Blog & news

Straight answers about hips, knees & recovery

Every article is written and medically reviewed by Dr. Morton — no content farms, no fluff. Just the information patients actually ask for.

Illustration of a patient walking during early recovery after knee replacement surgery

Why you might stay overnight after knee replacement

Why an intended same-day knee replacement sometimes becomes an overnight stay, including walking difficulty, dizziness, nausea, urinary retention, pain, and anesthesia recovery.

Dr. Paul Morton stands beside the ROSA Knee robotic surgical system.

Hawai‘i's first smart knee: the Persona IQ arrives

On October 4, 2022, Dr. Paul Morton implanted Hawai‘i's first Persona IQ smart knee — the first FDA-cleared knee implant with built-in recovery sensors, placed with robotic assistance.

Dr. Paul Morton in surgical gear throwing double shaka signs in the operating room.

A homecoming first: robotic joint replacement reaches the Big Island

On March 3, 2022, Kea‘au-raised surgeon Dr. Paul Morton performed the Big Island's first robotic-assisted joint replacement at Kona Community Hospital — a homecoming milestone for Hawai‘i Island orthopedics.

Man in a blue shirt pressing both hands against his painful hip.

The 5 most common causes of hip pain — and what to do about each

Groin, thigh, or outer-hip pain? Honolulu hip surgeon Dr. Paul Morton explains the 5 common causes of hip pain and when it's time to be seen.

A clinician uses an ultrasound probe to guide a needle during an image-guided injection, the same technique used to place an adductor canal block.

The adductor canal block: pain control built into rapid recovery knee replacement

How an adductor canal nerve block controls knee replacement pain — the anatomy, the 3–4 day pain-pump catheter, and its role in Dr. Morton's rapid recovery protocol.

Scientific illustration of a blue alpha-2-macroglobulin molecule engulfing a smaller red enzyme.

Alpha-2-macroglobulin (A2M): a promising idea, honestly assessed

Alpha-2-macroglobulin (A2M) in Honolulu: a blood-derived protein that blocks cartilage-degrading enzymes. The honest state of the evidence and who might try it.

A gloved clinician gives a patient an injection into the knee joint in a clinic exam room.

Not ready for a knee replacement? Here's the full ladder of alternatives

Alternatives to knee replacement: therapy, braces, injections, PRP, iovera and partial knee — what works and when, from Dr. Paul Morton in Honolulu.

Man on a Hawai'i beach holding a knee replacement illustration in front of his knee, illustrating the question of being too young for surgery.

Too young for a knee replacement? Age is a factor — not a verdict

Am I too young for a knee replacement? Dr. Paul Morton on partial, patellofemoral, and total knee options, implant lifespan, and how robotics changed it.

Hands hold a tablet displaying a pelvis X-ray with bilateral total hip replacements.

Too young for a hip replacement? The math has changed

Am I too young for hip replacement? Cementless fixation, modern bearings, and robotics changed the math. Honest answers from Dr. Paul Morton in Honolulu.

Hip replacement recovery kit with reachers, sock aid, long shoehorn, sponge, and dressing stick.

Recovery gear that actually helps after hip and knee surgery

A Honolulu joint replacement surgeon's guide to recovery products for hip and knee surgery — cold therapy, bathroom safety, dressing aids, and what to skip.

Athlete pausing on outdoor stairs and clutching his knee, which is highlighted red to indicate pain.

ACL injuries in sports: what happened, what to do next, and how to keep it from happening again

How ACL tears happen in sports, sideline first aid, when surgery beats rehab, and proven prevention programs — from Honolulu surgeon Dr. Paul Morton.

Dentist performing a procedure on a patient, illustrating dental care precautions after joint replacement surgery.

Antibiotics and dental work after joint replacement: what actually protects you

Do you need antibiotics before dental work after joint replacement? A Honolulu hip and knee surgeon explains today's guidance, timing, and who still needs them.

A trail runner grips his knee in pain on a red-dirt Hawai‘i path — activity-related pain in a previously injured knee is an early sign of post-traumatic arthritis.

Arthritis after an ACL tear: why the risk stays — and what you can do about it

Arthritis risk after ACL reconstruction — the numbers, and what lowers it: meniscus preservation, strength, and monitoring. Dr. Paul Morton, Honolulu.

A surgeon holds a knee replacement implant model beside anatomical knee models and a knee X-ray on a monitor.

Joint arthroplasty explained: the types, the materials, and how to choose well

What is joint arthroplasty? A Honolulu surgeon explains the types — total, partial, revision, resurfacing — plus implant materials and how to choose a surgeon well.

Medical illustration of a knee joint showing the ACL restored after the BEAR implant is replaced by healed tissue.

The BEAR® implant in Honolulu: helping your torn ACL heal itself

BEAR® ACL repair in Honolulu: how the implant heals your own ACL, who qualifies (50-day window), BEAR II trial results, risks, recovery. Dr. Paul Morton.

The MLS M6 robotic laser head positioned over a patient's marked knee during treatment.

MLS laser therapy for arthritis: an honest look at what it can do

MLS laser therapy for arthritis, explained by a Honolulu orthopedic surgeon — how photobiomodulation may ease pain and swelling, and what the evidence shows.

Couple holding hands and walking along the shoreline at Makapu‘u Beach on O‘ahu — the gentle daily walking that drives joint replacement recovery.

Why Hawai‘i is the best place to recover from a hip or knee replacement

Warm weather, flat walkable terrain, ocean therapy, and world-class hospitals: the honest medical case for recovering from hip or knee replacement in Hawai‘i — for residents and fly-in patients alike.

Bottle of Corganics Clinical CBD Softgels, the THC-free, clinical-grade CBD recommended through the practice.

CBD in orthopedic practice: recovery and well-being beyond opiates

Dr. Paul Morton on clinical-grade CBD in orthopedic care: the evidence for arthritis pain, post-surgical recovery, sleep, and reducing opioid use after joint replacement.

Doctor reviewing joint replacement paperwork with a patient during an office consultation.

Knee replacement on Medicare in Hawai‘i: what you'll actually pay

Medicare covers total knee replacement in Hawai‘i. See what you'll actually owe, how supplemental plans help, and why surgery centers cost about 30% less.

3D illustration of an arthroscope probing a torn meniscus inside a knee joint.

My knee keeps clicking — did I tear my meniscus?

Knee clicking explained by a Honolulu knee surgeon: crepitus vs. a meniscus tear vs. cartilage wear — and the signs that mean it's time to get checked.

Dr. Paul Morton wearing a maile lei beside the ROSA robotic surgical system in Honolulu.

The first robotic total hip replacement in Hawai‘i

In 2022, Dr. Paul Morton performed Hawai‘i's first robotic-assisted total hip replacement on the ROSA platform — a milestone for precision hip surgery in the islands.

A surgeon holds a knee replacement implant model beside anatomical knee models and a knee X-ray on a monitor.

How long does a knee replacement last? Longer than you think

How long do knee replacements last? About 98% still work at 10 years, over 80% at 20. What wears out and how to protect yours — Dr. Paul Morton, Honolulu.

Patient with kinesiology tape on his knee walking with a walker in a physical therapy gym.

Discharge after surgery: where will you recover?

Home, hotel, hospital, rehab hospital, or skilled nursing? Dr. Paul Morton compares every discharge option after hip and knee replacement in Hawai'i.

Woman wearing a knee immobilizer brace and using crutches to stand from her bed after an ACL injury.

The first year after ACL reconstruction: a month-by-month roadmap

ACL reconstruction recovery month by month — running at 3–4 months, testing-based return to sport at 9–12 — from Dr. Paul Morton, Honolulu.

Couple holding hands and walking along the shoreline at Makapu'u Beach on O'ahu, with the lighthouse ridge behind them.

The first year after hip replacement: from first steps to first swim

Your first year after hip replacement — walking day one, driving, golf, ocean swims, paddling, and travel guidance from Dr. Paul Morton in Honolulu.

Golfer swinging on an oceanfront Hawai'i golf course lined with palm trees and a lighthouse in the distance.

Golf after knee replacement: 9 tips for a safe, successful return to the course

Nine surgeon-approved tips for a safe return to golf after knee replacement — from first putts to full rounds. Guidance from Dr. Paul Morton in Honolulu.

A couple pauses on a grassy ridge to take in the view of Hawaii's fluted green cliffs while hiking.

Hiking after knee replacement: getting back on the trail, safely

How to return to hiking after knee replacement — trail-readiness milestones, poles, footwear, and a smart downhill strategy from Dr. Paul Morton in Honolulu.

X-ray of the lower body showing a total hip replacement on one side and total knee replacements in both knees.

How much does a hip or knee replacement cost?

How much does a hip or knee replacement cost? US list prices average ~$40,000. What each fee covers and what insured, Medicare and self-pay patients pay.

A physician with a clipboard walks a patient through insurance paperwork during an office visit.

Navigating orthopedic care with HMSA: how every plan works at Dr. Morton's practice

Dr. Paul Morton accepts HMSA (Blue Cross Blue Shield Hawai‘i) plans — PPO, HMO, Akamai Advantage, Quest, EUTF, Fed 87, and FEP. How each plan works for your joint care.

A gloved clinician injects medication into a patient's knee joint, as done for hyaluronic acid gel injections.

Hyaluronic acid gel injections: honest answers for arthritic knees

Hyaluronic acid gel knee injections in Honolulu: how viscosupplementation lubricates an arthritic knee, single vs series, honest evidence, and coverage.

Dr. Paul Morton uses a hip anatomy model to explain treatment to a patient during the KITV Aging Well TV segment.

KITV's Aging Well: robotic-assisted surgery helps people recover faster from knee replacement

KITV's Aging Well featured Dr. Paul Morton on how robotic-assisted knee replacement helps Hawai‘i patients recover faster — watch the segment and the science behind it.

A trail runner grips his knee in pain on a red-dirt Hawai‘i path, illustrating knee pain during activity.

The 11 most common causes of knee pain — and what actually helps at home

Knee pain slowing you down? Honolulu knee surgeon Dr. Paul Morton explains 11 common causes, the home remedies that genuinely help, and when to be seen.

Couple holding hands and walking along the shoreline at Makapu‘u Beach on O‘ahu, with the lighthouse ridge behind them.

Knee replacement recovery: what the first year really looks like

Month-by-month knee replacement recovery timeline from Honolulu surgeon Dr. Paul Morton — walking day one, driving, stairs, and full strength by one year.

Front and side X-ray views of a knee after total knee replacement.

How successful is knee replacement? The honest numbers

Knee replacement success rate: 75–90% of patients report lasting pain relief and function at 10 years. What success really means — Dr. Paul Morton, Honolulu.

Skeletal diagram comparing normal knee alignment with knock knees (valgus) and bow legs (varus).

Personalized alignment: fitting the knee replacement to you

Personalized alignment fits a knee replacement to your anatomy. Honolulu surgeon Dr. Paul Morton explains how it works, the evidence, and the trade-offs.

Close-up of a clinician's hands examining a patient's knee during an evaluation for inner knee pain.

Medial knee pain: 10 causes of inner-knee pain — and how each one is treated

Inner knee pain? Honolulu knee surgeon Dr. Paul Morton breaks down 10 causes of medial knee pain — meniscus, MCL, arthritis — and what treats each one.

Assorted blister packs of pills representing the medications prescribed after joint replacement surgery.

Medication after surgery: your multimodal home plan, explained

Medication after joint replacement, explained by a Honolulu surgeon — scheduled acetaminophen and NSAIDs, a short opioid taper, blood thinners, safe disposal.

Fish, chicken, lean beef, broccoli, beans, and dark chocolate arranged on a cutting board — protein-rich foods that support healing after surgery.

Nutrition after surgery: feed the recovery you want

Nutrition after surgery speeds healing — protein targets, vitamin D, calcium, iron, hydration, and blood-sugar control from Honolulu's Dr. Paul Morton.

A gloved hand places a tube of golden platelet-rich plasma into a centrifuge.

PRP and meniscus repair: can platelets help a torn meniscus heal?

PRP in meniscus repair, explained honestly by Honolulu knee surgeon Dr. Paul Morton — the biology, what meta-analyses show, and when it's worth adding.

Sensiband wristbands with nickel, titanium, cobalt and other metal discs used to screen for implant metal sensitivity.

Metal allergy and joint replacement: what the evidence really shows

Worried about nickel allergy and joint replacement? Honolulu surgeon Dr. Paul Morton explains the evidence, testing, and hypoallergenic implant options.

Dr. Paul Morton stands beside the ROSA Knee robotic surgical system.

MidWeek features Dr. Morton: "Utilizing Robotics in Orthopedics"

Dr. Paul Morton was featured in MidWeek magazine's 'Utilizing Robotics in Orthopedics' — what surgical robots really do in joint replacement, and why precision matters.

A doctor points to a knee X-ray on a tablet while discussing treatment options with a patient.

Orthopedic surgeon vs. pain management specialist: who do you actually need?

Orthopedic surgeon or pain management specialist? How the roles differ, where they overlap, and who to see first — Dr. Paul Morton, Honolulu.

Pelvis X-ray showing a total hip replacement implant with acetabular screws on the left hip.

Why does my hip replacement still hurt? Ten causes worth finding

Hip replacement still hurting? The 10 causes of a painful hip replacement — from loosening to nerve injury — and the workup that finds yours, in Honolulu.

Side-by-side knee X-rays comparing a partial knee replacement implant with a total knee replacement implant.

Why a partial knee replacement can still hurt — and when it's time to convert

Why does a partial knee replacement still hurt? Honolulu surgeon Dr. Paul Morton explains progression, loosening, and when conversion to a total knee is needed.

Aerial view of four players in a doubles match on a grass court, the kind of court sport many patients return to after joint replacement.

Returning to pickleball after a hip or knee replacement

When can you play pickleball after a hip or knee replacement? Dr. Paul Morton shares realistic timelines, return-to-play tips, and how to protect your new joint.

A gloved clinician injects platelet-rich plasma into a patient's knee in a clinic exam room.

PRP knee injections: everything you actually need to know

A Honolulu joint surgeon's honest guide to PRP knee injections: how to prepare, what the visit feels like, aftercare week by week, cost, and candidacy.

A physician examines a patient's knee during an evaluation for post-traumatic arthritis.

Post-traumatic arthritis: when an old injury wears out a joint early

Post-traumatic arthritis strikes younger joints after fractures and ligament injuries. A Honolulu surgeon on alignment, timing, and cementless options for active patients.

A gloved clinician gives a patient an injection into the knee joint in a clinic exam room.

PRP for knee arthritis: who it helps, and who it doesn't

Does PRP help knee arthritis? A Honolulu joint surgeon on how PRP compares to cortisone and gel, the ideal candidate, and pairing it with strengthening.

Athlete pausing on outdoor stairs and clutching his knee, highlighted red to indicate pain at the patellar tendon.

PRP for patellar tendinopathy (jumper's knee): where it honestly fits

Jumper's knee (patellar tendinopathy) in Honolulu: Dr. Paul Morton on progressive loading first, and where PRP honestly fits when rehab has stalled.

Couple holding hands and walking along the shoreline at Makapu'u Beach on O'ahu, with the lighthouse ridge behind them.

Rapid recovery: how joint replacement lost its hospital stay

The rapid-recovery protocol explained: how pre-op preparation, muscle-sparing surgery, opioid-sparing anesthesia, and same-day walking replaced the old 3–5 day hospital stay.

Metal-on-metal total hip replacement implant showing the cobalt-chrome ball, cup, and femoral stem.

Your joint implant was recalled — here's what that actually means

Heard your hip or knee implant was recalled? Most recalls aren't emergencies. Honolulu surgeon Dr. Paul Morton explains what they mean and what to do next.

Collage for orthobiologics and regenerative medicine showing a DNA strand, a PRP centrifuge, and a knee examination.

Choosing the right specialist for regenerative medicine

Who should perform PRP or BMAC? Honolulu surgeon Dr. Paul Morton on which specialists are trained for regenerative medicine — and how to vet a clinic.

Golfer swinging on an oceanfront Hawai'i golf course lined with palm trees and a lighthouse in the distance.

Returning to sports after a total knee replacement: the sport-by-sport guide

Sport-by-sport return timelines after total knee replacement — swimming, cycling, golf, pickleball, surfing, skiing — from Dr. Paul Morton in Honolulu.

Doctor taking notes on a clipboard while a patient describes her knee pain during a consultation.

Rheumatologist vs. orthopedic surgeon: which should you see?

Rheumatologist or orthopedic surgeon for your joint pain? A simple symptom-based guide: inflammatory vs. mechanical pain, when each specialist is right, and how they work together.

Dr. Paul Morton wearing a maile lei beside the ROSA Knee robotic surgery system in Honolulu.

The ROSA robot comes to Queen's Medical Center

ROSA robotic-assisted joint replacement is available at The Queen's Medical Center — bringing sub-millimeter surgical precision to Hawai‘i's largest hospital for complex and hospital-based joint patients.

A runner jogs along a red-dirt coastal bluff above the ocean in Hawai'i at sunrise.

Running and joint replacements: what the evidence actually says

Can you run after a hip or knee replacement? Dr. Paul Morton reviews what registry studies actually show about running with a joint replacement — and how to return to the sports you love safely.

Couple holding hands and strolling on Lanikai Beach with the Mokulua Islands offshore — the kind of daily walking that powers recovery after joint replacement.

How to speed up your recovery after hip or knee replacement

Practical, surgeon-approved tips for a faster recovery after hip or knee replacement in Hawai‘i — prehab, protein, home setup, walking, ice, and sleep.

Honolulu Magazine 2025 Top Doctors in Hawai'i award badge.

What patients — and Honolulu Magazine — say about Dr. Morton

What patients say about Dr. Paul Morton: Honolulu Magazine Top Doctors honoree, 5-star Healthgrades and Vitals ratings, and real review excerpts from Google, Yelp, and Healthgrades.

Side-by-side knee X-rays comparing a partial knee replacement implant with a total knee replacement implant.

Partial vs. total knee replacement: which is right for your knee?

Partial vs. total knee replacement — an honest comparison of recovery, feel, durability, and who qualifies for each, from Honolulu surgeon Dr. Paul Morton.

Doctor reviewing joint replacement paperwork and insurance costs with a patient during an office consultation.

What a total knee replacement really costs in Honolulu

Total knee replacement in Honolulu averages about $40,740 vs $32,570 nationally. What drives Hawai‘i prices, what insurance leaves you owing, and how to save.

Dr. Paul Morton pictured with the Best of Hawai'i West 2023 first-place badge naming him Physician of the Year.

Voted 2023 Best Physician — Best of West Hawaii awards

Dr. Paul Morton was voted 2023 Best Physician in West Hawaii Today's Best of West Hawaii awards — reader-voted recognition from the Big Island community he grew up in and serves in Hilo and Kona.

Hands hold a tablet displaying a pelvis X-ray with bilateral total hip replacements, the kind of imaging reviewed at surveillance visits.

Implant surveillance: the simple habit that protects your joint replacement

Implant surveillance uses scheduled X-rays and checkups to catch silent wear or loosening early, when fixes are simpler. From Dr. Paul Morton in Honolulu.

X-ray of an ankle fracture repaired with a metal fibular plate and screws, the kind of hardware sometimes removed after healing.

When is hardware removal necessary in orthopedic surgery?

Screws, plates, rods, and pins are usually built to stay in for life — but not always. Dr. Paul Morton explains when orthopedic hardware removal makes sense.

Dr. Paul Morton, fellowship-trained hip and knee replacement surgeon in Honolulu, in a formal studio headshot wearing a dark suit and blue tie.

Why fellowship training matters when someone replaces your joint

What does fellowship training add to a joint replacement surgeon? Volume, complex-case skill, and — research suggests — fewer complications. From Honolulu's Dr. Morton.

X-ray showing a total hip replacement and knee replacement implants — enough metal to trigger an airport walk-through detector.

Will your new hip or knee set off airport metal detectors?

Will your hip or knee replacement set off airport metal detectors? A Honolulu joint replacement surgeon explains screening, body scanners, and what to say.

Woman holding bridge pose on a yoga mat in a palm-lined outdoor courtyard, a hip-strengthening posture.

Yoga after hip replacement: returning to the mat with confidence

How to return to yoga after hip replacement — anterior approach patients usually have no precautions. Pose progression from Dr. Paul Morton in Honolulu.

A woman practices the Warrior Two yoga pose, which builds the leg and knee strength that supports a new knee.

Yoga after knee replacement surgery: five poses to rebuild your knee

Five modified yoga poses — Warrior Two, Tree, Bridge, Child's Pose, and Savasana — to rebuild strength, mobility, and calm after knee replacement, from Dr. Paul Morton.

Take the first step toward moving without pain

Consultations in Honolulu, West Oahu, Hilo and Kona — most new patients are seen within one to two weeks — with telehealth when an in-person visit isn’t practical.

Paul Norio Morton, MD, FAAOS, FAAHKS · Hawai‘i’s first robotic hip & smart knee · Read patient reviews →

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