Lower Extremity Review
Background: An estimated 46.5 million United States (US) households owned a cat in 2023-2024. Interactions with cats may result in injury. The objective of this study is to describe cat-related falls and hits affecting the lower extremity. Methods: Cat-related falls (falls, trips, slips, jumped down) and hits (hit or other contact with an object) affecting the lower extremity during 2000-2023 were…
By Mathias B. Forrester, BS
11 Readers offer their thoughts on the greatest innovations of the last 15 years. The dictionary defines innovation as the introduction or use of new ideas or ways of doing things. But it’s really much more than that: In What Customers Want, innovation expert Anthony Ulwick wrote, “Innovation is not the result of thinking differently. It is the result of thinking deliberately (in specific ways) about existing problems and unmet needs.” Others have added that innovation is a corporate mindset of continuous quality improvement that encourages improving processes or revising products in response to customer needs.
Physical activity is a modifiable lifestyle factor that is well established as an important determinant for maintaining function and independence in daily life, and thus is imperative for healthy aging. The 2020 recommendations from the World Health Organization (WHO) highlight that every minute…
By Astrid Ustad, Karen Sverdrup, Gro Gujord Tangen, Øystein Døhl, Beatrix Vereijken, Pernille Thingstad, and Nina Skjæret-Maroni
Tens of thousands of shopping cart-related injuries are treated at United States (US) hospital emergency departments (EDs) each year. This study described shopping cart-related lower extremity injuries treated at US hospital EDs. Methods: An analysis was performed of shopping cart-related lower extremity injuries reported to the National Electronic Injury Surveillance System during 2000-2023.
By Mathias B. Forrester, BS
The Lapidus bunionectomy, named after American orthopedic surgeon Paul Lapidus, has emerged as a highly popular surgical approach to correcting severe cases of hallux valgus, the deformity commonly known as a bunion. This procedure involves fusing the first tarsometatarsal joint to realign and stabilize the metatarsal bone, aiming to correct the deformity at its root and ideally prevent recurrence.
By Patrick DeHeer, DPM FACFAS, FFPM RCPS (Glasg)
Backward walking offers many benefits relative to forward walking, not least of which is a decrease in C-reactive protein, body mass index, and blood pressure levels. It is a widely accepted fact that obesity is not much amenable to medical treatment. Diet and exercise, systematically undertaken, is the only way to treat obesity, manifested as…
By Ajith Soman, Sunil Chandy, Khalid Alkhathami, Baranitharan Ramamoorthy, and Bijad Alqahtani
Background: Falls are a leading cause of non-fatal injuries in the United States (US). There are a variety of fall risk factors, among which are pets. Tens of thousands of fall injuries associated with dogs are treated at US hospital emergency departments (EDs) each year. The objective of this study is to describe dog-related falls affecting the lower extremity treated at US hospital EDs.
By Mathias B. Forrester, BS
Rodeo is an extreme sport. It involves powerful forces created by large and often uncooperative or unpredictable animals, including bulls and horses. The Professional Rodeo Cowboys Association (PRCA) sanctions approximately 650 rodeos in about 38 states in the United States (US) and multiple Canadian provinces each year; other rodeos…
By Mathias B. Forrester, BS
Background: Millions of people in the United States (US) have lawn mowers. Consequently, thousands of people visit US hospital emergency departments (EDs) each year for lawn mower-related injuries. The intent of this study was to characterize lawn mower-related injuries treated at US hospital EDs.
By Mathias B. Forrester, BS
Hello Biomechanists Worldwide… As we prepare for National Biomechanics Day (NBD) April 3,2024, we thought a recap of last year’s event in order. National Biomechanics Day 2023 celebrated our Breakthrough Science for the eighth consecutive year in 15 countries around the world. Some of our new national friends include Marcus Tilp and Hans Kainz at the University of…
By Paul DeVita, PhD; Lisa MacFadden, PhD; and Felipe Carpes, PhD
Stack height is the amount of material between one’s foot and the ground. As stack height, by definition, speaks to the amount of organized material between a 3-dimensional foot of limited mass and the relatively unlimited mass of any 2-dimensional support surface on which it functions, it will have…
By Jay Segel, DPM, & Sally Crawford, MS
Natural forces affect every step we take. When the forces are too great for plantar tissues to handle, overloading occurs. Tissue overload can occur throughout the kinetic chain, wreaking havoc from end to end. Over the past 15 to 20 years, research has focused on tissue overloading as the most common cause of overuse injury. Overload is caused by…
By Paul Graham, B App Sc (Pod), FAAPSM
Skydiving, jumping from an aircraft and free-falling before landing by parachute, is a popular activity in the United States. In 2022, approximately 42,000 United States Parachute Association (USPA) members made about 3.9 million jumps at more than 208 USPA-affiliated skydiving centers in the United States – an average of 92 jumps per member.
By Mathias B. Forrester, BS
Kickboxing is a popular full-contact sport that allows both punching and kicking from a standing position. Kickboxing may be performed in sports competitions or as a form of exercise. Injuries, including to the lower extremity, may occur in…
By Mathias B. Forrester, BS
Total knee arthroplasty is a treatment option for individuals with symptomatic osteoarthritis who have failed conservative therapy. In this manuscript the authors describe the pathophysiology of post-operative edema and explore…
By Andrew Wickline, MD, FAAOS; Windy Cole, DPM, CWSP, FACCWS; Mark Melin, MD, FACS, RPVI, FACCWS; Suzie Ehmann, PT DPT, PhD(c), CWS, CLT-LANA; Frank Aviles, PT, CWS, FACCWS, CLT-LANA, ALM,AWCC, MAPWCA; and Jennifer Bradt, PT,DPT,CLT-LANA
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