring in the circuits that handle emotion, motivation, and attention.

Here's the part that got me: using nothing but these brain scans, researchers could correctly identify who had ADHD 83% of the time.
Not a checklist. Not a behavior chart. The brain itself.

If you've ever been told ADHD is "just a lack of discipline", this is what the science actually says. Finally, I want to add that not everyone gets access to what I share behind the scenes in my community that is growing fastly and make you more connected to me, join me here: https://www.patreon.com/betterbrain

Reference: Gehricke et al., 2017, PLOS ONE

15/08/2026

15/08/2026

⭐ The value of integrating physical therapists into primary care, including patient outcomes and health care costs

⭐ By ~ Alyson M Cavanaugh et al. From ~ Physical Therapy, June 2026.

⭐ The Problem: The United States faces a severe shortage of primary care physicians (PCPs), leading to long wait times, physician burnout, and increased healthcare costs.

⭐ The Goal: Evaluate models of Primary Care Physical Therapy (PCPT)—where physical therapists serve as an initial point of contact in primary care—to determine its impact on healthcare usage, costs, and patient outcomes.

⭐ How PCPT is Implemented:
👉 Triage Systems: Formalized clinic screening that routes patients with musculoskeletal issues to see a physical therapist first.
👉 Co-location: Physical therapists working side-by-side inside the primary care clinic alongside medical doctors.
👉 Team-Based Care: Collaborative management of patients using integrated physical therapy consultations.

⭐ Key Findings
👉👉 Reduced Healthcare Costs & Resource Utilization:
👉 Fewer Imaging Tests
👉 Lower Medication Use
👉 Lower Opioid Use

⭐ Patient Outcomes:
Patient outcomes in PCPT models were equal to or better than traditional medical primary care pathways (non-inferior), showing high safety and effectiveness for managing musculoskeletal complaints.

⭐ Takeaway
Integrating physical therapists into primary care reduces unnecessary tests, lowers medication and opioid reliance, and cuts overall healthcare costs—all while delivering equivalent quality of patient care.

⭐ Read here: 🔗 https://doi.org/10.1093/ptj/pzag052

14/08/2026

Every kind of exercise seems to help the aging brain, and the more interesting question is not whether it works but which domains are tied to which types of exercise.

A 2023 systematic review and meta-analysis pooled 54 randomized controlled trials in healthy people and found that while exercise improved cognition across the board, each type of training showed its largest benefit in a different mental domain. The pattern is specific enough to be useful, and modest enough that it should not be oversold.

The analysis was built to be rigorous. It followed PRISMA methodology, drew only on randomized trials, spanned participants from childhood to older age, and scored five separate cognitive domains: global cognition, executive function, memory, attention, and information processing. It also broke each intervention down by its exercise prescription, the frequency, intensity, session length, type, total program length, and progression, so the question was never just "does exercise help" but "which kind, how much, for whom."

Three matches came out of it. Resistance training showed its greatest benefit for executive function, the brain's control system for focus, planning, and self-control. Aerobic exercise showed its greatest benefit for global cognition, overall thinking measured across domains. Mind-body practices like yoga and tai chi showed their greatest benefit for memory. These are the strongest measured pairings, not exclusive effects, and the distinction matters: every type of exercise improved every domain to some degree. What the data describe is a tilt, not a lane. Lifting was not useless for memory and cardio was not useless for focus. Each simply landed hardest in one place.

The benefit was largest in older adults. Across global cognition, executive function, and memory, the oldest participants gained more than any younger group, which fits the broader picture that the aging brain has the most room to move and the most to protect. This is where the practical value concentrates.

On dose, the trials pointed toward a moderate, repeatable pattern rather than an all-out one: the largest cognitive gains clustered around three to four sessions a week, roughly forty-five to sixty minutes each, at moderate intensity. That is an achievable prescription, not a punishing one, and it lines up with what tends to hold across the exercise-and-cognition literature. Treat the specific numbers as the center of gravity the analysis reported, not a precise threshold, since exactly where the benefit peaks varies by domain and by study.

These are specific faculties, executive function, memory, overall processing, not general intelligence, so "exercise makes you smarter" is the wrong summary; "exercise sharpens particular mental skills" is closer.

The participants were healthy, so this is about optimizing normal cognition, not treating impairment or dementia. And this is a meta-analysis of heterogeneous trials, which means the mappings are consistent tendencies pulled from many small studies, not a single decisive experiment. Exercise almost certainly does more than one thing to the brain, and the neat type-to-domain chart is a simplification of a messier, mostly overlapping reality.

Zhang M, Jia J, Yang Y, Zhang L, Wang X. Effects of exercise interventions on cognitive functions in healthy populations: A systematic review and meta-analysis. PMID 37924980.

13/08/2026

𝗣𝗲𝗿𝗼𝗻𝗲𝗮𝗹 𝗧𝗲𝗻𝗱𝗼𝗻 𝗦𝘂𝗯𝗹𝘂𝘅𝗮𝘁𝗶𝗼𝗻: 𝗧𝗵𝗲 𝗟𝗮𝘁𝗲𝗿𝗮𝗹 𝗔𝗻𝗸𝗹𝗲 𝗦𝗽𝗿𝗮𝗶𝗻 𝗜𝗺𝗽𝗼𝘀𝘁𝗼𝗿

​When a basketball or tennis player lands awkwardly on the outside of their foot, it is universally diagnosed as an Anterior Talofibular Ligament (ATFL) sprain. But when the ankle heals and the patient complains of a painful "popping" sensation on the outside of their ankle every time they push off, the true injury is a failed pulley system.

​Current orthopedic literature highlights that Peroneal Tendon Subluxation is frequently missed in the emergency room, leaving patients with a chronically unstable and painful tendon that eventually tears.

​👉 What Is Peroneal Tendon Subluxation?

​The peroneal tendons (longus and brevis) run down the outside of the calf and hook behind the lateral malleolus (the outer ankle bone). They are held tightly in place by a thick band of tissue called the Superior Peroneal Retinaculum (SPR).

​Subluxation occurs when this retinaculum tears or violently strips away from the bone, allowing the tendons to dislocate and snap over the ankle bone during movement.

​👉 Pathophysiology

​This injury typically happens during a violent, sudden dorsiflexion and inversion of the ankle (like landing on another player's foot). The peroneal muscles explosively contract to try and save the ankle, and this massive force rips the retinaculum holding them in place.

​Once the SPR is torn, every time the patient dorsiflexes and everts their foot, the tendons violently snap forward over the sharp edge of the fibula bone, causing severe friction, pain, and eventual longitudinal tearing of the tendon itself.

​👉 Typical Pain Distribution

​Patients typically present with:

​• Sharp, catching pain located strictly behind and above the lateral malleolus (unlike an ATFL sprain, which is in front and below).

• An audible and palpable "snapping" or "popping" sensation when rotating the ankle.

• A feeling that the ankle is "unstable" or giving way, especially when pushing off the foot to change direction.

​👉 Key Clinical Signs

​✔️ Dynamic Dislocation Test: The clinician asks the patient to actively dorsiflex and evert the foot against resistance. In a positive test, the examiner will visibly see and feel the tendons snap entirely out of their groove and pop over the outer ankle bone.

✔️ Retromalleolar Swelling: Swelling is isolated exactly behind the fibula, not in the sinus tarsi.

✔️ Dynamic Ultrasound: This is the absolute best imaging modality for this condition. Standard MRI may show the tendons sitting normally because they often pop back into place at rest. Dynamic ultrasound catches the tendon actively dislocating in real-time.

​👉 Why It Is Frequently Misdiagnosed

​Because it happens during an inversion trauma, it is constantly confused with:

​• ATFL or CFL Ankle Sprains

• Cuboid Syndrome

• Chronic Ankle Instability

• Lateral Malleolus Avulsion Fractures

​👉 Evidence-Based Treatment Approaches

​Balance board training will not re-attach a torn retinaculum holding a dislocating tendon.

​Conservative management

• Acute injuries (within the first 2 weeks) can sometimes heal if the ankle is immobilized in a short-leg cast or rigid boot in slight plantarflexion to allow the retinaculum to scar back down to the bone.

• Ankle taping or bracing specifically designed with a "J-pad" placed behind the fibula to physically block the tendon from popping forward.

​Interventional options

• Because the tendon is actively rubbing against a sharp bone, chronic subluxation rarely heals on its own and leads to severe tendon shredding.

• Surgical repair—involving deepening the fibular groove and mechanically reconstructing the superior peroneal retinaculum—is the definitive 2025 gold standard for athletes to return to pivoting sports pain-free.

​📌 Clinical Takeaway

​If your ankle sprain patient tells you they feel something "snapping" over their ankle bone when they walk, stop testing their balance. Resist their ankle eversion and watch the tendons. Catching Peroneal Subluxation early saves the tendon from literally fraying itself to pieces against the bone.

​✅ References

-​Intrasheath Peroneal Tendon Subluxation: A Report of Three Cases with Technical Note Journal of Orthopaedic Case Reports, 2024.

-​Superior peroneal retinaculum reattachment for an atraumatic peroneus brevis tendon subluxation: a case report Journal of Medical Case Reports, 2022.

-​Dynamic Sonographic Evaluation of Peroneal Tendon Subluxation American Journal of Roentgenology.

-​Peroneal groove deepening as the treatment of peroneal tendon subluxation: A case report International Journal of Surgery Case Reports, 2019.

11/08/2026

Serotonin (5-HT) plays a crucial role in the development and functioning of the prefrontal and somatosensory cortices. These brain regions, which are often found to mature more slowly or show reduced gray matter in individuals with ADHD, are essential for higher-order cognitive and sensory processes. The prefrontal cortex, in particular, is central to executive functions such as behavioral inhibition, decision-making, and emotional regulation, while the somatosensory cortex contributes to how sensory information is processed and integrated.

Disruptions in serotonergic signaling during key developmental periods can therefore have widespread effects. Beyond directly influencing these cortical regions, altered serotonin activity can also impact catecholaminergic systems, including dopamine and norepinephrine pathways that project to the prefrontal cortex.

Taken together, this evidence highlights serotonin as a key modulator of brain networks involved in ADHD. Its interaction with other neurotransmitter systems may contribute not only to the emergence of core ADHD symptoms but also to related emotional and behavioral comorbidities.

Reference: Solomon MB et al. (2025)

11/08/2026

⭐ Clinical Practice Guideline for Physical Therapist Management of Total Knee Arthroplasty: Revision 2026

⭐ By - Allyn M. Bove et al. From - Physical Therapy (PTJ), July 2026.

⭐ Based on a systematic review of scientific literature published between 1995 and 2024.

⭐ Formulated "20 Clinical Recommendations" addressing both pre-operative and post-operative management.

⭐ Primary Goals -
👉👉 Reduce unwarranted variation in post-surgical physical therapy care.

👉👉 Address the underdosing of therapeutic interventions in rehabilitation.

👉👉 Improve long-term functional outcomes and patient quality of life.

👉👉 Read here 🔗 https://academic.oup.com/ptj/article/106/7/pzag058/8742282