Question

please answer in a detailed answer explaining

2. What is the relationship between the acromion process and the greater tubercle during Abduction of the G-H joint. Does the relationship change if you medially rotate your G- Hjoint while Abducting or if you laterally rotate your G-H joint while Abducting? What muscles attached to the greater tubercle and are their moment arms affected?

Answer 1

the kine malic nteractfon betweeg Gene vally veapula and humeyuc kmoun ag eapulo 1 the humesal shylhm The Sta pula and huMeT us Move fm : Matio. When the avm is abducted 180 60 6000rs by otation of Seapula and deqrees by huaeral rotatien at the Sah chouldes joint Glenohuae Tal foint 120 abduction of humerus t the plane of lateral Totati on Duing aveY ao dcapule an Mepovted wi th Peak fren eliag oston t humesal tlevatig During humerus 04 90-120 elevation of elevahon ot not humerur in but also laterl otation of Seen to nelatton

the wid portion is Corenal planes The wurder wit lart depress n the scaprlar eater -8Y MOVENNt Lad durtor) ave petaalte mafor lattsstmus dorsi, teres major. Enternal and ivnternal sotatons occuxs around a cephalo- caudal clongitudinal) ari. The esternal votator bing jlnaid canity internal rotation turns glenotel cavity move into frantal plane Alheve Moye a.s to the Sagittal plane. Inter nal otation Means in medial gfenetd humerus notation of Enternal sotation Means otation of lateral diretion dindion humesns on

the wid portion is Corenal planes The wurder wit lart depress n the scaprlar eater -8Y MOVENNt Lad durtor) ave petaalte mafor lattsstmus dorsi, teres major. Enternal and ivnternal sotatons occuxs around a cephalo- caudal clongitudinal) ari. The esternal votator bing jlnaid canity internal rotation turns glenotel cavity move into frantal plane Alheve Moye a.s to the Sagittal plane. Inter nal otation Means in medial gfenetd humerus notation of Enternal sotation Means otation of lateral diretion dindion humesns on