Intermediate

Straight-Leg Bound

Also called the straight-leg dribble, this drill keeps the knees nearly locked while the athlete claws the ground with quick, downward strokes of the whole leg. It isolates the hip-extension paw-back that drives top-end speed and builds tendon stiffness in the posterior chain. Because it loads the hamstrings hard, introduce it in low doses and only after a thorough warm-up.

Equipment
Body Weight
Body part
Glutes, Hamstring
Type
Cardio, Plyometric
Browse by movement
Gait Drill
Muscles worked
Target
Gluteus Maximus, Biceps Femoris, Semitendinosus
Secondary
Gastrocnemius Lateral Head, Gastrocnemius Medial Head, Rectus Femoris
Tertiary
Soleus Gastrocnemius, Tibialis Anterior, Erector Spinae, Abdominal External Oblique

How to do it

  1. 1

    Begin jogging tall with legs kept long and knees only slightly bent.

  2. 2

    Reach one foot forward with a straight leg while staying stacked over your hips.

  3. 3

    Actively strike the ground with the ball of the foot and claw it back under your body.

  4. 4

    Snap the opposite leg forward as the first foot pulls through, keeping both knees straight.

  5. 5

    Stay bouncy and rhythmic, letting the ankles and hips supply the drive.

  6. 6

    Cover a short distance, then walk back and repeat while form stays crisp.

Tips

  • Keep the ankles stiff and dorsiflexed so each contact is a quick pop, not a mushy landing.
  • Drive the foot down and back, not out in front, to avoid braking and protect the hamstring.
  • Stay tall through the trunk; folding at the hips kills the pawing rhythm.
  • Stop the set the moment turnover slows or the hamstrings fatigue.

Variations

Common mistakes

  • Only one side gets watched: most people claw hard with the dominant leg and let the other swing through, and on a drill this demanding it is the weaker leg that needed the contacts.
  • Twenty meters of this feels easy, so the session grows to four sets of fifty; the hamstrings take a hard pull on every contact, and that bill arrives two days later.
  • The leg gets lifted from the front by the hip flexors and then dropped, so the hamstring misses the backward pull that makes the drill worth its risk.
  • Arms stay pinned at the sides while the legs do all the work, and the rhythm collapses into a shuffle; run the arms as you would in a sprint.
  • The set starts from a standstill, so the first two contacts are hops on straight legs with nothing elastic behind them; roll into it out of a tall jog.

Frequently asked

How much of the straight-leg bound should you do when you are new to the exercise?
Three or four runs of 15 to 20 meters, with a full walk back and a minute or two between runs, once a week at most while the hamstrings get used to it. Counting contacts beats counting meters: 30 to 40 crisp contacts is a full session. End a run the moment the turnover slows or the knees start bending to help, and if you are sore two days later, keep the next session the same size rather than bigger.
How do I make the straight-leg bound easier or harder?
Easier: do it on the spot first so the only thing you practice is the downward claw, keep the amplitude small, or run it up a gentle hill, which shortens each contact and softens the pull on the hamstring. Ankling and the A-march are the drills to own first. Harder: cover more ground per contact, quicken the turnover, or roll out of the last few contacts into a short sprint. Downhill is not the harder version, it is the one that gets people hurt.
What is the straight-leg bound for, and who should skip it?
It isolates the hip-extension claw that drives top-end speed and builds stiffness through the posterior chain, which makes it a top-speed drill for sprinters and field-sport athletes. Skip it if you have a recent hamstring strain or no history of fast running, since it loads the hamstring hard with the knee nearly straight, and that is the position where hamstrings get hurt. It is also the wrong choice at the end of a hard session, when the quality it trains is already gone.

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