Major Muscles in Sports Therapy Anatomy

Triceps Brachii

Muscle located at the back of the upper arm.

Teres Major

Muscle that aids in shoulder movement and stabilization.

Gastrocnemius

Calf muscle responsible for plantarflexion of the foot.

Soleus

Muscle beneath gastrocnemius, also aids in plantarflexion.

Iliopsoas

Hip flexor muscle group, includes psoas major and iliacus.

Tensor Fascia Latae

Muscle that stabilizes the hip and knee during movement.

Sternocleidomastoid

Neck muscle that rotates and flexes the head.

Pectoralis Major

Chest muscle involved in arm flexion and adduction.

Forearm Extensor Group

Muscles that extend the wrist and fingers.

Vastus Medialis

Part of the quadriceps, stabilizes the knee joint.

Vastus Lateralis

Another quadriceps muscle, aids in knee extension.

External Obliques

Muscles on the side of the abdomen, assist in rotation.

Internal Obliques

Muscles beneath external obliques, also aid in rotation.

Sartorius

Longest muscle in the body, flexes the hip and knee.

Forearm Flexor Group

Muscles that flex the wrist and fingers.

Semimembranosus

Hamstring muscle that aids in knee flexion.

Semitendinosus

Another hamstring muscle, assists in knee flexion.

Deltoid

Shoulder muscle responsible for arm abduction.

Tibialis Anterior

Muscle that dorsiflexes the foot and supports the arch.

Rectus Abdominus

Abdominal muscle that flexes the spine.

Gluteus Maximus

Largest muscle in the buttocks, aids in hip extension.

Trapezius

Upper back muscle that moves and stabilizes the shoulder.

Biceps Brachii

Muscle on the front of the upper arm, flexes the elbow.

Rectus Femoris

Part of the quadriceps, extends the knee and flexes hip.

Erector Spinae

Muscle group that extends and stabilizes the spine.

Biceps Femoris

Hamstring muscle that flexes the knee and extends hip.

Quadratus Lumborum

Muscle that stabilizes the pelvis and lumbar spine.

Rhomboids

Muscles that retract the scapulae towards the spine.

Latissimus Dorsi

Large back muscle involved in shoulder adduction.