O- upper 2/3 of lateral border of the scapula
I-Greater tubercle of the humerus
A- Laterally rotate shoulder, adduct shoulder, stabilize
100
Spinalis
O- Spinous processes of the upper lumbar and lower thoracic vertebrae (thoracis), Ligamentum nuchar, spinous process of C7.
I- Spinous processes of upper thoracic (thoracis), spinous processes of cervicals except C1
A- Extend the vertebral column
100
Middle Scalene
O-Transverse process of second through seventh cervical vertebrae.
I- First rib
A-laterally flex, rotate head and neck, elevate ribs during inhalation.
100
Semitendinosus
O-Ischial tuberosity
I- Proximal, medial shaft of the tibia at pes anserinus tendon
A- Flex the knee, medially rotate the flexed knee, extend the hip joint, assist to medially rotate the hip, tilt the pelvis posteriorly.
100
Peroneus Longus
O- head of fibula and proximal 2/3 of lateral fibula
I- Base of the first metatarsal and medial cuneiform
A-Evert foot, assist to plantar flex ankle
200
Rhomboids Major
O-Spinous processes T2-T3
I-Medial border of scapula between the spine of the scapula and the inferior angle
A- Adduct scapula, elevate scapula, downwardly rotate scapula
200
Rotators
O- Transverse processes of lumbar through cervical vertebrae
I- Spinous processes of lumbar vertebrae(span1-2 vertebrae)
A-Extend the vertebral column
200
Lateral pterygoid
O-(Superior head) Infratemporal surface and crest of greater wind of sphenoid bone, (inferior head) lateral surface of lateral pterygoid plate of sphenoid bone
I- Articular disc and capsule of temporomandibular joint and neck of mandible
A- laterally deviate the mandible to opposite side, protract the mandible
200
Adductor magnus
O- Inferior ramus of the pubis, ramus of ischium and ischial tuberosity
I-Medial lip of linea aspera and adductor tubercle
A-Adduct hip, medially rotate hip
200
Tibialis Anterior
O- lateral condyle of tibia; proximal, lateral surface of tibia and interosseous membrane
I- Medial cuneiform and base of the first metatarsal
A- Invert the foot, dorsilflex the ankle
300
Serratus Anterior
O-External surfaces of upper 8-9 ribs.
I- Anterior surface of medial border of the scapula.
A-Abduct the scapula, upwardly rotate scapula, depress scapula, hold the medial border of the scapula against the rib cage.
300
Internal Oblique
O-lateral inguinal ligament, iliac crest, and thoracolumbar fascia
I-Internal surface of lower three ribs, abdominal aponeurosis to linea alba
A- (bilaterally)Flex vertebral column, compress abdominal contents
300
zygomaticus major
What is the muscle that draws the corner of the mouth upward and laterally with bilateral contraction, prominently displaying the upper row of teeth?
300
Pectineus
O- Superior ramus of pubis
I- Pectineal line of femur
A- Adduct hip, medially rotate hip
300
Flexor Digitorum longus
O- Middle, posterior surface of tibia
I- Distal phalanges of second through fifth toes
A- Flex the second through fifth toes, weak plantar flexion of ankle, invert foot
400
Biceps brachii
O- (Short head) Coracoid process of scapula
(Long head) Supraglenoid tubercle of scapula
I- Tuberosity of the radius and aponeurosis of the biceps brachii
A-Flex elbow, supinate the forearm, flex he shoulder
400
Transverse Abdominis
O-Lateral inguinal ligament, iliac crest, thoracolumbar fascia and internal and surface of lower six ribs
I- Abdominal aponeurosis to linea alba
A- compress abdominal contents
400
Longus capitis
O- Transverse processes of C3-C6
I-Inferior surface of occiput
A-Laterally flex he head and neck to the same side, rotate the head and neck to the same side, flex the head and neck.
400
Biceps femoris
O-(long head) ischial tuberosity, (short head) lateral lip of linea aspera
I- Head of fibula
A- Flex the knee, laterally rotate the hip flexed knee, (long head) extend hip, assist to laterally rotate hip
400
Extensor digitorum brevis
O- Dorsal surface of calcaneus
I- Second through fourth toes via the extensor digitorum longus tendons
A- Extend the second through fourth toes
500
Triceps brachii
O- (Long head) infraglenoid tubercle of the scapula, (lateral head) posterior surface of proximal half of the humerus (medial head) posterior surface of the distal half of the humerus.
I- Olecranon process ofthe ulna
A- (all heads) Extend the elbow, (long head) extend the shoulder, adduct the shoulder.
500
Internal intercostals
O-Inferior border of the rib above
I- Superior border of the rib below
A- Draw the ribs inferiorly to assist with exhalation
500
Temporalis
O- Temporal fossa and fascia
I-Coronoid process and anterior edge of ramus of the mandible
A-Elevate the mandible, retract the mandible
500
Gracilis
O-Inferior ramus of pubis
I- Proximal, medial shaft of tibia at pes anserinus tendon
A-Flex the knee, medially rotate the flexed knee
500
Abductor minimi
O- Lateral process of calcaneus and plantar aponeurosis
I- Proximal phalanx of fifth toe
A-Flex the fifth toe, abduct the fifth toe