All Muscles (Origin/Insertion, Innervation) Flashcards by John Leshock

Splenius

Location, Attachment, Fx, Nerve

Intrinsic, Deep Back

Thoracic SPs - Cervical SPs

Ipsilateral Rotation, Lateral Bend Spine, Extend Neck

Dorsal Rami

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Erector Spinae

Location, Attachment, Fx, Nerve

Intrinsic, Deep Back

Pelvis to base of skull

Ipsilateral rotation, extension/lateral bend of spine

Dorsal Rami

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Transversospinalis

Location, Attachment, Fx, Nerve

Intrinsic, Deep Back

Transverse P to SPs (2-4 vertebrae apart)

Contralateral rotation, extension, lateral bend

Dorsal rami

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Trapezius

Location, Attachment, Fx, Nerve

Extrinsic, Superficial Back

Thoracic SP - scapular spine, acromion, clavicle

Rotate, retract scapula

Spinal Accessory Nerve (CN XI)

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Latissimus Dorsi

Location, Attachment, Fx, Nerve

Extrinsic, Superficial Back

Lower SPs to lesser tubercle of humerus

Adduct, Extend, Medial Rotation of Arm

Subscapular nerve (posterior cord of brachial plexus)

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Levator Scapulae

Location, Attachment, Fx, Nerve

Extrinsic Superficial Back

Transverse Processes of cervical spine - scapula

Elevate Scapula (shrug)

Ventral Rami

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Rhomboids

Location, Attachment, Fx, Nerve

Extrinsic Superficial Back

SPs - scapula

Retract scapula (rowing)

Ventral Rami

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Deltoid

Location, Attachment, Fx, Nerve

Shoulder

Clavicle, Scapular Spine, Acromion - Deltoid tuberosity of humerus

Arm extension, flexion, abduction

Axillary nerve

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Pectoralis Major

Location, Attachment, Fx, Nerve

Shoulder

Clavicle, Sternum, Ribs - Greater tubercle of humerus

Adduct, flex, medial rotate arm

Medial/Lateral Pectoral Nerves

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Serratus Anterior

Location, Attachment, Fx, Nerve

Shoulder

Ribs - Scapula

Protracts scapula (punching), and upward rotation

Long thoracic nerve

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Teres major

Location, Attachment, Fx, Nerve

Shoulder

Scapula - lesser tubercle of humerus

Medial rotation, adduct, extend arm

Subscapular nerve

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Supraspinatus

Location, Attachment, Fx, Nerve

Shoulder (Rotator Cuff)

Scapula - greater tubercle of humerus

Abduct Arm

Suprascapular nerve

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Infraspinatus

Location, Attachment, Fx, Nerve

Shoulder (Rotator Cuff)

Scapula - greater tubercle of humerus

Lateral Rotate Arm

Suprascapular nerve

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Subscapularis

Location, Attachment, Fx, Nerve

Shoulder (Rotator Cuff)

Scapula - lesser tubercle of humerus

Medial rotate arm

Subscapular nerve

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Triceps brachii

Location, Attachment, Fx, Nerve

Posterior Arm

Scapula/Humerus - Olecranon (Ulna)

Extend/Adduct Arm, Extend Forearm

Radial Nerve

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Biceps brachii

Location, Attachment, Fx, Nerve

Anterior Arm

Coracoid Process - Radial tuberosity

Flex/Abduct Arm, Flex/Supinate Forearm

Musculocutaneous Nerve

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Brachialis

Location, Attachment, Fx, Nerve

Anterior Arm

humerus - ulnar tuberosity

Flex Forearm

Musculocutaneous nerve

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Pronator Teres

Location, Attachment, Fx, Nerve

Anterior Forearm

Medial epicondyle of humerus- radius

Forearm pronation

Median nerve

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Flexor carpi radialis

Location, Attachment, Fx, Nerve

Anterior forearm

medial epicondyle of humerus - 2nd metacarpal

Flex/abduct (radial deviate) wrist

Median nerve

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Flexor digitorum superficialis

Location, Attachment, Fx, Nerve

Anterior forearm

Medial epicondyle/coronoid process of ulna - middle phalanges

Flex wrist/MCP/PIP

Median nerve

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Flexor digitorum profundus

Location, Attachment, Fx, Nerve

Anterior forearm

Ulna/interosseous membrane - distal phalanges

Flex wrist/MCP/PIP/DIP

Median + Ulnar Nerves

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Flexor pollicis longus

Location, Attachment, Fx, Nerve

Anterior forearm

Radius/interosseous membrane - distal thumb phalanx

Flex wrist, thumb (MCP/IP), abducts wrist (radial deviation)

Median nerve

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Brachioradialis

Location, Attachment, Fx, Nerve

Study These Flashcards

Posterior forearm

humerus - styloid process of radius

Flexes elbow

Radial nerve

Extensor carpi radialis longus

Location, Attachment, Fx, Nerve

Study These Flashcards

Posterior forearm

lateral epicondyle humerus a- 2nd metacarpal

Extend/Abduct Wrist

Radial Nerve

Extensor digitorum | Location, Attachment, Fx, Nerve

Posterior Forearm Lateral epicondyle humerus - dorsal expansion of digits Extend wrist/MCP/PIP/DIP Radial nerve

Supinator | Location, Attachment, Fx, Nerve

Posterior Forearm Lateral Epicondyle of humerus, anular ligament, radial collateral ligament, ulna - radius Forearm supination Radial nerve

Abductor Pollicis longus | Location, Attachment, Fx, Nerve

Posterior Forearm radius/interosseous membrane - 1st metacarpal Abduct thumb Radial Nerve

Extensor Pollicis longus | Location, Attachment, Fx, Nerve

Posterior Forearm Ulna/interosseous membrane - distal phalanx of thumb Extend thumb Radial Nerve

Abductor Pollicis brevis | Location, Attachment, Fx, Nerve

Thenar Scaphoid/Flexor Retinaculum - Proximal phalanx of thumb Abduct thumb Median Nerve

Flexor pollicis brevis | Location, Attachment, Fx, Nerve

Thenar Carpals/Flexor Retinaculum - Proximal Phalanx of thumb Flex thumb Median Nerve

Abductor digiti minimi | Location, Attachment, Fx, Nerve

Hypothenar Carpals - Proximal pinky Abduct Pinky Ulnar Nerve

Flexor digiti minimi brevis | Location, Attachment, Fx, Nerve

Hypothenar Carpals/Flexor Retinaculum - Proximal Pinky Flex Pinky Ulnar Nerve

Dorsal Interossei | Location, Attachment, Fx, Nerve

Intrinsic Hand Metacarpals - Proximal Phalanges Abduct fingers; Flex MCP, Extend PIP/DIP Ulnar Nerve

Palmar Interossei | Location, Attachment, Fx, Nerve

Intrinsic Hand Metacarpals - Proximal Phalanges Adduct fingers; Flex MCP, Extend PIP/DIP Ulnar Nerve

Adductor Pollicis | Location, Attachment, Fx, Nerve

Intrinsic Hand (NOT Thenar) 2nd/3rd metacarpal - proximal thumb adduct thumb Ulnar nerve

Lumbricals | Location, Attachment, Fx, Nerve

Intrinsic Hand tendon of flexor digitorum - dorsal digital expansions flex MCP, extend DIP/PIP Median (1-2); Ulnar (3-4) Nerves

Gluteus maximus | Location, Attachment, Fx, Nerve

Gluteals Ilium/Sacrum - Iliotibial tract/greater trochanter of femur Extend/Lateral Rotate Thigh Inferior Gluteal Nerve

Gluteus medius | Location, Attachment, Fx, Nerve

Gluteals Ilium - Greater trochanter of femur Abduct hip and medial rotation Superior Gluteal nerve

Piriformis | Location, Attachment, Fx, Nerve

Gluteals Sacrum - greater trochanter of femur Lateral Rotator Sacral Plexus (ventral rami)

Quadratus femoris | Location, Attachment, Fx, Nerve

Gluteals Ischium - intertrochanteric crest Lateral Rotator Sacral Plexus

Hamstrings | Location, Attachment, Fx, Nerve

Posterior Thigh Ischial tuberosity - medial condyle/head of fibula Thigh Extensor, Knee Flexor Tibial Nerve (Sciatic) (Except short head: common fibular)

Iliopsoas | Location, Attachment, Fx, Nerve

Anterior Thigh ilium/lumbar spine - lesser trochanter of femur Hip Flexor Femoral Nerve/Lumbar Plexus

Quadriceps femoris | Location, Attachment, Fx, Nerve

Anterior Thigh Ilium/Femur Greater Trochanter - Tibial tuberosity (via patellar ligament) Flex Hip, Extend Knee Femoral Nerve

Adductor Longus | Location, Attachment, Fx, Nerve

Medial Thigh Pubis - linea aspera Adduct hip Obturator nerve

Adductor hiatus | Location, Attachment, Fx, Nerve

Medial Thigh Popliteal N/A/V run thru it (ischium/pubis - linea aspera) Adduct Hip Obturator nerve

Adductor Magnus | Location, Attachment, Fx, Nerve

Medial thigh ischium/pubis - linea aspera Adducts hip Obturator nerve

Gastrocnemius | Location, Attachment, Fx, Nerve

Posterior Leg Medial/Lateral epicondyles of femur - calcaneal tuberosity via Achilles tendon Plantar flex foot, knee flexion Tibial nerve

Soleus | Location, Attachment, Fx, Nerve

Posterior Leg Head of tibia/fibula - calcaneal tuberosity via Achilles tendon Plantar flex foot Tibial nerve

Flexor digitorum longus | Location, Attachment, Fx, Nerve

Posterior Leg tibia - distal phalanges Plantarflex foot, invert foot, flex toes at MTP/IP Tibial nerve

Tibialis Posterior | Location, Attachment, Fx, Nerve

Posterior Leg Tibia/Fibula - tarsals Plantarflex foot, invert foot Tibial nerve

Flexor hallucis longus | Location, Attachment, Fx, Nerve

Posterior Leg Fibula - 1st distal phalanx Plantarflex foot, invert foot, flex 1st toe at MTP/IP Tibial nerve

Tibialis anterior | Location, Attachment, Fx, Nerve

Anterior Leg Tibia - tarsal Invert/Dorsiflex foot Deep fibular nerve

Extensor digitorum longus (Location, Attachment, Fx, Nerve)

Anterior leg Head of fibula - phalanges of little toes Evert/Dorsiflex foot, Extend toes 2-5 Deep fibular nerve

``` Fibularis longus (Location, Attachment, Fx, Nerve) ```

Lateral Leg Head of fibula - 1st metatarsal Evert/Plantarflex foot Superficial fibular nerve

Flexor digitorum brevis | Location, Attachment, Fx, Nerve

Plantar Foot calcaneus - middle phalanges of toes 2-5 Flex toes Medial plantar nerve

All Muscles (Origin/Insertion, Innervation) Flashcards

(55 cards)