Final answer:
The MTC pictured below will create torque that will rotate the glenohumeral joint in different directions, depending on the muscles involved. The four rotator cuff muscles are involved in glenohumeral rotation. Torque direction in the MTC is determined by the specific muscles involved and their contraction patterns. Joint rotation affects muscle function and the range of motion of the glenohumeral joint is extensive.
Step-by-step explanation:
The MTC (muscular torque couple) pictured below will create torque that will rotate the glenohumeral joint in different directions depending on the muscles involved.
Identify the muscles involved in glenohumeral rotation:
The muscles involved in glenohumeral rotation include the four rotator cuff muscles: supraspinatus, infraspinatus, teres minor, and subscapularis.
Determine the torque direction in the MTC:
The torque direction in the MTC will depend on the specific muscles involved and their contraction patterns. For example, if the supraspinatus and infraspinatus muscles contract, they will produce a medially directed torque, causing internal rotation of the glenohumeral joint.
Analyze the impact of joint rotation on muscle function:
Joint rotation affects the function of the muscles involved by changing the length-tension relationship and the mechanical advantage of the muscles. For example, internal rotation of the glenohumeral joint would increase the tension in the supraspinatus and infraspinatus muscles.
Evaluate the range of motion of the glenohumeral joint:
The glenohumeral joint has a wide range of motion, allowing flexion/extension, abduction/adduction, circumduction, and medial/lateral rotation of the humerus.
Your correct question is: Question 9 1 pts The MTC pictured below will create a torque that will rotate the glenohumeral joint in which directions? Extension; Abduction Flexion; Adduction Oo oo Extension; Adduction Flexion; Abduction