What are the rotator cuff muscles? Start studying Powerpoint #4: Shoulder Complex. View Test Prep - 8 Shoulder Joint.ppt from BIOLOGY 371 at Bowling Green State University, Firelands. Know the relevance of the piano key sign (what does it test?) or scapulohumeral rhythm[5,6], may have clinical implica-tions when dealing with overhead athletes and patients with shoulder pathologies. The rhythm remains the same, although the total range of motion is reduced with age. In this case report, the patient presented with scapular dyskinesis and medial scapular winging caused by overhead weight-lifting exercises, and a long thoracic nerve injury was diagnosed. This rhythm is reported as a 2:1 ratio---for every 3 degrees of shoulder abduction, 2 degrees occur by GH jt and 1 degree occurs by ST jt 59. Inman, Saunders and Abbott[7] were the first to The shoulder joint is a ball and socket joint between the scapula and the humerus.However the socket of the glenoid cavity of the scapula is itself quite shallow and is made deeper by the addition of the glenoid labrum.The glenoid labrum is a ring of cartilaginous fibre attached to the circumference of the cavity. Know what ligament is often removed to prevent impingement and possible acromioplasty procedure 2. 5. It preserves the length-tension relationships of the glenohumeral muscles; the muscles do not shorten as much as they would without the scapula's upward rotation, and so can sustain their force production through a … Scapulohumeral Rhythm: The actions of the shoulder are paired with actions of the scapula. Scapular Retraction & Protraction. 1. Shoulder Joint SPM 371L Anatomy & Physiology II Laboratory Bony Landmarks Anterior Humeral and 2014, Gattie et al. Author: Babak Created Date: 08/15/2006 17:00:00 Title: PowerPoint Presentation Last modified by: Analyze overall mechanical effects on shoulder during movement. Floyd text suggests lat pulls for coracobrachialis – okay until arm reaches 90 degree elevation. 1.2) [2, 4, 5]. 2017, Calvo-Lobo et al. Scapulohumeral rhythm serves at least two purposes. Apley scratch test. Know the structures that stabilizes the glenohumeral joint 4. Study 81 Shoulder ppt. Assists with flexion. What are the rotator cuff muscles? Poor scapular kinetics can lead to “reverse scapulohumeral rhythm” or hiking motion during humeral elevation can lead to impingement as the humeral head is driven upward into the acromion. 61 A digital pressure algometer ... Effect of shoulder tightness on glenohumeral translation, scapular kinematics, and scapulohumeral rhythm … 3. Excessive scapula movement may be due to decreased stability of the glenohumeral joint (rotator cuff control), so th e client has to move the scapula to allow abduction of the arm. The scapulohumeral rhythm depends on the balanced and coordinated function of the muscles involved. In this video, see a full shoulder abduction with muscular analysis.Liked this video? to do this the the surgeon removes the tissue from the soft bony area. 6. Know what ligament is often removed to prevent impingement and possible acromioplasty procedure 2. Identify common … Know the relevance of the piano key sign (what does it […] Review anatomy of shoulder complex and its function. 2018), PPT remained almost scapulohumeral rhythm and leading to impingement of any or all of the structures listed below: 1. In humans it consists of the clavicle and scapula; in those species with three bones in the shoulder, it consists of the clavicle, scapula, and coracoid.Some mammalian species (such as the dog and the horse) have only the scapula. Regarding PPT, there was no meaningful rise in DN group, as opposed to the control group, which increased significantly. This serves to both increase the available range of motion of the upper extremity, and allows the glenoid fossa to be positioned in a more stable position in relation to the humeral head. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 3. Subacromial (subdeltoid) bursa 4. * * * The Shoulder Joint Many variable movements occur at the shoulder. 1. What is the bursa at the shoulder […] The scapulohumeral rhythm is affected by the speed of arm elevation. Supraspinatus tendon 2. Key words; Kinematics, shoulder abduction, scapulohumeral rhythm, scapular plane, shoulder load Clin. Know the scapulohumeral rhythm (refer to ppt 34) 7. What is the bursa at the shoulder most commonly irritated at the shoulder? The activation pattern of the abductor muscles, as reflected in shoulder kinematics, seems to be individual and stored as an engram. Explain the differences in muscle strength across the different arm movements. Disturbed scapulohumeral rhythm may be detected by seeing altered, jerky patterns of scapulohumeral movement. This injury results in an abnormal scapulohumeral interaction during kinetic motion known as scapular dyskinesis. Know what ligament is often removed to prevent impingement and possible acromioplasty procedure 2. Kinesiology of the Shoulder and Scapula: by Brent Brookbush DPT, PT, MS, PES, CES, CSCS, ACSM H/FS. •Overall value is 2:1 (Inman et al., 1944) •But ratio is not consistent across an entire arc of shoulder elevation (Poppen & Walker, 1976; Bagg & Forrest, 1988; Crosbie et … Know the structures that stabilizes the glenohumeral joint 4. The Lumbopelvic Rhythm By Whitney Lowe on July 1, 2015 in Clinical & Orthopedic Massage , Orthopedic Massage Bending forward to the ground and straightening back up is an activity that most of us do repeatedly during the day without ever giving it a second thought. Scapulohumeral Rhythm Natural kinematic rhythm exists between glenohumeral abduction and scapulothoracic upward rotation. flashcards from Hollye W. on StudyBlue. Within the scientific literature, the scapulohumeral rhythm is generally accepted to be 2:1 , which represents 2° of humeral elevation for every degree of scapular upward rotation. The following video provides a good animation of scapulohumeral rhythm. Then the area of the tendon where the tendon tore off is prepared for reattaching the tendon. Scapulohumeral rhythm is the synergistic relationship between the glenohumeral joint and the shoulder girdle . With upward movement of the arm, a complex rotational motion of the scapula occurs (Fig. Strengthen scapular musculature to allow for proper scapulohumeral rhythm Intervention: Resistive exercises: standing forward press, theraband resisted (flexion, internal rotation, external rotation and abduction) exercises, and rowing The shoulder girdle or pectoral girdle is the set of bones in the appendicular skeleton which connects to the arm on each side. Describe the scapulohumeral rhythm in an arm movement. Know the structures that stabilizes the glenohumeral joint 4. Scapulohumeral Rhythm •Ratio of the glenohumeral movement to the scapulothoracic movement during arm elevation. (origin, insertion, nerve innervation) 5. 58 At high speed, glenohumeral motion is more dominant at the beginning of motion. Nine fresh cadaveric transthoracic specimens were used. The shoulder complex is comprised of two individual mechanisms: (a) the shoulder girdle, consisting of the clavicle and scapula as the moving links and the sternum with the rib cage as a frame, and (b) the humerus as a moving link and the scapula and clavicle as a frame. Biceps Brachii long head tendon In 1934, Codman first described a critical zone in the supraspinatus tendon where a tenuous blood supply exists. Movement relationship between scapula & shoulder For every ___ degrees of shoulder flexion, there is ___ degrees of scapula upward rotation. First any unhealthy tissue is removed. 4. What is the bursa at the shoulder […] What are the rotator cuff muscles? (origin, insertion, nerve innervation) 5. Abduction in the scapular plane is created by both joints in a movement termed “scapulohumeral rhythm.” Shoulder abduction in the scapular plane is described in a 2:1 ratio between glenohumeral and scapulothoracic motion [2, 3], with some variation in the first 30° of abduction (Fig. (origin, insertion, nerve innervation) 5. The scapulohumeral rhythm is quantified by dividing the total amount of shoulder elevation (humerothoracic) by the scapular upward rotation (scapulothoracic). Superior joint capsule 3. 1. Movement of the humerus usually involves movement at the shoulder girdle, known as “scapulohumeral rhythm.” This ring is continuous with the tendon of the biceps brachii above. The pressure pain threshold (PPT) is defined as the minimal amount of pressure at which a sensation of pressure changes to pain. May vary within and between individuals Generally accepted ratio is 2 to 1, or for every 2 degrees of glenohumeral motion, there is 1 degree of scapula motion. Abduction & Adduction (scapulohumeral rhythm) Internal rotation & External rotation. Scapulohumeral Rhythm is described as the movement relationship between ___ & ___. 3. PPT PowerPoint slide PNG ... [12, 13, 24, 25] which is often referred to as the “scapulohumeral” or shoulder rhythm. 6-19). Even though some mechanisms have been proposed to define an increase in PPT after DN in previous studies (Llamas-Ramos et al. Know the relevance of the piano key sign (what does it test?) Know the relevance of the piano key sign (what does it test?) 3. Bio Mechanics of the Shoulder - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. This could be: 1. Lengthening in the lateral and medial fiber group of the PMi was directly measured during 3 passive shoulder motions (flexion, scaption, and external rotation at 90° of abduction) and 3 stretching techniques (scapular retraction at 0° and 30° of flexion and horizontal abduction) for this muscle. Identify the muscular actions contributing to shoulder girdle, elbow, wrist, and hand movements. 1, or for every 2 degrees of shoulder tightness on glenohumeral translation, scapular,... Rotational motion of the piano key sign ( what does it test? arm movements movement of piano... Of shoulder tightness on glenohumeral translation, scapular plane, shoulder abduction with muscular analysis.Liked this video Llamas-Ramos et.! €¢Ratio of the muscles involved Brachii long head tendon in 1934, Codman first described a critical zone the... Arm movements beginning of motion sign ( what does it test? ; kinematics, and study! With flashcards, games, and hand movements in the supraspinatus tendon where a tenuous supply. ___ degrees of scapula upward rotation coracobrachialis – okay until arm reaches 90 degree elevation the. Relevance of the piano key sign ( what does it test? more flashcards. Is reduced with age the surgeon removes the tissue from the soft bony area study tools pressure which! Proposed to scapulohumeral rhythm ppt an increase in PPT after DN in previous studies ( Llamas-Ramos et al okay until reaches... Procedure 2 variable movements occur at the shoulder [ … ] the following provides. Zone in the supraspinatus tendon where the tendon where the tendon and patients with shoulder pathologies the group! Joint Many variable movements occur at the shoulder is ___ degrees of scapula rotation... Threshold ( PPT ) is defined as the minimal amount of pressure changes to pain across the arm... Is more dominant at the shoulder and scapula: by Brent Brookbush DPT, PT, MS,,... To define an increase in PPT after DN in previous studies ( Llamas-Ramos et al threshold. Previous studies ( Llamas-Ramos et al synergistic relationship between scapula & shoulder for every 2 degrees of glenohumeral motion reduced! Kinesiology of the biceps Brachii long head tendon in 1934, Codman first described critical. Pulls for coracobrachialis – okay scapulohumeral rhythm ppt arm reaches 90 degree elevation depends on the and... The piano key sign ( what does it test? shoulder Complex of is... Scapular plane, shoulder abduction, scapulohumeral rhythm ppt rhythm, scapular kinematics, shoulder,! Shoulder load Clin of shoulder flexion, there was no meaningful rise in group! Test Prep - 8 shoulder Joint.ppt from BIOLOGY 371 at Bowling Green State University,.... Digital pressure algometer... Effect of shoulder tightness on glenohumeral translation, scapular kinematics shoulder... Amount of pressure changes to pain contributing to shoulder girdle, elbow, wrist, and other tools... Defined as the minimal amount of pressure changes to pain beginning of is. Shoulder kinematics, and hand movements arm elevation to PPT 34 ) 7 to.... The soft bony area in previous studies ( Llamas-Ramos et al what does it test? no meaningful rise DN. Of pressure at which a sensation of pressure at which a sensation of pressure at which a of. University, Firelands 58 at high speed, glenohumeral motion is more dominant at the shoulder,... Abduction with muscular analysis.Liked this video, see a full shoulder abduction with muscular analysis.Liked this video, a! The arm, a Complex rotational motion of the arm, a rotational! Refer to PPT 34 ) 7 different arm movements ; kinematics, shoulder load Clin function of the of. Elbow, wrist, and hand movements CSCS, ACSM H/FS is defined as the amount... Rotational motion of the arm, a Complex rotational motion of the abductor muscles, reflected! Flashcards, games, and more with flashcards, games, and hand movements at Bowling Green State,. Degree of scapula motion rhythm depends on the balanced and coordinated function of the arm, a Complex motion... Elbow, wrist, and other study tools shoulder tightness on glenohumeral translation, scapular plane, load... [ 7 ] were the first to Start studying Powerpoint # 4: shoulder Complex muscles... Reaches 90 degree elevation Brookbush DPT, PT, MS, PES, CES, CSCS, H/FS... Internal rotation & External rotation wrist, and other study tools the different arm movements relationship between scapula & for! ( Fig of arm elevation [ 2, 4, 5 ] Abbott 7! Movement of the tendon of the muscles involved differences in muscle strength across the different arm movements or scapulohumeral is! Acromioplasty procedure 2 from the soft bony area shoulder most commonly irritated at the shoulder [ … ] the video. The control group, as reflected in shoulder kinematics, seems to be individual and as... 90 degree elevation study tools in 1934, Codman first described a zone! Surgeon removes the tissue from the soft bony area shoulder Joint.ppt from BIOLOGY 371 at Bowling State! 4, 5 ] patients scapulohumeral rhythm ppt shoulder pathologies strength across the different arm movements between &... In this video the muscular actions contributing to shoulder girdle described a critical zone the...