Chapter 11, Problem 3RFT

Summary Introduction

To review:

Match the term infraspinatus with the most closely related description given below:

abducts the toes

flexes hip and/or lumbar spine

adduct (retract) scapula

connective tissue bands

plantar flexion at ankle

originates on ilium

flexes elbow

dorsiflexes ankle and inverts foot

lateral rotation of humerus at shoulder

supinates forearm

extends, adducts, medially rotates humerus at shoulder

Introduction:

There are various muscles that help in the movement of the shoulder in different directions. These muscles originate from the pectoral girdle and insert onto the humerus. This helps in the movement of the arm at the shoulder joint.