Jan Lexell (born March 13, 1958) is a Swedish physician and academic, who is a specialist in rehabilitation medicine and neurology. He is head of the rehabilitation medicine research group in the Department of Health Sciences at Lund University, Lund. [1] [2] [3] [4] [5] One of his research areas is the effect of physical activity on the aging process. [3] [6] Lexell is also senior consultant in the Department of Neurology and Rehabilitation Medicine at Skane University Hospital, Lund. [2] [7] [8] [9] Lexell's research is frequently cited; [10] [11] in particular, his work during the 1980s on examining the vastus lateralis muscle immediately post-mortem, which helped identify an atrophy in type-2 fiber area in older people, [12] Some of his most important research was carried out in 1989–90, while working at the University of Liverpool, UK, with grants from several major Swedish medical organisations. [13] [14]
Lexell is actively engaged in sports medicine, in particular paralympic sports medicine. [4] [15] [16] [17] [18] Lexell is a standing member of the Medical committee in the International Paralympic Committee (IPC), [5] [15] [19] and was directly involved in preparing Sweden's paralympic athletes for the 2016 Summer Paralympics in Rio. [20] He was a contributor to the Textbook of Sports Medicine: Basic Science and Clinical Aspects of Sports Injury and Physical Activity, published by Wiley in 2003, revised 2008. [21]
Parasports are sports played by people with a disability, including physical and intellectual disabilities. Some parasports are forms of adapted physical activities from existing able-bodied sports, while others have been specifically created for persons with a disability and do not have an able-bodied equivalent. Disability exists in four categories: physical, mental, permanent and temporary. At a competitive level, disability sport classifications are applied to allow people of varying abilities to face similar opposition.
Creatine ( or ) is an organic compound with the nominal formula (H2N)(HN)CN(CH3)CH2CO2H. It exists in various modifications (tautomers) in solution. Creatine is found in vertebrates where it facilitates recycling of adenosine triphosphate (ATP), primarily in muscle and brain tissue. Recycling is achieved by converting adenosine diphosphate (ADP) back to ATP via donation of phosphate groups. Creatine also acts as a buffer.
Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine, it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than subcutaneous or intradermal injections. Medication administered via intramuscular injection is not subject to the first-pass metabolism effect which affects oral medications.
Kinesiology is the scientific study of human body movement. Kinesiology addresses physiological, anatomical, biomechanical, pathological, neuropsychological principles and mechanisms of movement. Applications of kinesiology to human health include biomechanics and orthopedics; strength and conditioning; sport psychology; motor control; skill acquisition and motor learning; methods of rehabilitation, such as physical and occupational therapy; and sport and exercise physiology. Studies of human and animal motion include measures from motion tracking systems, electrophysiology of muscle and brain activity, various methods for monitoring physiological function, and other behavioral and cognitive research techniques.
The gluteus maximus is the main extensor muscle of the hip. It is the largest and outermost of the three gluteal muscles and makes up a large part of the shape and appearance of each side of the hips. It is the single largest muscle in the human body. Its thick fleshy mass, in a quadrilateral shape, forms the prominence of the buttocks. The other gluteal muscles are the medius and minimus, and sometimes informally these are collectively referred to as the glutes.
The human musculoskeletal system is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
Luleå is a city on the coast of northern Sweden, and the capital of Norrbotten County, the northernmost county in Sweden. Luleå has 48,728 inhabitants in its urban core (2018) and is the seat of Luleå Municipality. Luleå is Sweden's 25th largest city and Norrbotten County's largest city.
The vastus medialis is an extensor muscle located medially in the thigh that extends the knee. The vastus medialis is part of the quadriceps muscle group.
The femoral nerve is a nerve in the thigh that supplies skin on the upper thigh and inner leg, and the muscles that extend the knee.
The lateral circumflex femoral artery is an artery in the upper thigh. It is usually a branch of the profunda femoris artery, and produces three branches. It is mostly distributed to the muscles of the lateral thigh, supplying arterial blood to muscles of the knee extensor group.
A neuromuscular disease is any disease affecting the peripheral nervous system (PNS), the neuromuscular junction, or skeletal muscle, all of which are components of the motor unit. Damage to any of these structures can cause muscle atrophy and weakness. Issues with sensation can also occur.
Vetenskap och Folkbildning, abbreviated as VoF, is a Swedish skeptics' association. It was founded in 1982 with the purpose to raise the general public's awareness of scientific methods and results. The association publishes the quarterly journal Folkvett and organises lectures on themes related to science and pseudoscience. Since 1987 the association has annually awarded prizes for "Enlightener of the Year" and "Misleader of the Year".
Patellofemoral pain syndrome is knee pain as a result of problems between the kneecap and the femur. The pain is generally in the front of the knee and comes on gradually. Pain may worsen with sitting, excessive use, or climbing and descending stairs.
A patellar dislocation is a knee injury in which the patella (kneecap) slips out of its normal position. Often the knee is partly bent, painful and swollen. The patella is also often felt and seen out of place. Complications may include a patella fracture or arthritis.
Dick Walther Harrison is a Swedish historian. He is currently a Professor of History at Lund University.
Emma Elisabeth Nordin is a Swedish ice hockey forward and member of the Swedish national ice hockey team, currently playing in the Swedish Women's Hockey League (SDHL) with Luleå HF/MSSK. Often cited as one of the best active Swedish players in women's ice hockey, she has twice been named Swedish Player of the Year, is a five-time SDHL champion, the second-highest scorer in SDHL history, and has made over 200 international appearances for Sweden.
Ulla Isaksson was a Swedish author and screenplay writer. She was born and died in Stockholm, Sweden. In addition to her short stories and novels, Isaksson also wrote scripts for films and plays.
Fråga Lund is a Swedish television format where professors and other academics sits in a panel, in front of an audience, answering scientific questions. The first show was broadcast in 1962 and have since then existed in many iterations. The latest iteration started in August 2016 with Kristian Luuk as host.
Anna Amholt is a Swedish retired ice hockey goaltender. Considered by many to be the next great goaltending talent of the Swedish national ice hockey team, her career was halted when she contracted COVID-19 in April 2020 and continued experiencing long-term symptoms. which ultimately led her to retire from ice hockey in October 2022.
Lisbeth Helena Larsson (1949–2021) was a Swedish literary historian and researcher who from 2000 was professor of literary studies at the University of Gothenburg where she focused on gender studies. Drawing on the archive of women's history at the Arts Faculty Library, she published a book on women from Gothenburg, Hundrade och en Göteborgskvinnor. It paved the way for a grant from the Bank of Sweden Tercentenary Foundation which in March 2018 led to the establishment of Svenskt kvinnobiografiskt lexikon, a searchable biographical dictionary of Swedish women. Larsson is also remembered as a theatre and literature critic for the newspaper Expressen.