Muscles: Origin, Insertion, Action
Triceps Brachii (Insertion)
Olecranon of Ulna
Rectus Femoris (Insertion)
Tibial tuberosity and patella
Levator Scapulae (Origin)
Transverse processes of C1-C4
Semispinalis (Origin)
Transverse processes of C7-C12
Erector Spinae (Action)
Vertebral column extension and lateral flexion
Rectus Abdominus (Action)
Vertebral column flexion and rotation
Pectoralis Major (Origin)
Clavicle, sternum, cartilage of ribs 1-6 (or 7), and apomeurosis of external oblique muscle
Biceps Brachii (Origin)
Coracoid Processes, Supraglenoid Tubercule , and tip of Glenoid Cavity
Deltiod (Insertion)
Deltoid tuberosity of humerus
Biceps Femoris (Insertion)
Head of Fibula and lateral condyle of Tibia
Erector Spinae (Origin)
Iliac Crest, transverse processes of lumbar/thoracic/cervical vertebrae, and/or ribs (depending on specific part)
Rectus Abdominus (Origin)
Pubic crest and symphysis
Mylohyoid (Insertion)
Angle & Ramus of Mandible
Rectus Femoris (Origin)
Anterior inferiorIliac Spine and superior margin of acetabulum
Sartorius (Origin)
Anterior superior Iliac Spine
Deltoid (Action)
Arm abduction
Latissimus Dorsi (Action)
Arm extension, adduction, and medial rotation
Pectoralis Major (Action)
Arm flexion, adduction, and medial rotation
Brachialis (Origin)
Distal portion of anterior humerus
Biceps Brachii (Action)
Elbow flexion and forearm supination
Triceps Brachii (Action)
Forearm extension
Brachialis (Action)
Forearm flexion
Gluteus Medius (Insertion)
Greater trochanter of femur
Semispinalis (Action)
Head and vertebral column rotation and extension
Mylohyoid (Action)
Jaw Closure/Elevates Mandible
Rectus Femoris (Action)
Knee extension/thigh flexion at hip
Deltoid (Origin)
Lateral third of clavicle, acromion, and spine of the scapula
Splenius (Origin)
Ligamentum nuchae and spinous processes of C7-T6
Latissimus Dorsi (Origin)
Lower 6 thoracic vertebrae, lumbar vertebrae, last 3-4 ribs, and Iliac Crest
Semispinalis (Insertion)
Occipital bone and spinous processes of cervical vertebrae and T1-T4
Levator Scapulae (Action)
Scapula elevation and adduction
Rectus Abdominus (Insertion)
Xiphoid process and costal cartilages of ribs 5-7
Mylohyoid (Origin)
Zygomatic Arch & Maxilla
Biceps Brachii (Insertion)
Radial Tuberosity
Erector Spinae (Insertion)
Ribs and transverse processes of vertebrae
Semitendinous (Action)
Thigh extension and knee flexion
Sartorious (Action)
Thigh flexion, abduction, and lateral rotation/knee flexion
Gluteus Medius (Origin)
Upper lateral surface of Ilium
Brachialis (Insertion)
Coronoid Process of Ulna
Splenius (Action)
Head extension, rotation
Triceps Brachii (Origin)
Inferior margin of Glenoid Cavity and distal Radial Groove on posterior humerus
Latissimus Dorsi (Insertion)
Intertubercular sulcus of humerus
Pectoralis Major (Insertion)
Intertubercular sulcus of humerus
Semitendinous (Origin)
Ischial thberosity
Biceps Femoris (Origin)
Ischial tuberosity, linea aspera, and distal femur
Splenius (Insertion)
Mastoid process, occipital bone, and transverse processes of C2-C4
Sartorius (Insertion)
Medial aspect of proximal Tibia
Semitendinous (Insertion)
Medial aspect of upper Tibial shaft
Levator Scapulae (Insertion)
Medial border of Scapula superior to spine
Gluteus Medius (Action)
Thigh abduction and medial rotation
Biceps Femoris (Action)
Thigh extension and knee flexion