Muscles that Move the Humerus Origin Insertion Action Pectoralis Major Deltoid Latissimus Dorsi* Supraspinatus Subscapularis Infraspinatus Teres Minor* Teres Major Coracobrachialis Origin 0) and ertion Munde Description Nerve ply Lower le Estend medally rettes, nd la ttenier angle ddets the ergt Teres m Thic, nded me ate en te ee nd and of larisim th la n

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Muscles that Move the Humerus
Origin
Insertion
Action
Pectoralis Major*
Deltoid*
Latissimus Dorsi*
Supraspinatus*
Subscapularis*
Infraspinatus*
Teres Minor*
Teres Major*
Coracobrachialis
Origin (0) and
Insertion (01
Muscle
Description
Action
Nerve Supply
Thick, rounded musce;
located inferior to teres
O-posterior surface of
scapula at inferior angle
Hcrest of lesser tubercle latissimus dorsi
on anterior humerus;
insertion tendon fused
with that of latissimus
dorsi
Extends, medially rotates, and
adducts the arm synergist of
Teres major
(te'rez)
(teres- round
major larger)
Lower subscapular
nerve (C-C)
minor, helps to form
posterior wall of asilla
(along with latissimus
dorsi and subsCApularis)
Supraspinatus
Spine of scapua
-Deltoid jcut)
Clavicie
Greater tubercle
of humerus
Deltoid
Intraspinatus
Sternum
Teres minor
Pectorals
major
Coracobrachialis
Teres major
Triceps brechil
Lateral head-
Long head-
Medal head-
Lateral head
-Long head
Biceps brachi
Latissimus dorsi
Brachialis
radialis
Olecranon
of uina
Anconeus
(a) Anterior superticial mugoles that act on the
(b) Posterior muscies that act on the
Transcribed Image Text:Muscles that Move the Humerus Origin Insertion Action Pectoralis Major* Deltoid* Latissimus Dorsi* Supraspinatus* Subscapularis* Infraspinatus* Teres Minor* Teres Major* Coracobrachialis Origin (0) and Insertion (01 Muscle Description Action Nerve Supply Thick, rounded musce; located inferior to teres O-posterior surface of scapula at inferior angle Hcrest of lesser tubercle latissimus dorsi on anterior humerus; insertion tendon fused with that of latissimus dorsi Extends, medially rotates, and adducts the arm synergist of Teres major (te'rez) (teres- round major larger) Lower subscapular nerve (C-C) minor, helps to form posterior wall of asilla (along with latissimus dorsi and subsCApularis) Supraspinatus Spine of scapua -Deltoid jcut) Clavicie Greater tubercle of humerus Deltoid Intraspinatus Sternum Teres minor Pectorals major Coracobrachialis Teres major Triceps brechil Lateral head- Long head- Medal head- Lateral head -Long head Biceps brachi Latissimus dorsi Brachialis radialis Olecranon of uina Anconeus (a) Anterior superticial mugoles that act on the (b) Posterior muscies that act on the
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