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Trapezius
- O: Occipital bone, Upper vertebrae
- I: scapula, lateral clavicle
- A: Extends head; moves scapula
-
Latissimus Dorsi
- O Lower vertebrae, iliac crest
- I humerus
- A Extends, adducts humerus (arm)
-
Supraspinatus
- O: supraspinous fossa of scapula
- I: humerus
- A: Abducts humerus
-
Infraspinatus
- O: infraspinous fossa
- I: humerus
- A: Lateral rotation of humerus
-
Rhomboids
- O: Upper vertebrae
- I: Medial Scapula
- A: Retracts Scapula
-
Subscapularis
- O: subscapular fossa of scapula
- I: humerus
- A: medial rotation of humerus
-
teres major
- O: inferior/lateral scapula
- I: humerus
- A: synergist to latissimus dorsi
-
teres minor
- O: lateral scapula
- I: humerus
- A: lateral rotation of humerus
-
pectoralis major
- O: clavicle, sternum
- I: humerus
- A: flexes, ADDUCTS and medially humerus
-
pectoralis minor
- O: ribs (3,4,5)
- I: cocacoid process of scaplua
- A: moves scapula
-
external intercostal
A: raises ribs for inspiration
-
internal intercostal
A: depresses ribs for inspiration
-
Diaphragm
A: Prime muscle of inspiration (flattens on contraction)
-
Serratus Anterior
- O: ribs (1-8)
- I: anterior aspect of medial scapula
- A: protracts scapula
-
Deltoid
- O: clavicle, scapula
- I: humerus
- A: abducts humerus
-
Biceps Brachii
- O: Short head: coracoid process, Long head: Glenoid
- I: radial tuberosity of radius
- A: flexes forearm at elbow, supinates forearm
-
Brachialis
- O: distal humerus
- I: Coranoid process of the ulna
- A: flexes forearm at elbow
-
Triceps Brachii
- O: scapula, posterior humerus
- I: olecranon process of the ulan
- A: extends forearm at elbow
-
Brachioradialis
- O: distal humerus
- I: distal radius
- A: flexes forearm at elbow
-
Flexor carpi radialis
- O: medial epicondyle of humerus
- I: lateral hand (2nd, 3rd metacarpals)
- A: flexes wrist, ABDUCTS hand
-
flexor carpi ulnaris
- O: medial epicondyle of humerus
- I: medial carpals and hand (5th metacarpal)
- A: flexes wrist, ADDUCTS hand
-
Palmaris Longus
- O: medial epicondyle of humerus
- I: palmar aponeurosis
- A: wrist flexion
-
Pronator Teres
- O: medial epicondyle of humerus
- I: lateral radius
- A: Pronates and flexes forearm at elbow
-
Extensor carpi radialis (longus and brevis)
- O: lateral epicondyle of humerus
- I: lateral hand (2nd, 3rd metacarpals)
- A: extends and ABDUCTS wrist
-
Extensor Carpi Ulnaris
- O: lateral epicondyle of humerus
- I: medial hand (5th metacarpal)
- A: extends and ADDUCTS wrist
-
Extensor Digitorum
- O: lateral epicondyle of the humerus
- I: posterior distal phalanges (digits 2-5)
- A: extends fingers and thumb
-
Extensor "digiti" minimi
A: extends 5th digit
-
Extensor Pollicis Longus
A: extends thumb
-
Extensor Pollicis Brevis
A: extends thumb
-
Abductor pollicis longus
A: ABDUCTS and extends thumb
-
Frontalis
A; raises eyebrow, wrinkles forehead
-
Masseter
A: elevates mandible
-
Temporalis
A: elevates and retracts mandible
-
Zygomaticus
A: raises corners of mouth, smiling
-
Levator labii Superiorius
A: raises upper lip
-
Risorius
A: draws corners of mouth into a smile
-
Orbicularis Oculi
A: closes eye
-
Orbicularis Oris
A: closes and puckers lips
-
Eye: Superior Rectus
A: rotates eyeball superiorly and medially
-
Inferior rectus
A: rotates eyeball inferiorly and medially
-
medial rectus
A: rotates eyeball medially
-
lateral rectus
A: rotates eyeball laterally
-
superior oblique
A: rotates eyeball inferiorly and laterally
-
inferior oblique
rotates eyeball superioraly and laterally
-
Sternothyroid
- O: sternum
- I: thyroid cartilge
- A: depresses thyroid cartilage
-
sternohyoid
- O: sternum
- I: hyoid bone
- A: depresses hyoid
-
thyrohyoid
- O: thyroid cartilige
- I: hyoid
- A: depresses hyoid or elevates larnyx
-
sternocleidmastoid
- O: sternum, clavicle
- I: mastoid process of temporal bone
- A: singly, rotates head to oppostie shoulder; together, flexes head
-
digastric
- O: mandible and mastoid process
- I: hyoid bone
- A: evelate hyoid and depress mandible (open mouth)
-
mylohyoid
- O: mandible
- I: hyoid
- A: elevates hyoid
-
rectus abdominus
A: flexes trunk
-
external oblique
A: flexes, rotates trunk
-
internal oblique
flexes, rotates trunk
-
transversus abdominis
A: compresses abdominal wall
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