Muscles of the Upper body Flashcards
Origin: Ribs
Insertion: Scapula
Action: Depress Shoulder, Elevate Ribs
Pectoralis Minor
Origin: Ribs
Insertion: Scapula
Action: Rotate Scapula Upward
Serratus Anterior
Origin: Occipital Bone, Vertebrae
Insertion: Scapula
Action: Elevate scapula, adduct scapula
Trapezius
Origin: vertebrae
Insertion: Scapula
Action: Elevate scapula
Levator Scapulae
Origin: Vertebrae
Insertion: Scapula
Action: adduct scapula, medially rotate scapula
Rhomboid Major
Origin: vertebrae
Insertion: Scapula
Action: Adduct Scapula
Rhomboid Minor
Origin: ribs
Insertion: humerus
Action: Flex Arm, Adduct Arm
Pectoralis Major
Origin: ribs
Insertion: humerus
Action: Extend Arm, adduct arm
Latissimus Dorsi
Origin: Scapula
Insertion: humerus
Action: abduct arm, Anterior: flex arm Posterior: Extend arm
Deltoid
Origin: Scapula
Insertion: humerus
Action: flex arm, adduct arm
Coracobrachialis
Origin: scapula
Insertion: humerus
Action: medially rotate arm
Subscapularis
Origin: scapula
Insertion: humerus
Action: Abduct Arm
Supraspinatus
Origin: scapula
Insertion: humerus
Action: Laterally rotate arm
Infraspinatus
Origin: scapula
Insertion: humerus
Action: Laterally rotate arm
Teres Minor
Origin: scapula
Insertion: humerus
Action: Extend arm, adduct arm
Teres Major
Origin: short: scapula
long: scapula
Insertion: radius
Action: Flex arm, supinate forearm
Biceps brachii
Origin: Humerus
Insertion: ulna
Action: flex forearm
Brachialis
Origin: humerus
Insertion: radius
Action: flex forearm, supinate forearm
Brachioradialis
Origin: humerus and ulna
Insertion: radius
Action: pronate hand, flex forearm
Pronator Teres
Origin: Long: Scapula Lateral and Medial: humerus
Insertion: ulna
Action: Extend arm, adduct arm, extend forearm
Triceps Brachii
Origin: humerus
Insertion: Metacarpals 2 and 3
Action: Flex wrist, abduct wrist
Flexor carpi radialis
O: humerus
I: Palmar Aponeurosis
Action: Flex wrist
Palmaris Longus
O: humerus
I: Carpals and Metacarpal 5
A: Flex wrist, adduct wrist
Flexor Carpi Ulnaris
O: humerus
I: Middle Phalanges 2-5
A: Flex Middle phalanges, flex wrist
Flexor digitorum superficialis