Orange balloon= lung
Cup= ribs and intercostal muscles
Straw= Trachea
Blue balloon= diaphragm
Cup= ribs and intercostal muscles
Straw= Trachea
Blue balloon= diaphragm
Muscle
|
Origin
|
Insertion
|
Movement
|
Triceps Brachii
|
Longhead: infraglenoid
tubercle of scapula
Lateral Head: above the radial
sulcus
Medial Head: below the radial
sulcus
|
ulna
|
Extends forearm
|
Biceps Brachii
|
Short head: coracoid process
of scapula
Long head: supraglenoid
tubercle
|
Radial tuberosity and
bicipital aponeurosis into fascia on medial part of forearm
|
Flexes elbow, flexes and supinates
hand
|
Deltoid
|
Anterior border and upper
surface of lateral third of clavicle, acromion, spine of scapula
|
Deltoid tuberosity of humerus
|
Shoulder abduction, flexion
and extension
|
Latissimus Dorsi
|
Spinous processes of vertebrae
T7 –L5 thoracolumbar fascia iliac crest, inferior 3 or 4 ribs and inferior
angle of scapula
|
Floor of inertubercular groove
of the humerus
|
Extends and adducts shoulder
and arm dorsally( pulls arm across back)
|
External Obliques
|
Ribs 5 – 12 (lower ribs)
|
Iliac crest, pubic tubercle,
linea alba
|
Compresses abdomen and rotates
trunk
|
Trapezius
|
External occipital
protuberance, nuchal ligament, medial superior nuchal line, spinous processes
of vertebrae C7 – T12
|
Posterior border of the
lateral third of the clavicle, acromion process, and spine of scapula
|
Extends head; raises and
adducts shoulders dorsally (shrugging shoulders)
|
Pectoralis Major
|
Clavicular head: anterior
surface of the medial half of the clavicle.
Sternocostal head: anterior
surface of the sternum, the superior six costal cartilages and the
aponeurosis of the external oblique muscle
|
Lateral lip of the bicipital
groove of the humerus (anteromedial proximal humerus)
|
Flexes and adducts shoulder
and arm ventrally(pulls arm across chest)
|
Gluteus Maximus
|
Gluteal surface of ilium,
lumbar fascia, sacrum, sacrotuberous ligament
|
Gluteal tuberosity of the
femur and iliotibial tract
|
Extends thighs( forms
buttocks)
|
Sternocleidomastoid
|
Clavicle
|
Mastoid process of the
temporal bone
|
Turns head to side; flexes
neck and head
|
Gastrocnemius
|
femur
|
Tendo calcaneus(achillies
tendon)
|
Extends foot (tiptoeing)
|
Sartorius
|
Iliac spine
|
tibia
|
Rotates thigh( sitting
cross-legged
|
Teres Major
|
Scapula
|
humerus
|
Medial rotation of humerus
depresses shoulder
|