Iliocostalis
Connects ribs and ilium
A: extension of the spine
Lumborum cervicis thoracis
Coracobrachialis
O: Coracoid process
I: Medial border of humerus
A: Adduction and flexion of shoulder
N: Musculocutaneous nerve
Pronator Quadratus
I: Distal Radius
A: Pronation
N: Median nerve
Gracilis
O: Inferior Pubic Ramus
I: medial tibia at pes anserine
A: Adduction and knee flexion
N: Obturator nerve
tibialis anterior
O: lateral tibial condyle and superior half of lateral tibia
I: base of first metatarsal and medial cuneiform
A: Dorsiflexion and inversion
N: Deep peroneal (fibular) nerve
Sternocleidomastoid
O: Manubrium of Sternum
I: Mastoid Process of Temporal Bone
A: If one, Lateral flexion to same side and rotation to opposite side
If both, neck flexion
Subscapularis
O: Subscapular fossa
I: Lesser tubercle
A: Medial rotation, coaptation
N: Upper and lower subscapular nerves
Triceps Brachii
O: Long head: infraglenoid tubercle
Lateral head: lateral humerus
Medial head: Deep on distal half of humerus
I: Olecranon process
A: elbow extension
N: radial nerve
Rectus Femoris
O: Anterior inferior Iliac spine (AIIS)
I: Tibial tuberosity via patellar tendon
A: Knee extension, hip flexion
N: Femoral nerve
Gastrocnemius
I: posterior Calcaneus via calcaneal (achilles) tendon
A: plantarflexion, knee flexion
N: Tibial nerve
Longus colli
O: Anterior Vertebral Body of Cervical Vertebrae
I: Transverse Process of the Cervical Vertebrae
A: Flexion, Rotation, and Stabilization of the Neck
Teres Major
O: Inferior angle and lateral border of scapula
I: medial lip of intertubercular groove
A: Synergist with subscapularis in medial rotation
N: Lower scapular nerve
Pronator Teres
O: Medial epicondyle and coronoid process
I: lateral radius
A: Pronation
N: median nerve
Sartorius
O: Anterior superior Iliac spine
I: medial tibia at pes anserine
A: Knee flexion, hip flexion, lateral rotation of hip
N: Femoral nerve
Popliteus
O: Lateral surface of lateral condyle of femur and lateral meniscus
I: posterior medial surface of tibia above soleal line
A: unlocks fully extended leg
N: Tibial nerve
Longus Capitus
O: Transverse Processes of Cervical Vertebrae
I: Base of Occipital Bone
A: If one, Lateral flexion to same side and rotation to same side
If both, neck flexion
Subclavius
O: First rib
I: Inferior surface of clavicles
A: Depress clavicles
N: Nerve to subclavius
Brachioradialis
O: lateral supracondylar ridge
I: distal Radius
A: Elbow flexion
N: Radial nerve
Biceps Femoris
O: Long head- ischial tuberosity
Short head- lateral lip of linea aspera
I: Posterior aspect of fibula
A: Hip extension, knee flexion
N: Long head- Tibial division of sciatic
Short head: Fibular division of sciatic
Peroneus Longus
O: Head of fibula and proximal 2/3rds of lateral fibula
I: Base of first metatarsal and medial cuneiform
A: Plantarflexion and eversion
N: Superficial peroneal (fibular) nerve
scalenes
O: Transverse Process of the Cervical Vertebrae
I: Superior Part of the first two Ribs
A: Elevates Ribs, Flexes Neck
Levator Scapulae
O: Transverse processes C1-C4
I: Superior angle of scapula
A: Elevation and downward rotation of scapula
N: Dorsal scapular nerve
Abductor pollicis longus
O: Radius, Ulna, interosseus membrane
I: Base of first metacarpal
A: Abduction of thumb
N: Radial nerve (deep branch)
Tensor Fasciae Latae (TFL)
O: Anterior Superior Iliac Spine
I: IT band, Gerdy's Tubercle (tibia)
A: Abduction and medial rotation
N: Superior gluteal nerve
Tibialis Posterior
O: Posterior tibia, fibula, and interosseus membrane
I: Navicular, cuneiforms, cuboid, base of metatarsals 2-4
A: plantarflexion, inversion
N: Tibial nerve