A smartphone coaching program ("Bouge Grossesse") improves daily physical activity in pregnant women.

Background: Physical activity has been shown to reduce obstetrical risks however pregnant women reduce their physical activity and sedentary behaviors increase.

Objective: Our aim was to evaluate the impact of a smartphone application developed to increase daily physical activity in pregnant women.

Methods: We enrolled 250 pregnant women in a prospective randomized controlled study.

Platelet-rich plasma (PRP) treatment of sports-related severe acute hamstring injuries.

Purpose: hamstring injury is the most common musculoskeletal disorder and one of the main causes of missed sporting events. Shortening the time to return to play (TTRTP) is a priority for athletes and sports medicine practitioners.

Hypothesis: platelet-rich plasma (PRP) injection at the site of severe acute hamstring injury increases the healing rate and shortens the TTRTP.

Myositis ossificans traumatica (circumscripta) and return to sport: A retrospective series of 19 cases.

Objective: Myositis ossificans is a worrisome complication of muscle lesions in sports medicine. Our goal is to specify clinical, paraclinical and therapeutic elements to guide a myositis ossificans traumatica patient back into sport.

Method: All patients having consulted between January 2006 and December 2012 presenting myositis ossificans with a recent muscle injury from playing sports were included.

Clinical predictors of time to return to competition following hamstring injuries.

Objectives: hamstring strain injuries are the most common sports-related muscle injuries and one of the main causes of missed sporting events.

Hypothesis: clinical findings reflecting hamstring injury severity at presentation predict time to sports resumption.

Design: cohort study (prognosis); Level of evidence, 2.

Value of sonography combined with clinical assessment to evaluate muscle injury severity in athletes.

Context: Predicting when an athlete can return to sport after muscle injury is a major concern.

Objective: To determine whether combining objective clinical and ultrasound findings at presentation accurately predicted time to sport resumption in athletes with muscle injuries.

Design: Cohort study.

Value of ultrasonography for detecting ligament damage in athletes with chronic ankle instability compared to computed arthrotomography.

Ankle sprains may be followed by chronic pain and/or instability, which may induce substantial disability, most notably in athletes. Chronic ankle instability promotes the development of cartilage lesions in athletes. Therefore, accurate evaluation of the ankle ligaments is crucial to the optimal management of chronic ankle instability after a sprain.

Diagnosis of anterior cruciate ligament rupture in an emergency department.

Background: Although an early diagnosis is crucial to optimize outcomes after injury to the anterior cruciate ligament (ACL), little is known about the performance of emergency room physicians in diagnosing this injury.

Hypothesis: We hypothesized that emergency room physicians would miss a substantial proportion of ACL ruptures.

Study: : Prospective comparative study.

Usefulness of ultrasonographic detection of talocrural effusion in ankle sprains.

Objective: Ankle sprain severity is difficult to assess initially in the emergency department, yet it governs treatment decisions. Ultrasonography readily shows fluid present in the talocrural joint, which is difficult to assess by physical examination. The purpose of this study was to evaluate the prevalence of ultrasonographic talocrural joint effusion in moderate and severe ankle sprains and to determine the cause of effusions by magnetic resonance imaging (MRI).

Incidence and nature of karate injuries.

Objectives: To determine the incidence and nature of karate injuries sustained in karate clubs and to identify risk factors for injuries.

Methods: One hundred eighty-six individuals from three karate clubs in Brest, France, were entered in a retrospective study extending from September 2002 to June 2003. Each athlete was asked to complete a questionnaire on karate injuries sustained during the previous year (type, location, mechanism, exercise during which the injury occurred, number of days off training and work, and medical care).