osteokinematics and arthrokinematics of knee joint slideshare

Outcome measures (OMs): Translation Process, barriers and facilitators to use... Neurodynamics, mobilization of nervous system, neural mobilization, Mckenzie approach, Mechanical Diagnosis Therapy, Directional preference, Principles of Manipulation or manipulative therapy, No public clipboards found for this slide, 2. biomechanics of the knee joint artho, osteo. and med. Osteokinematics 8 Naming the rotation- based on orientation of tibial tuberosity with respect to distal anterior femur Neumann, 2010 9. Joint axes' locations are fairly stable, but only because the joint surfaces move in a very specific way. ... limit significant translation between the joint surfaces. Biomechanics of ankle joint SlideShare. in a closed chain, the convex humeral surface rolls and glides in opposite directions on the concave ulnar surface. Radial deviators have LOA on the radial side of the wrist's AP axis. Sreeraj S R ARTHROKINEMATICS Axial rotation Longitudinal axis for axis rotation lies at medial intercondylar tubercle i.e. Due to this infrequency, many will therapists simply refer out to specialists when these patients present. Interactions with other le joints. Kinematics - Types of Motion Ø Translatory – Movement of a body in which all of its parts move in the same direction and distance and at the same speed 1. BIOMECHANICS OF KNEE JONT AKSHAY CHAVAN MPO 1st YEAR A.I.I.P.M.R. Medial condyle curves about 30 degrees laterally as it approaches intercondylar groove. PLAY. It is constructed by 4 bones and an extensive network of ligaments and muscles. Created by PTAONLY.com 2 Bones of the knee joint The knee is primarily made up of 4 bones; the femur, patella, fibula and tibia. When the knee begins to flex from a position of full extension, posterior tibial glide begins first on the longer medial condyle. Classic explanations of movements occurring at the knee joint describe active motion as including flexion and extension, which occur around a transverse axis passing through the femoral condyles, and rotation of the tibia, which occurs around a longitudinal axis passing through the medial intercondylar tubercle. extension and 20 deg. of flexion, posterior glide on the medial side produces relative tibial internal rotation, a reversal of the screw-home mechanism. TibiofemoralArthrokinematics. Ankle (talocrural) joint Planes and axes of motion. (Joint surface movements are sometimes called joint play motions or component motions). STUDY. extension, flexion, adduction, abduction, and rotation. Movement during the gait cycle. Study Arthrokinematics & Osteokinematics flashcards from Michelle Hien's University of Southern California class online, or in Brainscape's iPhone or Android app. Arthrokinematics. Looks like you’ve clipped this slide to already. • Knee joint complex • Biomechanical role in stability • Patella • Kinematics 1) Osteokinematics 2) Arthrokinematics • Kinetics Will Be Discussed 3. Elbow and radio-ulnar arthrokinematics applying the rules of concavity and convexity to the humero-ulnar joint: in an open chain, concave ulnar surface rolls and glides in same direction on convex humeral surface. • Tibiofemoral Osteokinematics If you continue browsing the site, you agree to the use of cookies on this website. Femoral-on-pelvic and pelvic-on-femoral rotations occur in three planes. Focuses on the manner in which bones move in space without regard to the movement of joint surfaces . Each joint or articulation involves two bony surfaces, one that is convex and one that is concave. med. glide (or slide) spin. Biomechanics introductory lecture for undergraduate year 1. A roll is a rotary movement, one bone rolling on another. Talocrural Joint: Arthrokinematics (closed chain) -Concave tibiofibular joint moving on convex talus (walking) -Dorsiflexion (initial contact; mid-stance to terminal stance/toe off) = concave tibiofibular joint rolls and glides anterior on talus Knee Joint A double condyloid joint with 2degrees of freedom Flexion and extension / Medial and lateral rotation 0-120-150 degrees for flexion; Hyperextension 15 degrees 40. We can predict and understand the relationship between bony shapes at a joint surface and the surfaces' movements by applying the rules of concavity and convexity (Kaltenborn 1989, p.27). Knee joint complex • Largest joint, complex joint. Human movement includes osteokinematics, or the movements of the bony levers of the body, along with arthrokinematics, which is the movement of the joint surfaces. The foot is subdivided into the rearfoot, midfoot, and forefoot. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. MUMBAI 2. The solid phase is somewhat permeable and when the articular surface is under load, the fluid gradually redistributes itself within the solid matrix. Osteokinematics. Osteokinematics 9 Variability: Age Gender 10. • Tibiofemoral Arthokinematics These movements are combined to maintain joint contact and stability during flexion and extension. ... ankle plantar flexion contributes to knee extension. It is important to keep in mind that changes in capsule or ligament integrity will alter the normal mechanics of the shoulder joint. Study 15 Functional Anatomy- Osteokinematics vs. Arthokinematics flashcards from Breanna H. on StudyBlue. Roll and glide must occur simultaneously to preserve joint integrity. When I first learned about joint arthrokinematics, I had to figure out a way to visualize joint movements even though I couldn’t physically observe motion through the skin or muscles.I imagined a ball rolling along the inside of my cupped palm. Soft End Feel-Muscular: SLR ... -Osteokinematics-Arthrokinematics. UNE course PTH 502, Kinesiology, consists of an in-depth analysis of human motion with an emphasis on applied anatomy, biomechanics, normal gait, and total patterns of motion. The SC joint is made up of the medial end of the clavicle, the manubrium and an articular disc in-between. The foot and ankle form a complex system which consists of 28 bones, 33 joints, 112 ligaments, controlled by 13 extrinsic and 21 intrinsic muscles. Therefore, the pressure within the fluid is strongly associated with the cushioning effect … Clipping is a handy way to collect important slides you want to go back to later. See our Privacy Policy and User Agreement for details. Flexors have LOA ventral/anterior to wrist's lateral axis. This discussion focuses on how joint surfaces roll and glide with respect to one another, and largely ignores the spin component. ... longitudinal axis of rotation extends as a straight line between the center of the femoral head and the center of the knee joint. The tibiofemoral joint experiences forces between the femur and tibia and operates as a modified hinge joint; whereas, the patellofemoral ... -Knee flexion-fluid or edma. Roll and glide, like all motions, are produced by forces. ARTHROKINEMATICS is the general term for the specific movements of joint surfaces. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Femur Patella Fibula Tibia Tibiofemoral Joint 7. Review common positions and forces put on the knee joint. The foot and ankle provide various important functions which includes: 1. supporting body weight, 2. provid… Subtalar joint distraction mobilization of the ankle ... Osteokinematics how the bones move amp Arthrokinematics. The temporomandibular joint (TMJ) is one of the least commonly treated regions of the body in outpatient orthopaedics. basic/voluntarily joint movements, Ex. External rotation to internal rotation= 2:1, Minimal rotation at 0 degrees of knee extension, Naming the rotation- based on orientation of tibial tuberosity in respect to anterior distal femur, Different from the rotation described earlier, In both closed or open kinematic chain, the knee joint laterally rotates (femur internal rotation in closed and tibia external rotation in open KC). The primary arthrokinematics of the tibiofemoral joint include roll, glide and spin. Learn faster with spaced repetition. Normal joint surface movement is necessary to ensure long-term joint integrity. The osteokinematics of the right hip joint. - The description of motion : • Osteokinematics: the manner in which bones move • Arthrokinematics: movements occurring between joint surfaces. If the moving joint surface rolls on its partner without simultaneously gliding, the surfaces would separate (gap or subluxate) in some places and impinge in others. Many are unaware of the fact that the TMJ and cervical spine are connected by more than just proximity. • Automatic Locking/ Screw Home Phenomenon. 24. The articular cartilage of the patella is similar to that of other joints in that it contains a solid phase and a fluid phase that is mostly composed of collagen and glycosaminoglycans. Tibio-fibular mortise is concave Nashed, A.H., Murthy, R., & Fink, G. (1996). 1. Define kinematics, osteokinematics, and arthrokinematics and give examples of the use of each of these terms and their relevance to studying kinesiology; Identify the cardinal planes of the body and be able to demonstrate movement in each of the three cardinal planes—sagittal, frontal, and transverse—and the axes for these motions; Evolute is the curved path… that medial lateral axis takes, Axial rotation increases with knee flexion. Now customize the name of a clipboard to store your clips. Also articular surface of medial condyle extends farther anteriorly than lateral condyle, the tibia is obliged to follow the laterally curved path into full tibial on femoral extension. the joint(s) that the muscle crosses the axis/axes of each of those joints the muscle's line of application (LOA) local to each of the axes. condyle move through a greater arc of motion When lat. The convex-concave rules of arthrokinematics have been taught in physical therapy schools in the United States for about 30 years. Osteokinematics of the Tibiofemoral Joint. OSTEOKINEMATICS. Arthrokinematics 11 Norkin and Levengie 12. small amplitude motions of bones at joint surface. 'Arthrokinematics' refers to the movement of joint surfaces. This range of motion is measured in degrees, using a goniometer. Biomechanics of Osteokinematics (osteo = bone; kinematics = motion) is the gross motion which occurs when bony segments move around a joint axis. If you continue browsing the site, you agree to the use of cookies on this website. Joint surfaces move with respect to one another by simultaneously (1) rolling, (2) gliding, and (3) spinning. Elbow flexion is an example of osteokinematics. roll. Arthrokinematics. Flexion and extension occur in the sagittal plane about a medial-lateral axis of rotation. Extensors have LOA dorsal/posterior to wrist's lateral axis. rotation of tibia occurs at knee joint When lat. Arthrokinematics & Joint Mobilization. Ligamentous restraint. Review osteokinematics and arthrokinematics of the knee. It functions as a rigid structure for weight bearing and it can also function as a flexible structure to conform to uneven terrain. The idea that the morphology of articular surfaces is strongly related to kinematics can be traced back to the works of MacConaill, 7, 8 Maitland, 10 MacConaill and Basmajian, 9 and Steindler. -joint sounds-dec bite force-dec ROM-altered ROM-HA-joint locking-referred pain to face-referred pain to upper C/S (almost always associated) Causes:-stress-emotional-oral parafunctional habits (biting nails, chewing on ice, biting on a pen, etc. You can change your ad preferences anytime. )-asymmetrical muscle-sleep bruxism (grinding your teeth)-FHP (forward head posture) The interpretation of the osteokinematics and arthrokinematics can also help guide the clinician in their treatment by revealing where stability is needed. We use OSTEOKINEMATIC terms, such as abduction or adduction, flexion or extension, to name the movements that occur between bones at synovial joints. -joint wear at one spot will hurt in a particular area of knee flexion -when you start with full extension, the patella is a little above the joint line; at any point into flexion, different parts will be in contact, but at any time there's only about 30% of the posterior surface of the patella in contact with the intercondylar line Lecture 2 It gets its name from the shape as it has a concave surface in one direction and convex in another, like a saddle. biomechanic of knee joint 1. NB: Roll and glide do not occur in the direction they do because of the shape of the joint surfaces. I am a visual learner. Knee Joint Movement 101 -- Osteokinematics and Arthrokinematics There are two joints at the knee -- tibiofemoral and patellofemoral. My cupped palm creates a concave surface in which the convex ball can fit - just like a joint. See our User Agreement and Privacy Policy. Rolling is a sagittal plane rotation; gliding, a sagittal plane translation; and spin, a transverse plane rotation. Osteokinematics. Range of motion (ROM) is determined by osteokinematics and arthrokinematics. We speak as if this joint axis is a fixed point, as if the center of rotation is stationary like an automobile axle. Between 0 deg. Limited range of motion of the ankle is common following a period of immobilization or injury to the lower extremity. It is important to understand that the sternoclavicular joint is a saddle joint. The ball is round, but in terms of arthrokinematics, the ball is considered convex. Total rotation of about 40- 45 degrees. The knee joint is one of the largest and most complex joints in the body. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Arthrokinematics Talar dome is convex. rotation of femur occurs at knee joint 38. Arthrokinematics: Knee Joint Norkin and Levengie 11. Condyle act as pivot point while the lat. The tibiofemoral (knee) joint allows 2 degrees of freedom, flexion and extension, and internal and external rotation. internal rotation / external rotation. Motion occurs from about 5 degrees of knee hyperextension to about 130 to 140 degrees of flexion. 14 These early works, as well as those of others, 15 … Understanding the normal osteokinematics, arthrokinematics, and muscle actions at the hip joint provides clinicians with the basic biomechanical background to detect impairments that may impact function and contribute to injury. and med. The angular movement of bones in the human body occurs as a result of a combination of rolls, spins, and slides.

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