Scapula Spine Lateral edge of clavicle. Medial border Scapula. Medial border of Scapula, between superior angle and root of spine. Scapula.

Transcription

1 Muscle attachments and actions answer sheet Muscle Origins insertions Movements Joints crossed Trapezius Base of skull Spinous process of C7 Thoracic Spine Lateral edge of clavicle Elevation Retraction Depression Rotation of Rhomboids C7 T1 T5 Medial border scapula Retracts scapula Downwardly rotates Levator scapulae Serratus anterior Pectoralis minor Deltoid Pectoralis major Latissimus dorsi Teres major Supraspinatus processes of C1 C4 Front of ribs 1 8 Front of ribs 3-5 Clavicle anterior Spine of acromium medial Sternum Clavicle Ribs 1-5 fascia (TLF) from spinous process of T6 T12 Sacral Vertebrae Lower ribs inferior edge of Lateral border of Superior to spine of scapula Medial border of, between superior angle and root of spine Anterior medial Coracoid process of lateral surface halfway down Lateral Top top anterior proximal anterior Head of humerus Superiorly Elevation Protraction and Retraction of Protracts Downwardly rotates Elevates rib cage Horizontal Extension, Horizonatal Abduction Horizontal Adduction, Medial Rotation of arm Adducts and extends arm Assists medial of arm Depresses girdle Medial Adduction and extension of joint medially

2 Infraspinatus Inferior to spine Stabilises Lateral of humerus Teres minor Subscapularis lateral border near inferior angle Anterior surface of on anterior on Stabilises Stabilise Flexion of elbow Biceps brachii Radius and Supinates Long biciptal forearm supraglenoid tubercle aponurosis to medial Assists Short - coracoid forearm Brachialis Ulna Flexes elbow Brachioradialis distal end Triceps brachii Long infraglenoid tubercle lateral border medial (deep) - upper Lateral upper humerus Iliacus Inside surface of ilium Radius distal end Ulna olecranon femur Flexion when forearm is semi supine Assists Extension of elbow Assists in extension long Flexes hip Hip Psoas major process of T12 femur Flexes hip Pulls trunk up sit ups Hip and Lumbar region Sartorius anterior and lateral Tibia medial Tensor fascia latae Crest of ileum Into Iliotibial (IT) band Flexion and lateral hip Knee Flexes, medially rotates and abducts hip Gluteus maximus Base of spine IT Band and Extends and

3 Gluteus medius Gluteus minimus Piriformis Adductor group (Adductor longus, magnus and brevis) sacrum and coccyx Back of ileum ileum ileum Anterior surface of Sacrum Pubis on top on top femur - greater trochanter medial and posterior rotates hip assists medial Posterior fibres rotates hip when hip is Stabilises hip in walking/running assists medial Posterior fibres rotates hip when hip is Stabilises hip in walking/running assists in lateral, and can assist in medial when hip is Adduction Pectineus Pubis Adducts and flexes hip Assists in medial Gracilis Pubis Tibia Adducts the hip Assists in knee Hamstrings Biceps femoris Ischium Short posterior femur Head of Fibula Knee Semimembranosus Ischium Tibia medial Knee Semitendinosus Ischium Tibia Medial Knee

4 Rectus Femoris Iliac Spine Acetabulum Patella tendon Vastus Lateralis Patella tendon Vastus Medialis Patella tendon Vastus Intermedius Patella tendon Gastrocnemius Condyles of Calcaneus via Achilles tendon Soleus Tibialis anterior Vertebral Column Muscles Deep Tibia, Fibula and interosseous membrane Lateral condyle of Tibia, upper half of interosseus memberane Calcaneus via Achilles tendon Underside of cuneiform bone, 1 st metatarsal Plantar Assists knee Plantar Dorsi Inversion of Sub Talar joint abdominis (anterior support) Multifidus (posterior support) Quadratus Lumborum Internal Obliques (lateral support) Pelvic Floor Muscles (inferior support) Cartilage of lower 6 ribs Sacrum processes of Iliac Crest Iliolumbar fascia lumbar Front and base of Pubic bone Linea alba Spinous processes 2 4 superior to origin Upper 4 Lumbar 12 th rib Linea alba Bottom 3 ribs Spine at back of pelvis Compression of abdominal cavity Increase of intraabdominal pressure Extension of (bi) Assists in (uni) Assists in lateral Lateral (uni) Prevents lateral Prevents hyper of lumbar spine (bi) Rotation and Flexion (bi) Stability of pelvic girdle Support of internal organs Counteracts Intervertebral joints Lumbar Intervertebral joints of vertebral column Lumbar lower thoracic Lower hip pelvic region

5 Diaphragm (superior support) Vertebral column muscles Global - superficial Rectus Abdominis External Obliques Erector Spinae Iliocastalis Longissimus Spinalis Pubis and Pubis symphisis bottom 8 ribs Ribs and Iliac crest Base of sternum Cartilages of ribs 5-7 Linea abla processes of cervical Ribs superior to origin changes in abdominal pressure Flexion Tilts pelvis backwards Rotation and Flexion (bi) Extends spine thoracic Thoracic All fascia video -