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MOV 300
Lower Body: Muscles, Origins, Insertions, Actions
Term | Definition |
---|---|
Adductor Brevis | O: Inferior Pubic Ramus I: Proximal Linea Aspera A: Adduction Hip |
Adductor Longus | O: Anterior Pubic Crest I: Middle 1/3 of Linea Aspera A: Adduction Hip |
Adductor Magnus | O: Inferior Pubic Ramus, Ischial Tuberosity I: Adductor Tubercle and Linea Aspera A: Extension, Adduction Hip |
Biceps Femoris | O: Ischial Tuberosity (Long); Lower 1/2 of Linea Aspera (Short) I: Head of Fibula, Lateral Condyle of Tibia A: Extension of Hip, Flexion and External Rotation of Knee, Posterior Tilt Hip & Knee |
Gluteus Maximus | O: Posterior Ilium, Sacrum, Lumbar Fascia I: Gluteal Tuberosity of Greater Trochanter and Iliotibial Band A: Extension and External Rotation Hip |
Glute Medius | O: Superior Lateral Ilium I: Greater Trochanter A: Abduction, Ipsilateral Tilt, Anterior: Internal; Posterior: External Hip |
Glute Minimus | O: Inferior Lateral Ilium I: Greater Trochanter A: Abduction, Internal Rotation Hip |
Gracilis | O: Inferior Pubic Ramus I: Lesser Trochanter and Pectineal Line A: Flexion, Adduction Hip |
Iliopsoas | O: Transverse L1-L4, and Iliac Fossa I: Lesser Trochanter A: Flexion of Hip and Lumbar Spine, Anterior Tilt Hip |
Pectineus | O: Superior Pubic Ramus I: Lesser Trochanter and Pectineal Line A: Flexion and Adduction |
Rectus Femoris | O: Anterior Inferior Iliac Spine (AIIS) I: Tibial Tuberosity A: Flexion of Hip, Extension of Knee, Anterior Tilt Hip and Knee |
Sartorius | O: Anterior Superior Iliac Spine (ASIS) I: Anteromedial Proximal Tibia A: Extension of Hip, Flexion and Internal Rotation of Knee, Posterior Tilt Hip and Knee |
Semimembranosus | O: Ischial Tuberosity I: Posteromedial Medial Tibial Condyle A: Extension of Hip, Flexion and Internal Rotation of Knee, Posterior Tilt Hip and Knee |
Semitendinosus | O: Ischial Tuberosity I: Anteromedial Proximal Tibia A: Extension of Hip, Flexion and Internal Rotation of Knee, Posterior Tilt Hip and Knee |
Tensor Fascia Latae | O: Anterior Iliac Crest I: Anterolateral Tibial Condyle A: Flexion, Abduction, Internal Rotation, and Ipsilateral Lateral Tilt |
Deep Lateral Rotators | External Rotation Hip |
Popliteus | O: Posterior, Lateral Condyle of Femur I: Proximal, Posteromedial Tibia A: Flexion, Internal Rotation Knee |
Vastus Intermedius | O: Upper 2/3 Anterior Femur I: Tibial Tuberosity A: Extension Knee |
Vastus Lateralis | O: Intertrochanter Line, Linea Aspera I: Tibial Tuberosity A: Extension Knee |
Vastus Medialis | O: Linea Aspera I: Tibial Tuberosity A: Extension Knee |
Extensor Digitorum Longus | O: Upper 2/3 Anterior Fibula I: Distal Phalanx 2-5 (Dorsal) A: Dorsiflexion, Eversion, Extension Ankle and Foot |
Extensor Hallucis Longus | O: Middle 2/3 Anterior Fibula I: Distal Phalanx of Great Toe (Dorsal) A: Dorsiflexion, Extension Ankle and Foot |
Flexor Digitorum Longus | O: Middle 1/3 Posterior Tibia I: Distal Phalanx 2-5 (Plantar) A: Plantarflexion, Inversion, Flexion Ankle and Foot |
Flexor Hallucis Longus | O: Middle 2/3 Posterior Fibula I: Distal Phalanx of Great Toe (Plantar) A: Plantarflexion, Inversion, Flexion Ankle and Foot |
Gastrocnemius | O: Posterior Medial and Lateral Femoral Condyle I: Calcaneus A: Flexion of Knee and Plantarflexion Knee and Ankle |
Peroneus Brevis | O: Middle 2/3 Lateral Fibula I: Base of 5th Metatarsal A: Plantarflexion and Eversion Ankle |
Peroneus Longus | O: Head and Upper 2/3 Lateral Fibula I: Base of 1st Metatarsal, Medial Cuneiform A: Plantarflexion and Eversion Ankle |
Peroneus Tertius | O: Distal 1/3 Anterior Fibula I: Base of 5th Metatarsal (Dorsal) A: Dorsiflexion and Eversion Ankle |
Soleus | O: Posterior Proximal Tibia and Fibula I: Calcaneus A: Plantarflexion Ankle |
Tibialis Anterior | O: Upper 2/3 Lateral Tibia I: Base of 1st Metatarsal, Medial Cuneiform A: Dorsiflexion and Inversion Ankle |
Tibialis Posterior | O: Posterior Proximal Tibia and Fibula I: Navicular, Cuboid, Cuneiform, Base of Metatarsals 2-4 A: Plantarflexion and Inversion Ankle |
Erector Spinae | O: Medial Iliac Crest, Spinous and Transverse Processes, Sacrum I: Posterior Ribs, Transverse Processes, Mastoid Process Bi: Extension of Cervical/Lumbar Spine and Anterior Tilt Uni: Ipsilateral Lateral Flexion and Rotation of Cervical/Lumbar Spine |
External Oblique | O: Lower 8 Ribs I: Inguinal Ligament, Iliac Crest, Fascia of Rectus Abdominis Bi: Flexion of Lumbar, Posterior Tilt Uni: Ipsilateral Lateral Flexion, Contralateral Rotation of Lumbar, Contralateral Lateral Tilt Trunk |
Internal Oblique | O: Inguinal Ligament, Iliac Crest, Lumbar Fascia I: Costal Cartilage of Ribs 8-10, Linea Alba Bi: Flexion of Lumbar Spine, Posterior Tilt Uni: Ipsilateral Lateral Flexion and Rotation of Lumbar, Contralateral Lateral Tilt Spine |
Quadratus Lumborum | O: Posterior Iliac Crest I: 12th Rib and Transverse Processes of L1-L4 Bi: Extension of Lumbar, Anterior Tilt Uni: Ipsilateral Lateral Flexion of Lumbar, Contralateral Lateral Tilt Spine |
Rectus Abdominis | O: Pubic Crest I: Xiphoid Process, Costal Cartilage of Ribs 5-7 Flexion of Lumbar, Posterior Tilt Spine |
Splenius Capitis | O: Spinous Processes C7-T4 I: Transverse Processes of C1-C3 Bi: Extension of Cervical Uni: Ipsilateral Lateral Flexion and Rotation of Cervical Spine |
Splenius Cervicis | O: Spinous Process of T3-T6 I: Transverse Processes of C1-C3 Bi: Extension of Cervical Uni: Ipsilateral Lateral Flexion and Rotation of Cervical Spine Spine |
Sternocleidomastoid | O: Manubrium of Sternum and Medial Clavicle I: Mastoid Process Bi: Flexion of Cervical Uni: Ipsilateral Lateral Flexion and Contralateral Rotation of Cervical Spine |
Transverse Abdominis | O: Inguinal Ligament, Iliac Crest, and Lumbar Fascia I: Pubic Crest, Linea Alba A: Forced Expiration Trunk |