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BYU O&I List - Dr. F
BYU O&I List for Dr. Feeland's Class
Muscle | Origin | Insertion | Action | Innervation |
---|---|---|---|---|
Teres Minor | Middle half of the lateral border of the scapula | Lowest of the facets on the greater tubercle | Externally rotate the shoulder | Axillary |
Triceps Brachii | 1: Infraglenoid tuberacle - long head; 2: Upper half of the posterior humerous - Later head; 3: Lower 1/4 of the posterior humerous - Medial head | Olecranon Process | Elbow extension and adduction | Radial |
Biceps Brachii | 1: Supraglenoid tuberacel - Long head; 2: Coracoid process - Short head | Radial Tuberosity | Flexes the elbow | Musculocutaneous |
Rhomboid Minor | Spinous process of C7-T1 | Medial border of the scapula at the level of the spine | Retracts and stabalizes scapula | Dorsal Scapular |
Deltoid | 1: Lateral portion of the clavicle; 2: Acromion process; 3: Spine of the scapula | Deltoid tuberosity | Ant - flexes & internally rotates; middle portion - abducts the arm; posterior portion - extends & externally rotates | Axillary |
Rhomboid Major | Spinous process of T2-T5 | Medial border of the scapula below the level of the spine | Retracts and stabilizes the scapula | Dorsal Scapular |
Brachialis | Lower half of the anterior humerous | Ulnar tuberosity | Flexes the elbow | Musculocutaneous |
Subclavius | 1st Rib | Inferior surface of the cavicle | Assists to stabilize the scapula | Nerve to subclavius |
Serratus Anterior | Anterolateral aspect of the first 8-9 ribs | Costal aspect of the medial border of the scapula | Protracts and upwardly rotate | Long Thoracic |
Supraspinatus | Supraspinus fossa | 1st facet of the greater tuberacle | Abducts the arm | Suprascapular |
Pectoralis Minor | Outer surface of ribs 3-5 | Caracoid Process | Depresses the Scapula | Medial Pectoral |
Infraspinatus | Infraspinus Fossa | 2nd facet of the greater tubercle | Externally rotate the shoulder | Suprascapular |
Trapezius | 1: External occipital protuberance; 2: Ligementum Nuchae; 3: Spinous process of C1-T1 | 1: Posteriorlateral portion of the clavicle; 2: Medial Surface of the acromion; 3: Superior spine of the scapula | Upper - Elevates scapula; Upper/lower - Upwardly rotate the scapula; Middle - Downwardly rotates the scapula | Spinal Accesory |
Lavator Scapulae | Transverse process of upper 3-4 cervicle vertabrae | Superior angle of the scapula | Elevate the scapula | Dorsal Scapular |
Brachioradialis | Lateral supracondylar ridge of the humerus | Styloid process of the radius | Flexes the elbow; pronates the forearm | Radial |
Subscapularis | Subscapular fossa | Lesser tubercle of the humerous | Internally rotate the arem | Upper and Lower Subscapular |
Coracobrahialis | Coracoid process | Medial shaft of the humerous at about its middle | Flexes the shoulder | Musculocutaneous |
Teres Major | Lower 1/3 of the scapula's lateral border | Medial lip of the bicipital groove | Internally rotates the arm; extends the arm | Lower Subscapular |
Anconeus | Lateral epicondyle of the humerous | Lateral surface of the olecranon process | Elbow extension | Radial |
Pectoralis Major | Medial portion of the clavicle and sternum at costal cartlidge | Lateral lip of the bicipital groove | Horizontal adduction | Medial & Lateral Pectoral |
Latissimus Dorsi | 1: Spinous process of T7-L5; 2: Iliac crest; 3: Inferior angle of the scapula | Bicipital groove | Extends the shoulder | Thoracodorsal |
Semitendinosus | Ischial tuberosity | anteromedial aspect of the tibial shaft | Extends hip; flexes knee | Tibial |
Semimembranosus | Ischial tuberosity | Pes Anserine | Extends hip; flexes knee | Tibial |
Biceps femoris | 1 - Long Head: ischial tuberosity; 2 - Short Head: Lateral lip of the linea aspera | Head of the fibula | Flexes the knee | Tibial/Common Peroneal |
Sartorius | ASIS | Pes Anserine | Flexes hip; flexes knee | Femoral |
Rectus femoris | Ant Head - AIIS; Post Head - just above the acetabulum | Tibial Tuberosity | Extends knee | Femoral |
Vastus lateralis | Greater trachanter and lateral lip of linea aspera | Tibial Tuberosity | Extends knee | Femoral |
Vastus medialis | Intertrochanteric line of femur and medial aspect of linea aspera | Tibial Tuberosity | Extends knee | Femoral |
Vastus intermedius | antewrior lateral aspect of the femoral shaft | Tibial Tuberosity | Extends knee | Femoral |
Adductor magnus | 1 - inferior pubic ramus, 2 - ischial tuberosity, 3 - ischial ramus | Proximal 1/3 of linea aspera & adductor tubercle | Adducts thigh | Obturator |
Adductor longus | anterior surface of pubis, just inferior to the pubic ramus | Medial lip of linea aspera on middle half of femus | adducts thigh, flexes hip | Obturator |
Adductor brevis | body & inferior pubic ramus | Superior portion of linea aspera | Adducts thigh, flexes hip | Obturator |
Gracilis | Inferior pubic ramus | Pes Anserine | Adducts thigh, flexes knee | Obturator |
Pectineus | Pectineal line of pubis | Pectineal line of Femus | Flexes hip, adducts thigh, medially rotates thigh | Obturator |