Term | Definition |
Biceps Femoris short head (2) | O- Linea aspera
I-head of fibula
A-Flexes a knee
Antagonists: Rectus femoris, illiopsas, tensor fasciae latae |
Sternoclediomastoid | O-clavical and sternum
I-mastoid Process
A-rotates head and flexes neck
Antagonist: trapezium |
Rectus Femoris (2) | O-anterior, inferior illiac spine
I-tibial tuberosity
A-EXTENDS knee, FLEXES hip
Antagonists: biceps femoris, semimembranous, semitendiosus, gluteous maximus |
Soleus | O-Posterior surface of proximal end of tibia and fibula.
I-calcaneus
A-plantar flexes foot
Antagonists: tibialis anterior |
Pectoralis major | O-clavical, sternum, cartilage of lower ribs
I-below the greater tubercule of humerus
A-flexes, adducts and medially rotates humerus
Antagonists: Deltoid, triceps brachii, lattisimus dorsi |
Trapezius | O-occipital bone, thoracic vertebrae
I-clavical, acromion process and spine of scapula
A-elevates and depresses, adducts, rotates (scapula) & elevates clavicle, extend neck.
Antagonists: trapezius, levator scapulae, pectoralis minor, sternoclediomast. |
Latissimus dorsi | O-spinous process of thoracic/ lumbar vertebrae, illiac crest
I-intertubicular groove below lesser tubercle of humerus
A-extends, adducts and medially rotates arm
Antagonists: Deltoid, pectoralis major, coracobrachialis, biceps brachii |
Sartorius (2) | O-anterior superior illiac spine
I-medial surface @ tibial tuberosity
A-lateral rotation of femur, flexes knee and hip.
Antagonist: Vastus (L,m,I), rectus femoris |
Coracobrachialis | O-coracoid process
I-medial aspect of humerus
A-adducts arm and flexes shoulder
Antagonist: deltoid, triceps brachii, latissimus dorsi |
Vastus (lateralis, medialis, intermedius) | O-linea aspera
I-tibial tuberosity
A-extends knee
Antagonists: biceps femoris, semi-T, semi-M, sartorius, gastrocnemius plantaris |
Pectoralis Minor | O- anterior aspect of upper ribs
I-coracoid process of scapula
A-depresses/protracts shoulders and rotates scapuls
Antagonists: trapezius, levator scapulae |
Gastrocnemius (M&L) (2) | O-near medial epicondyles of femur
I- calcaneus
A-plantar flexes foot, flexes knee
Antagonists: tibialis anterior, vastuses, rectus femoris |
Triceps Brachii (long head) (2) | O-lower lip of the glenoid cavity
I-olecranon process
A- extends elbow, extends shoulder
Antagonists: biceps brachii, coracobrachialis, |
Triceps Brachii (lateral head) | O-lateral surface of the humerus
I-olecranon process
A-extends elbow, extends shoulder
Antagonists: biceps brachii, coracobrachialis |
Triceps Brachii (medial head) | O-medial surface of the humerus
I-olecranon process
A-extends elbow, extends shoulder
Antagonists: biceps brachii, coracobrachialis |
Gluteus Maximus | O-illac crest, sacrum
I-iliotibial tract, gluteal tuberosity
A-extends and laterally rotates femur
Antagonists: rectus femoris, iliopsas, tensor fasciae latae |
Temporalis | O-frontal, temporal, parietal bones
I-coronoid process of mandible
A-elevates and retracts mandible
Antagonists: masseter |
Biceps Femoris (long head) (2) | O-ischial tuberosity
I-head of fibula
A-EXTENDS hip, FLEXES knee
Antagonists: rectus femoris, iliopsas, tensor fasciae latae |
Masseter | O-Zygomatic arch
I-lateral surface of mandibular ramus/angle
A-elevates and protracts mandible
Antagonist: temporalis |
Deltoid | O- clavicle, acromion process, spine of scapula
I-deltoid tuberosity of humerus
A-extends, flex, abducts arm
Antagonists: pectoralis major, triceps brachii, biceps brachii |
Semimembranosus and semitendinsus (2) | O-ischial tuberosity
I-medial surface @ proximal end of tibia
A-EXTENDS HIP, FLEXES KNEE
Antagonists: Rectus femoris, vastuses |
Adductors (magnus, longus, brevis) | O-extends from ischial tuberosity forward to pubis
I-linea aspera
A-adducts also medially and laterally rotates rotates femur
Antagonists: tensor fasciae latae |
Tensor Fasciae Latae | O-illiac crest, anterior superior iliac spine
I-iliotibial tract
A-FLEXES hip, abducts and medially rotates femur
Antagonists: biceps femoris, semi-T, semi-M, gluteus maximus |