Standing leg curls

Standing Leg Curls Hamstrings

Peroneus longus

THE MOVEMENT

CD Begin

SHORT HEAD OF THE BICEPS FEMORIS

Of all the flexor muscles, only the short head of the biceps femorls works across just one joint: It bends the knee.

Femur

Head of fibula

Greater trochanter

Biceps femoris, short head coxa Head of femur

Pubic tubercle

Biceps femoris, long head

Hamstrings

Contracting the hamstrings and the lateral and medial heads of the gastrocnemius flexes the knee joint.

THE MOVEMENT

SHORT HEAD OF THE BICEPS FEMORIS

Of all the flexor muscles, only the short head of the biceps femorls works across just one joint: It bends the knee.

Iliac crest Gluteus medius Sacrum

Greater trochanter Gluteus maximus Tensor fascia lata Adductor magnus Gracilis

Fascia lata, iliotiblal band

Semitendinosus

Biceps femoris, long head

Semimembranosus

Biceps femoris, short head

Plantaris

Gastrocnemius, medial head Gastrocnemius, lateral head

Head of fibula Soleus

Hamstrings

Contracting the hamstrings and the lateral and medial heads of the gastrocnemius flexes the knee joint.

Hamstrings

Greater trochanter

Biceps femoris, short head

Peroneus longus

Stand with the torso resting against the pad, thigh positioned against the knee pad, the knee straight, and the back of the ankle resting against the ankle roll:

• Exhale at the end of the movement.

This exercise uses the hamstring group (semitendinosus and semimembranosus and the long and short heads of the biceps femoris) and, to a lesser extent, the gastrocnemius. To engage the gastrocnemius more, simply bend at the ankle when bending at the knee. To decrease its participation, which is often the goal, simply point the toes.

coxa Head of femur

Pubic tubercle

Femur

Biceps femoris, long head

Head of fibula

CD Begin dorsi External oblique Erector spinae, under the aponeurosis

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