! . 2 . . ||1 Heading 1 1 Heading 2 1 Heading 311 Normal-Title Paragraph L What
ID: 3510273 • Letter: #
Question
! . 2 . . ||1 Heading 1 1 Heading 2 1 Heading 311 Normal-Title Paragraph L What movement s)of the scapula w illyou see with: Styles a. Shoulder abduction to 90 degrees? b. Shoulder flexion to 90 with simultaneous horizontal ABD? c. Shoulder extension? Is flexion of the GH equal when the arm is internally rotated compared to when the arm is externally rotated. Why? 2. Is flexion of the GH equal when you assume a slouched posture compared to when you sit upright? 3. 4. Flex the shoulder to 90 degrees and hold the position: a. Which muscle(s) is holding the arm in that position? b. What type of contraction? 5. In a supine position, your arm is resting on the bed in 90 ABD. You bring your arm horizontally across your chest a. Which muscle(s) performed this movement? b. Type of contraction? 6. Hold your arm abducted to 90 degrees when standing. a. Which muscle holds your arm there? b. Type of contraction? 7· Laying on your side, with your elbow bent at 90°, ER at the shoulder a. b. Which muscle(s) performed this movement? Type of contraction? 8. From the full ER position in 8, lower your forearm slowly to return to a neutral GH position a. b. Which muscle(s) performed this movement? Type of contraction? 9. List the muscles that assist the head of the humerus to move inferiorly in the glenoid fossa so there is not impingement against the acromion. 10. Analyze what happens when an individual raises both arms overhead to 180 degrees. a. Did you notice movement happening at other joints? Do you see movement at joints other then the shoulder complex?Explanation / Answer
1. On shoulder abduction 90 degree, scapula abducts and upwardly rotates.
4. Contraction of each part of the deltoid assists in different movements of the shoulder - flexion at 90 degree (clavicular part)
6.In Shoulder abduction at 90 degree, Deltoid: all fibers and supraspinatus are involved
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.