Anat P.
Biceps Brachii
Origin: Coracoid process; scapula
Insertion: Raial tuberosity of radius
Action: Flexes and supinates forearm
Rectus Abdominus
Origin: Pubic Crest, symphysis pubis
Insertion: Costal cartilage of ribs
Action: Flexes vertebral column, compresses abdomen
Triceps Brachii
Origin: Scapula; posterior and lateral humerus
Insertion: Olecranon process of ulna
Action: Extends forearm
Extensor Carpi Radialis Brevis
Origin: Lateral epicondyle of humerus
Insertion: 5th metacarpal
Action: Extends and abducts wrists
Longissimus
Origin: Transverse processes of thoracic vertebrae
Insertion: Transverse process of all thoracic vertebrae
Action: Extends Spine
Pronator Teres
Origin: Medial epicondyle of humerus
Insertion: Radius
Action: Pronates forearm
Linea Alba
*Thick tendon running down the middle of the abdomen
External Abdominal Oblique
Origin: Lower eight ribs
Insertion: Iliac crest, Linea Alba, inguinal ligament
Action: Compresses Abdomen, lateral rotation of trunk
Spinalis
Origin: Spinous process of upper lumbar and lower thoracic vertebrae
Insertion: Spinous processes of middle and upper thoracic vertebrae
Action: Extends Spine
Origin: Medial epicondyle of humerus
Insertion: Carpals and metacarpals
Action: Flexes and adducts wrist
Origin: Ulna
Insertion: Distal phalanges of digits 2-5
Action: Flexes digits
Iliocostalis
Origin: Sacrum, crest of ilium, and ribs
Insertion: Ribs and vertebrae
Action: Extends Spine
Gluteus Maximus
Origin: Iliac Crest, sacrum, occyx
Insertion: Gluteal tuberosity of femur
Action: Extends hip and rotates thigh laterally
Brachialis
Origin: Anterior surface of humerus
Insertion: Coronoid process of ulna
Action: Flexes forearm
Brachioradialis
Origin: Lateral supracondylar ridge of humerus
Insertion: Styloid process of radius
Action: Flexes forearm
The Iliocostalis, Longissimus, Spinalis make up what?
Origin: Medial epicondyle of humerus
Insertion: Base of 2nd and 3rd metacarpals
Action: Flexes and abducts hand
Extensor Pollicis Longus
Origin: Shaft of Radius
Insertion: Distal phalanx of thumb
Action: Extends thumb
Tensor Fascia Latae
Origin: Anterior superior iliac spine
Insertion: Iliotibial tract to lateral condyle of tibia
Action: Abducts thigh
Piriformis
Origin: Sacrum and ilium
Insertion: Greater trochanter of femur
Action: Laterally rotates extended thigh, abducts flexed thigh
Iliacus-Origin: Iliac fossa of ilium
Psoas Major: Vertebrae
Both
Insertion: Lesser trochanter of femur
Action: Flexes thigh, rotates thigh laterally, flexes vertebral column
Origin: Medial epicondyle of humerus
Insertion: Palmar Fascia
Action: Flexes wrist
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