All Muscles (Origin/Insertion, Innervation) Flashcards
Splenius
Location, Attachment, Fx, Nerve
Intrinsic, Deep Back
Thoracic SPs - Cervical SPs
Ipsilateral Rotation, Lateral Bend Spine, Extend Neck
Dorsal Rami
Erector Spinae
Location, Attachment, Fx, Nerve
Intrinsic, Deep Back
Pelvis to base of skull
Ipsilateral rotation, extension/lateral bend of spine
Dorsal Rami
Transversospinalis
Location, Attachment, Fx, Nerve
Intrinsic, Deep Back
Transverse P to SPs (2-4 vertebrae apart)
Contralateral rotation, extension, lateral bend
Dorsal rami
Trapezius
Location, Attachment, Fx, Nerve
Extrinsic, Superficial Back
Thoracic SP - scapular spine, acromion, clavicle
Rotate, retract scapula
Spinal Accessory Nerve (CN XI)
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)
Levator Scapulae
Location, Attachment, Fx, Nerve
Extrinsic Superficial Back
Transverse Processes of cervical spine - scapula
Elevate Scapula (shrug)
Ventral Rami
Rhomboids
Location, Attachment, Fx, Nerve
Extrinsic Superficial Back
SPs - scapula
Retract scapula (rowing)
Ventral Rami
Deltoid
Location, Attachment, Fx, Nerve
Shoulder
Clavicle, Scapular Spine, Acromion - Deltoid tuberosity of humerus
Arm extension, flexion, abduction
Axillary nerve
Pectoralis Major
Location, Attachment, Fx, Nerve
Shoulder
Clavicle, Sternum, Ribs - Greater tubercle of humerus
Adduct, flex, medial rotate arm
Medial/Lateral Pectoral Nerves
Serratus Anterior
Location, Attachment, Fx, Nerve
Shoulder
Ribs - Scapula
Protracts scapula (punching), and upward rotation
Long thoracic nerve
Teres major
Location, Attachment, Fx, Nerve
Shoulder
Scapula - lesser tubercle of humerus
Medial rotation, adduct, extend arm
Subscapular nerve
Supraspinatus
Location, Attachment, Fx, Nerve
Shoulder (Rotator Cuff)
Scapula - greater tubercle of humerus
Abduct Arm
Suprascapular nerve
Infraspinatus
Location, Attachment, Fx, Nerve
Shoulder (Rotator Cuff)
Scapula - greater tubercle of humerus
Lateral Rotate Arm
Suprascapular nerve
Subscapularis
Location, Attachment, Fx, Nerve
Shoulder (Rotator Cuff)
Scapula - lesser tubercle of humerus
Medial rotate arm
Subscapular nerve
Triceps brachii
Location, Attachment, Fx, Nerve
Posterior Arm
Scapula/Humerus - Olecranon (Ulna)
Extend/Adduct Arm, Extend Forearm
Radial Nerve
Biceps brachii
Location, Attachment, Fx, Nerve
Anterior Arm
Coracoid Process - Radial tuberosity
Flex/Abduct Arm, Flex/Supinate Forearm
Musculocutaneous Nerve
Brachialis
Location, Attachment, Fx, Nerve
Anterior Arm
humerus - ulnar tuberosity
Flex Forearm
Musculocutaneous nerve
Pronator Teres
Location, Attachment, Fx, Nerve
Anterior Forearm
Medial epicondyle of humerus- radius
Forearm pronation
Median nerve
Flexor carpi radialis
Location, Attachment, Fx, Nerve
Anterior forearm
medial epicondyle of humerus - 2nd metacarpal
Flex/abduct (radial deviate) wrist
Median nerve
Flexor digitorum superficialis
Location, Attachment, Fx, Nerve
Anterior forearm
Medial epicondyle/coronoid process of ulna - middle phalanges
Flex wrist/MCP/PIP
Median nerve
Flexor digitorum profundus
Location, Attachment, Fx, Nerve
Anterior forearm
Ulna/interosseous membrane - distal phalanges
Flex wrist/MCP/PIP/DIP
Median + Ulnar Nerves
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
Brachioradialis
Location, Attachment, Fx, Nerve
Posterior forearm
humerus - styloid process of radius
Flexes elbow
Radial nerve
Extensor carpi radialis longus
Location, Attachment, Fx, Nerve
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
