Practical 3b Anterior medial muscles

Origins and insertions

Sternohyoid; depresses hyoid bone and larynx

O: Manubrium ; I: Hyoid bone

External abdominal oblique; Vertebral rotation

O: ribs 5-12; I: linea alba

Internal abdominal oblique; Flexes and rotates vertebra

O: Lumbar fascia; I: Linea alba

Rectus Abdominis; flexes vertebra

O: pubic symphysis; I: Costa cartilage 5-7

Gracilis; ADDUCTION of thighs

O: pubic body; I: medial surface of proximal tibia

Adductor Longus: ADDUCTION of thighs

O: Pubic body near crest; I: Linea aspera of femur

Sartorius; flexes and lateral rotates thighs

O: anterior iliac spine; I: Medial surface of proximal tibia

Vastus Medialis; Extends legs at knee

O: Intertrochanteric line; I: Patella and tibial tuberosity

Rectus Femoris; Extends legs at knee

O: Anterior inferior iliac spine; I: Patella and tibial tuberosity

vastus lateralis; extends leg at knee

O: greater Trochanter; I: Patella and tibial tuberosity

Tibialis anterior; dorsiflexion of foot

O: lateral tibial condyle; I: medial cuneiform

Biceps Brachii; Flexes elbow

O: Corocoid process (short), Supraglenoid (long); I: Radial Tuberosity

Pectoralis minor; Protracts scapula

O: Anterior ribs 3-5; I: Coracoid process

Pectoralis major; medial arm rotation

O: clavicle; I: Intertubercular sulcus

Palmaris Longus; flexes wrist

O: medial humerus epicondyle; I: palmar aponeurosis

Flexor carpi ulnaris; ADDUCTS wrist

O: medial humerus epicondyle; I: Pisiform

Flexor Carpi Radialis; ABDUCTS wrist

O: Medial epicondyle of humerus; I: base of metacarpal 1&2