-
Infraspinatus
- Infraspinous fossa of the scapula
- Greater tubercle of the humerus
- Shldr lateral rotation, horiz. abduction
- Suprascapular nerve
-
Posterior Deltoid
- Lateral spine of scapula
- Deltoid tuberosity
- Shldr. AB, extension, ER, horz. AB
- Axillary Nerve
-
Anterior Deltoid
- Lateral 3rd of clavicle
- Deltoid tuberosity
- Shldr. AB, flexion, IR, horz. AD
- Axillary Nerve
-
MIddle Trapezius
- Lower Cervical and upper thoracic SP
- Scapular spine and acromion
- Scap. retraction
- Spinal accessory C3-4
-
MIddle Deltoid
- Lateral Acromion
- Deltoid tuberosity
- Shldr. AB
- Axillary nerve
-
Rhomboids
- C7 and upper to mid thoracic SP
- Vertebral border of scapula
- Scap retraction, elevation and downward rotation
- Dorsal Scap nerve
-
Supraspinatus
- Supraspinatus fossa of the scap
- Greater tubercle
- Shldr AB
- Suprascapular nerve
-
Coracobrachialis
- Coracoid Process of scapula
- Medial surface of humerus near midpoint
- Stablizes shldr Jt
- Musculocutaneous nerve
-
Subscapularis
- Subscapular fossa of scap.
- lesser tubericle
- IR
- upper and lower subscapular
-
Triceps
- Long head:infrglenoid tubericle of scap
- Lateral head: inferoir to greater tube on posterior humerus
- Medial Head: Posterior humerus
- Olecranon process of ulna
- Elbow extension
- Long head: shldr ex.
- Radial nerve
-
Levator scapula
- Upper cervical TP
- vertebral border of scap
- scap downward rotation, scap elevation
- third and forth cervical nerves (dorsal scap nerve)
-
Brachioradialis
- Lateral supracondylar ridge of humerus
- Styloid process of radius
- Elbow flexion
- Radial Nerve
-
Brachialis
- Distal half of humerus anterior surface
- Ulnar tuberosity
- Elbow flexion
- Musculocutaneous nerve
-
Biceps
- Long head: supraglenoid tubercle of scap
- Short head: Coracoid process of scap
- Radial tuberosity
- Elbow flexion, forearm supination
- Long head: shldr flexion
- Musculocutaneous nerve
-
Pronator Quadratus
- Distal Ulna
- Distal 4th of radius
- Forearm pronation
- Median Nerve
-
Pronator teres
- Medial Epicondyle of humerus and coronoid process
- Midshaft of radius
- Forearm pronation assist elbow flexion
- Median Nerve
-
Supinator
- Lateral Epicondyle of humerus
- Proximal radius
- Forearm supination
- Radial Nerve
-
Lower trapezius
- Middle to lower thoracic SP
- Base of scap spine
- Scap depression upward rotation
- Spinal Accessory Nerve C3-4
-
Pectoralis Major
- Medial clavicle, sternum, costal cartilage of first 6 ribs
- Lateral to bicipital grove of humerus
- Shldr AB, IR, Horz. AD
- Clavicular Head: Shldr flex. to 90
- Sternum Head: extention to 90
- Lateral and medial pectoral head
-
Latissimus Dorsi
- Mid thoracic to lumbar SP, sacrum, illiac crest, lower 3 ribs and infer. angle of scap
- Medial lip of bicipital groove of humerus
- Shldr ex. AD, IR, hyper ex.
- assist: scap depression, dwnwrd rotation
- Thoracodorsal nerve
-
Teres Minor
- Axillary border of scap
- Greater tub of humerus
- Shldr IR, Horz. AB
- Axillary Nerve
-
Teres Major
- Axillary Border of scap near inf. angle
- Medial to bicipital groove
- Shldr ex. AD, IR
- subscapular nerve
-
Serratus anterior
- Lateral surface of upper 8 ribs
- Vertebral border of scap anteroir surface ( between scap and rib cage
- Scap protraction, and upward rotation, prevents winging
- Long Thoracic nerve
-
Pectoralis Minor
- Anterior surface of ribs 3-5
- Coracoid process of scap
- Scap depression, protraction, dwnwrd rotation
- Medial Pectoral Nerve
Deep to pec major
-
Supraspinatus
- Supraspinous fossa
- under acromion to greater tubercle
- AB, Stablizes head of humerus
- Suprascapular nerve
-
Upper Trapezius
- Base of occiput and upper cervical SP via nuchal ligament
- lateral clavicle and acromion process
- Scap elevation, upward rotation
- Spinal accessory nerve c3-4
-
Extensor Pollicis Longus
- middle posterior ulna and interossi membrane
- Distal Phalanx of thumb
- extends MCP, IP jts.
- Radial Nerve
-
Extensor Pollicis Brevis
- Posterior Radius
- Base of proximal phalanx of thumb
- Extends MCP jt of thumb
- Radial Nerve
-
Extensor Carpi Radialis Brevis
- Lateral Epicondyle of humerus
- base of 3rd metacarpal
- Wrist extension, radial deviation
- Radial Nerve
-
Extensor Digitorum
- Lateral epicondyle of humerus
- base of distal phalanx of the 2-5
- extends all 3 jts of digits 2-5
- Radial Nerve
-
Extensor Carpi Radialis Longus
- Lateral supracondylar ridge of humerus
- Base of 2nd metacarpal
- Wrist extension, radial deviation
- Radial Nerve
-
Extensor Carpi Ulnaris
- Lateral epicondyle of humerus
- base of 5th metacarpal
- wrist extension, ulnar deviation
- Radial Nerve
-
Flexor Pollicis Longus
- Radius anterior surface
- distal Phalanx of thumb
- Flexes all jts of thumb CMC, MCP, IP
- Median Nerve
-
Flexor Carpi Radialis
- Medial Epicondyle of humerus
- Base of 2nd 3rd metacarpals
- wrist flexion, radial deviation
- Median Nerve
-
Flexor Digitorum Profundus
- Anterior Ulna
- distal phalanx of digits 2-5
- flexes all 3 jts of fingers
- Median and ulnar nerve
-
Extensor Indicis
- Posterior Ulna
- Base of distal phalanx of 2nd digit ia extensor hood
- extends all 3 jts of 2nd finger MCP, PIP, DIP
- Radial Nerve
-
-
Extensor digiti Minimi
- Lateral Epicondyle of humerus
- Base of distal Phalanx 5th digit via etensor hood
- Extends all 3 jts of 5th digit
- Radial Nerve
-
Flexor Digitorum Superficialis
- Medial Epicondyle, Radius, Ulna
- middle phalanx 2-5
- flexes MCP and PIP jts
- Median Nerve
-
Flexor Carpi Ulnaris
- Medial Epicondyle of Humerus
- Pisiform and base 5th metacarpal
- Wrist flexion, ulnar deviation
- Ulnar nerve
-
Extensor Carpi Ulnaris
- Lateral epicondyle of humerus
- Base 5th metacarpal
- wrist extension, ulnar deviation
- Radial Nerve
-
Palmar Interossei
- 1st, 2nd, 4th, 5th Metacarpal
- base of proximal phalanx
- Add of finger at MCP jt
- Ulnar nerve
-
Dorsal Interossei
- Two adjacent Metacarpals
- Base proximal phalanx
- ABduction of finger at MCP jt.
- Ulnar nerve
-
Flexor digiti minimi
- Hamate and flexor retinaculum
- Base proximal phalanx of 5th finger
- Flexes CMC and MCP of 5th finger
- Ulnar nerve
-
Palmaris Longus
- Medial Epicondyle of humerus
- Palmar fascia
- Assist wrist flexion
- Median Nerve
-
ABductor Pollicis Longus
- Posterior radius/ Ulna, interosseous membrane
- Base 5th metacarpal
- ABducts thumb
- Radial Nerve
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