Muscles of Appendicular Skeleton Flashcards
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/885/287/q_image_thumb.jpg?1449178865)
Teres major
- Action: Extend, rotate, adduct humerus
- Origin: Posterior & inferior angle of scapula
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/889/504/q_image_thumb.jpg?1449181262)
Flexor Carpi Radialis
- Action: Flexor of wrist
- Origin: Medial epicondyle of humerus
- Insertion: Palmer aponeurosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/893/303/q_image_thumb.jpg?1449182684)
Gluteus minimus
- Action: Abduct & medially rotate thigh
- Origin: Inferior surface of ilium
- Insertion: Greater trochanter of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/355/q_image_thumb.jpg?1449182125)
Extensor carpi radialis
Brevis & longus
- Action: Extend & abduct wrist
- Origin: Lateral epicondyle of humerus
- Insertion: Base of metacarpals 2 and 3
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/686/q_image_thumb.jpg?1449179706)
Trapezius
- Action: Extends head, moves scapula
- Origin: Occiput, spinous process of C7-T12
- Insertion: Scapular spine & acromion process, lateral clavicle
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/796/q_image_thumb.jpg?1449180864)
Coracobrachialis
- Action: Adduction & flexion of shoulder
- Origin: Coracoid process
- Insertion: Shaft of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/893/497/q_image_thumb.jpg?1449182819)
Piriformis
- Action: Lateral rotation & abduction of hip
- Origin: Sacrum
- Insertion: Greater trochanger of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/883/964/q_image_thumb.jpg?1449178330)
Pectoralis minor
- Action: Draws scapula forward
- Origin: Anterior surface of ribs 3-5
- Insertion: Coracoid process of scapula
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/890/139/q_image_thumb.jpg?1449181451)
Palmaris longus
- Action: Flexor of wrist
- Origin: Medial epicondyle of humerus
- Insertion: Palmar aponeurosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/013/q_image_thumb.jpg?1449179225)
Supraspinatus
- Action: Abduct humerus
- Origin: Supraspinous fossa
- Insertion: Greater tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/893/426/q_image_thumb.jpg?1449182763)
Piriformis
- Action: Lateral rotation & abduction of hip
- Origin: Sacrum
- Insertion: Greater trochanger of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/890/066/q_image_thumb.jpg?1449181404)
Palmaris longus
- Action: Flexor of wrist
- Origin: Medial epicondyle of humerus
- Insertion: Palmar aponeurosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/890/559/q_image_thumb.jpg?1449181646)
Flexor carpi
- Action: Flexion & adduction of wrist
- Origin: Medial epicondyle of humerus & olecranon of ulna
- Insertion: Pisiform, hamate, and 5th metacarpal
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/885/434/q_image_thumb.jpg?1449178948)
Teres minor
- Action: Rotate humerus
- Origin: Lateral margin of scapula
- Insertion: Greater tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/884/304/q_image_thumb.jpg?1449178584)
Deltoid
- Action: Adduct humerus
- Origin: Clavicle, acromion & spine of scapula
- Insertion: Deltoid tuberosity
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/195/q_image_thumb.jpg?1449179398)
Infraspinatus
- Action: Rotate humerus
- Origin: Infraspinous fossa
- Insertion: Greater tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/889/381/q_image_thumb.jpg?1449181235)
Flexor Carpi Radialis
- Action: Flexor of wrist
- Origin: Medial epicondyle of humerus
- Insertion: Palmer aponeurosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/439/q_image_thumb.jpg?1449180185)
Biceps brachii
- Action: Flexion of elbow & supination of forearm
- Origin: Coracoid process, glenoid cavity, intertubercle sulcus
- Insertion: Radial tuberosity
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/888/753/q_image_thumb.jpg?1449181003)
Coracobrachialis
- Action: Adduction & flexion of shoulder
- Origin: Coracoid process
- Insertion: Shaft of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/888/812/q_image_thumb.jpg?1449181041)
Coracobrachialis
- Action: Adduction & flexion of shoulder
- Origin: Coracoid process
- Insertion: Shaft of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/500/q_image_thumb.jpg?1449179532)
Subscapularis
- Action: Rotate humerus
- Origin: Subscapular fossa
- Insertion: Lesser tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/893/053/q_image_thumb.jpg?1449182630)
Gluteus minimus
- Action: Abduct & medially rotate thigh
- Origin: Inferior surface of ilium
- Insertion: Greater trochanter of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/900/039/q_image_thumb.jpg?1449186041)
Tibialis posterior
Action: Inversion, plantar flexion
Origin: Superior tibia & fibula
Insertion: Tarsals & metatarsals 2-4
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/884/517/q_image_thumb.jpg?1449178690)
Deltoid
- Action: Adduct humerus
- Origin: Clavicle, acromion & spine of scapula
- Insertion: Deltoid tuberosity
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/888/716/q_image_thumb.jpg?1449180969)
Coracobrachialis
- Action: Adduction & flexion of shoulder
- Origin: Coracoid process
- Insertion: Shaft of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/548/q_image_thumb.jpg?1449180285)
Brachioradialis
- Action: Synergist of elbow flexion
- Origin: Distal humerus
- Insertion: Styloid process of radius
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/900/105/q_image_thumb.jpg?1449186171)
Tibialis posterior
- Action: Inversion, plantar flexion
- Origin: Superior tibia & fibula
- Insertion: Tarsals & metatarsals 2-4
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/885/361/q_image_thumb.jpg?1449178920)
Teres major
- Action: Extend, rotate, adduct humerus
- Origin: Posterior & inferior angle of scapula
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/883/629/q_image_thumb.png?1449178068)
Pectoralis major
- Action: Flexes & adducts arm
- Origin: Clavicle, sternum, ribs 1-6
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/899/840/q_image_thumb.jpg?1449185963)
Popliteus
- Action: Medial flexion & rotate knee
- Origin: Lateral condyle of femur
- Insertion: Proximal tibia
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/910/q_image_thumb.jpg?1449179822)
Latissimus doris
- Action: Extend, abduct, & rotate arm
- Origin: Spinous process T6-L5
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/702/q_image_thumb.jpg?1449182454)
Extensor carpi ulnaris
- Action: Extend & adduct wrist
- Origin: Lateral epicondyle of humerus
- Insertion: Base of metacarpal 5
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/890/012/q_image_thumb.jpg?1449181377)
Palmaris longus
- Action: Flexor of wrist
- Origin: Medial epicondyle of humerus
- Insertion: Palmar aponeurosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/422/q_image_thumb.jpg?1449182165)
Extensor carpi radialis
Brevis & longus
- Action: Extend & abduct wrist
- Origin: Lateral epicondyle of humerus
- Insertion: Base of metacarpals 2 and 3
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/868/q_image_thumb.jpg?1449182497)
Gluteus medius
- Action: Abduct & medially rotate thigh
- Origin: Upper surface ilium
- Insertion: Greater trochanter of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/064/q_image_thumb.jpg?1449179933)
Triceps brachii
- Action: Forearm extension
- Origin: Glenoid cavity, radial groove of humerus
- Insertion: Olecranon process of ulna
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/013/q_image_thumb.jpg?1449179893)
Latissimus doris
- Action: Extend, abduct, & rotate arm
- Origin: Spinous process T6-L5
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/477/q_image_thumb.jpg?1449182206)
Extensor digitorum
- Action: Finger extension
- Origin: Lateral epicondyle of humerus
- Insertion: Distal phalanges 2-5
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/582/q_image_thumb.jpg?1449179580)
Subscapularis
- Action: Rotate humerus
- Origin: Subscapular fossa
- Insertion: Lesser tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/136/q_image_thumb.jpg?1449179324)
Infraspinatus
- Action: Rotate humerus
- Origin: Infraspinous fossa
- Insertion: Greater tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/900/022/q_image_thumb.jpg?1449186003)
Popliteus
- Action: Medial flexion & rotate knee
- Origin: Lateral condyle of femur
- Insertion: Proximal tibia
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/886/755/q_image_thumb.jpg?1449179796)
Trapezius
- Action: Extends head, moves scapula
- Origin: Occiput, spinous process of C7-T12
- Insertion: Scapular spine & acromion process, lateral clavicle
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/890/532/q_image_thumb.jpg?1449181599)
Flexor carpi
- Action: Flexion & adduction of wrist
- Origin: Medial epicondyle of humerus & olecranon of ulna
- Insertion: Pisiform, hamate, and 5th metacarpal
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/883/630/q_image_thumb.png?1449178231)
Pectoralis major
- Action: Flexes & adducts arm
- Origin: Clavicle, sternum, ribs 1-6
- Insertion: Intertubercle sulcus of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/758/q_image_thumb.jpg?1449180425)
Brachialis
- Action: Flexor of elbow
- Origin: Distal anterior of humerus
- Insertion: Coronoid process
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/883/346/q_image_thumb.png?1449177954)
Rhomboids
- Action: Pulls scapula medially
- Origin: Spinous processes of C7-T3
- Insertion: Medial border of scapula
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/885/776/q_image_thumb.jpg?1449179095)
Teres minor
- Action: Rotate humerus
- Origin: Lateral margin of scapula
- Insertion: Greater tubercle of humerus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/887/224/q_image_thumb.jpg?1449180031)
Triceps brachii
- Action: Forearm extension
- Origin: Glenoid cavity, radial groove of humerus
- Insertion: Olecranon process of ulna
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/954/q_image_thumb.jpg?1449182594)
Gluteus medius
- Action: Abduct & medially rotate thigh
- Origin: Upper surface ilium
- Insertion: Greater trochanter of femur
![](https://s3.amazonaws.com/brainscape-prod/system/cm/170/892/595/q_image_thumb.jpg?1449182377)
Extensor carpi ulnaris
- Action: Extend & adduct wrist
- Origin: Lateral epicondyle of humerus
- Insertion: Base of metacarpal 5